EP1603433A1

EP1603433A1 - Modular system for the assembly of power-adjusted supporting devices for the upholstery of seating and/or reclining furniture

Info

Publication number: EP1603433A1
Application number: EP04739361A
Authority: EP
Inventors: Eckhart Dewert; Johannes Schneider
Original assignee: Cimosys AG
Current assignee: Cimosys AG
Priority date: 2003-06-05
Filing date: 2004-05-26
Publication date: 2005-12-14
Also published as: WO2004107924A1; US7386901B2; JP2006526441A; US20060130236A1

Abstract

The invention relates to a modular system for the assembly of power-adjusted supporting devices for the upholstery of seating and/or reclining furniture, especially for mattresses of beds, whereby the respective supporting device, in the assembled state, comprises at least two support elements, adjustable relative to each other, for supporting the upholstery. The inventive system is characterized by at least one first longitudinal brace subassembly (4) and at least one second longitudinal brace assembly (6) which can be detachably interlinked at a lateral distance to each other by fasteners, thereby forming a base of the supporting device, and can be non-destructively disassembled. The inventive modular system allows for the simple and inexpensive assembly of especially slatted frames.

Description

Modular system for mounting motor-adjustable support devices for upholstering seats and / or

reclining furniture

The invention relates to a modular system for mounting motor-adjustable support devices for upholstering seating and / or reclining furniture.

Support devices for upholstery of seating and / or reclining furniture are, for example, in the form of

Slatted frames generally known. The known slatted frames have a base body which has a plurality of supporting parts which can be adjusted relative to one another and on which, for example, a mattress of a bed is supported when the slatted frame is used. The supporting parts can be pivoted relative to one another about horizontal pivot axes which are essentially parallel to one another. For example, the slatted frame can have a fixed central support part, with one end of which an upper body support part is connected in an articulated manner and pivotable about a horizontal pivot axis, a leg support part being connected to the end of the middle support part facing away from the upper body support part and being pivotable about a horizontal pivot axis can, so that this known slatted frame has three successive support parts in the longitudinal direction of the slatted frame.

Slatted frames with five or more supporting parts are also known, usually with the middle End of the upper body support part facing away from the lower support part is connected in an articulated manner and pivotable about a horizontal pivot axis, while a head support part is connected to the end of the leg support part facing away from the central support part in an articulated manner and around a horizontal axis

A calf support part is pivotally connected to the pivot axis.

In the known slatted frames, the hingedly connected supporting parts are formed in that longitudinal bars of the slatted frame have a plurality of sections which follow one another in the longitudinal direction, two sections successively in the longitudinal direction being connected to one another in an articulated manner and corresponding sections of the two longitudinal bars being connected to one another and possibly together with at least one cross member connecting these sections form a support part. The supporting parts carry suspension elements on their upper side, for example resilient slats. In the known support devices, the corresponding sections of the longitudinal spars are generally firmly connected to one another in that these sections are, for example, glued to a transverse spar. In this way, a non-destructive disassembly of the known slatted frames is not possible. There are also slatted frames in which the

Cross bars are connected to the longitudinal bars via screw connections. Even with these known slatted frames, non-destructive dismantling is not provided.

In order to adjust the known slatted frames by motor, drives in the form of so-called double drives are known, in which two drive units are accommodated in a common housing. Such a double drive is known for example from EP 0 372 032 B2. From DE 38 42 078 C2 a motor-adjustable support device in the form of a slatted frame is known, in which a double drive is provided for the electromotive adjustment, which is arranged below a stationary central support part. To adjust an upper body support part which is adjustable relative to the central support part, a bracket is provided which is connected in a rotationally fixed manner to a shaft pivotably mounted on a substructure of the slatted frame and on which the upper body support part lies loosely. In a corresponding manner, a link arrangement is provided for pivoting a leg support part and a calf support part connected to it, which is connected in a rotationally fixed manner to a further shaft mounted on the substructure of the slatted frame. The shafts are swiveled by means of the drive units of the double drive. In the known slatted frame, the double drive can be removed from the slatted frame itself. DE 199 62 541 C3 discloses a motor-adjustable support device in the form of a slatted frame in which at least one of the longitudinal spars of one of the support parts is designed as a hollow profile, an electromotive drive for adjusting the support parts being accommodated in the hollow profile relative to one another. In the known slatted frame, the longitudinal bars are firmly connected to one another via cross bars. In addition, the width of the known slatted base is due to the fittings used, via which the electric motor drive to be adjusted

The supporting parts act, are fixed and cannot be changed.

A similar support device is also known from DE 100 46 751 AI. The invention has for its object to simplify the manufacture of motor-adjustable support devices and thus to make them more cost-effective. This object is achieved by the teaching specified in claim 1.

The basic idea of the teaching according to the invention is to produce motor-adjustable support devices for upholstery of seating and / or reclining furniture, in particular slatted frames, by means of a modular system, the components of which can be used for mounting different support devices. Essential elements of the modular system according to the invention are a first longitudinal spar assembly and at least a second longitudinal spar assembly and connecting means which serve to releasably connect the first longitudinal spar assembly and the second longitudinal spar assembly to one another at a lateral distance from one another, such that support devices differ in particular when using the same longitudinal spar assemblies - Rather width can be mounted by using different lateral distances between the longitudinal beam assemblies defining connecting means. According to the invention, support devices of different widths can therefore be mounted in particular using the same longitudinal beam assemblies by using connecting means of different widths. In this way, the assembly of motor-adjustable support devices is considerably simplified and rationalized, and is therefore more cost-effective. Due to the releasable connection of the longitudinal spar assemblies to one another by the connecting means, it is possible according to the invention to transport the support device, for example a slatted frame, into its individual parts. This way compared to the transport of the support device as a whole, which is required in conventional support devices, a substantial space saving. Due to the detachable connection of the components of the support device to one another, the support device can also be assembled, for example, by an end customer.

Because of the modular system according to the invention, the storage in the manufacture of motor-adjustable support devices is considerably simplified. An extremely advantageous development of the teaching according to the invention provides that at least one of the longitudinal spar assemblies is designed as a housing for receiving at least parts of a drive device and / or an output device. In this embodiment, for example, a drive device, which in the assembled state of the support device serves to adjust the support parts of the support device relative to one another, can be at least partially integrated into one of the longitudinal beam assemblies. In this way there is no need for a separate housing

Inclusion of the drive device or an output device, so that the number of components required for mounting the motor-adjustable support device is reduced. This simplifies assembly. A further development of the aforementioned embodiment provides that at least one of the longitudinal spar assemblies is designed as a preferably closed or one-sided open hollow profile. Hollow profiles of this type, for example made of plastic, are particularly cost-effective.

The drive device expediently has at least one drive motor, in particular an electric motor.

A further development of the embodiment with the as The longitudinal spar assembly designed in the housing provides that the drive device including at least one electric motor is accommodated in the housing. In this embodiment, the drive device is completely accommodated in the longitudinal spar assembly. It therefore no longer appears optically and is also protected against dirt and damage.

Another development of the teaching according to the invention provides that the drive motor or at least one facing away from the output shaft of the drive motor

End of the drive motor is arranged outside the housing, that a recess is formed in a side wall of the first longitudinal beam assembly opposite the second longitudinal beam assembly and that the drive motor is in drive connection through the recess with parts of the drive device arranged inside the first longitudinal beam assembly. In this embodiment, the drive motor is arranged outside the longitudinal spar assembly. In this way, the spatial freedom in the choice of the gear arrangement is expanded compared to an embodiment in which all components of the drive device are accommodated in the hollow longitudinal spar. In particular, on the basis of the teaching according to the invention, particularly simple and therefore inexpensive gear arrangements can be used, so that the support device according to the invention is particularly simple and therefore inexpensive to manufacture.

An advantageous development of the aforementioned embodiment provides that the

Output shaft of the drive motor or an end of the drive motor which carries the output shaft of the drive motor or a first transmission which is in rotary drive connection with the output shaft of the drive motor element protrudes into the interior of the first longitudinal beam assembly, the first gear element being in engagement with a second gear element arranged inside the first longitudinal beam assembly when the support device is in the installed state. In this embodiment, a particularly simple and inexpensive construction results in particular if the transmission consists exclusively of two transmission elements.

Another advantageous development of the teaching according to the invention provides that the drive motor is arranged essentially completely outside the first longitudinal spar assembly. In this embodiment, for example, only the output shaft of the drive motor or the first gear element connected to the output shaft in rotary drive connection can protrude into the interior of the first longitudinal beam assembly.

An advantageous development of the aforementioned embodiment provides that the first gear element is a worm of a worm gear, the

Worm gear is arranged inside the first longitudinal spar assembly and forms the second gear element. Such worm gears are available as simple and inexpensive standard assemblies. They enable a particularly high reduction and are particularly robust.

In principle, in the aforementioned embodiment, additional gear elements can be arranged between the output shaft of the drive motor and the worm, via which the worm is connected to the output shaft in a rotary drive connection. In order to further simplify the construction and thus to make it more cost-effective, it is advantageous that the worm is non-rotatably connected to the output shaft of the drive motor, in particular is integrally formed on the output shaft of the drive motor.

In principle, it is possible for the drive motor to project upwards or downwards in the side view above the associated longitudinal beam assembly. In order to achieve a particularly low overall height, it is advantageous that the drive motor in the side view lies essentially within the profile height of the associated longitudinal beam assembly, in such a way that the drive motor is arranged in the vertical direction essentially without protrusion on or in the first longitudinal beam assembly. This embodiment results in a particularly low overall height, which is determined by the profile height of the longitudinal spar assemblies. In principle, the drive motor can be arranged on a side of the associated longitudinal beam assembly facing away from the other longitudinal beam assembly. An advantageous further development provides, however, that the drive motor is arranged on a side of the associated longitudinal beam assembly facing the other longitudinal beam assembly, such that the drive motor is arranged between the longitudinal beam assemblies. In this embodiment, the drive motor is concealed in the side view by the associated longitudinal spar assembly and therefore hardly appears optically.

In principle, the drive force of the drive motor can be transmitted to the support parts in order to adjust them in any suitable manner. A particularly advantageous development of the teaching according to the invention provides that in or on at least one of the longitudinal spar assemblies at least one pivot shaft is pivotally mounted, which forms an output element of the drive device and, in the assembled state of the support device, with at least one adjusting support part of the support device is in operative connection. This embodiment results in a particularly simple and robust construction. An advantageous development of the aforementioned embodiment provides that at least two pivot shafts are mounted in or on at least one of the longitudinal spar assemblies, which are assigned different support parts for adjusting the same in the mounting position of the support device. In this embodiment, the swivel shafts are connected to different support parts in a drive connection, so that when the swivel shafts are controlled independently of one another, the respectively assigned support parts can be adjusted independently of one another. In the aforementioned embodiments, each of the pivot shafts is expediently operatively connected to the associated support part via a lever arrangement in the assembled state of the support device. The lever arrangement can consist of a single, in particular one-armed lever or a combination of several levers.

In order to achieve a particularly simple and therefore inexpensive construction, a further development of the aforementioned embodiment provides that the lever arrangement in each case has at least one swivel lever which is connected to the associated swivel shaft in a rotationally fixed manner.

In the aforementioned embodiment, the pivot lever can be releasably connected to the associated pivot shaft. In order to further simplify the structure and make it particularly robust, an advantageous further development provides that the pivot lever is firmly connected to the associated pivot shaft, in particular is welded to the pivot shaft. At this Embodiment, the swivel lever is already connected to the swivel shaft by the manufacturer, so that the assembly of a support device according to the invention is further simplified by means of the modular system according to the invention. An advantageous development of

Embodiment with the pivot lever provides that a lever extension can be connected to at least one of the pivot levers, but is preferably pivotally fixed. In this embodiment, the length of the lifting arm of the swivel lever can be selected within wide limits by appropriately selecting a lever extension. In a particularly simple and flexible manner, this makes it possible to adapt the support device to be mounted in each case by means of the modular system according to the invention to the respective load case.

In order to make the assembly of the lever extension on the assigned pivot lever particularly simple, an advantageous development provides that the lever extension can be plugged onto the assigned pivot lever.

In principle, for example, a pivoting of a support part can be carried out by means of the pivot lever such that the support part lies loosely on the pivot lever, so that it is pivoted when the pivot lever is pivoted. An extremely beneficial one

However, further development of the teaching according to the invention provides that the lever arrangement, in particular the pivoting lever, forms part of the longitudinal spar. In this embodiment, the structure is further simplified, since the pivot lever itself forms part of the longitudinal spar and thus an additional pivot lever as a separate component is not required.

Basically, it is in the embodiment in which at least one of the longitudinal spar assemblies is used as a housing is designed to accommodate at least parts of a drive device and / or an output device, it is possible that at least one drive device is assigned to each of the longitudinal spar assemblies. For example, drive devices of the same type as the longitudinal spar assemblies can be arranged so that the force is introduced symmetrically from the drive devices into the support parts with respect to a longitudinal center plane of the support device. Particularly when the support device to be assembled has a particularly large width, for example in the case of a slatted frame for a double bed, it is expedient if at least one drive device is assigned to each of the longitudinal beam assemblies or, in the case of more than two longitudinal beam assemblies, to at least two of the longitudinal beam assemblies. An advantageous development of the teaching according to the invention provides that transmission means for transmitting a rotation of a first swivel shaft assigned to the first longitudinal spar assembly to a third swivel shaft assigned to the second longitudinal spar assembly and / or for transmitting a rotation of a second swivel shaft assigned to the first longitudinal spar assembly to one of the second longitudinal spar assembly fourth pivot shaft are provided. In this embodiment, for example, only the first longitudinal beam assembly can be assigned at least one drive device which rotates the first pivot shaft and the second pivot shaft, while the third and fourth pivot shaft, which are assigned to the second longitudinal beam assembly, via the transmission means by the first or the second swivel shaft is taken along and driven in rotation. In this embodiment, a drive device provided on the second longitudinal spar assembly is not required. borrowed. Nevertheless, an essentially symmetrical introduction of force into the support parts with respect to the longitudinal plane of the support device is ensured by the fact that the third and fourth swivel shafts are carried along by the first and second swivel shafts. If at least one drive device is assigned to both or to more than two longitudinal beam assemblies, at least one drive device is assigned to the transmission means nonetheless in order to mechanically forcibly couple the first pivot shaft to the third pivot shaft and the second pivot shaft to the fourth pivot shaft achieve. In this way, it is prevented that twisting of the support part occurs when two drive devices assigned to the same support part are not synchronized.

Further developments of the aforementioned embodiment provide that the first and the third pivot shaft in the assembled state of the support device are assigned to the same supporting parts to be adjusted and / or that the second and fourth pivot shaft are assigned to the same support part to be adjusted in the assembled state of the support device.

In principle, in the embodiments with the transmission means, the transmission means can be designed in any suitable manner. For example, the transmission means can have gear elements that transmit rotation of the first or third pivot axis to the second or fourth pivot axis. In order to further simplify the construction, an advantageous further development provides that the transmission means connect the first and the third pivot axis and / or the second and the fourth pivot axis to one another essentially in a rotationally fixed manner. A further development of the aforementioned embodiment provides that the transmission means for producing an essentially rotationally fixed connection between two swivel shafts have at least one connection shaft. In this embodiment, the construction is particularly simple and thus inexpensive, since the transmission of the rotation of a pivot shaft assigned to the first longitudinal spar assembly to the corresponding pivot shaft assigned to the second longitudinal spar assembly takes place by means of a simple connecting shaft.

In principle, the connecting shaft can be connected to the assigned swivel shafts in any suitable manner. The connecting shaft is advantageously detachable in any suitable manner, that is to say free of permanent connecting means, from the associated pivot shafts. An extremely advantageous further development provides that the connecting shaft can be connected non-rotatably in the circumferential direction but loosely in the axial direction to the swivel shafts. In this embodiment, the assembly of the connecting shaft on the swivel shafts is particularly simple because the non-rotatable connection is made free of permanent fasteners. A particularly advantageous development of the aforementioned embodiment provides that the pivot shafts to be connected each have an axial recess with a non-circular cross section and that the axial ends of the connecting shaft each have a cross section which is essentially complementary to the associated recess, such that the connecting shaft also its ends in the circumferential direction essentially engages positively in the recesses in the pivot shafts. In this embodiment, the assembly of the Connection shafts on the swivel shafts designed particularly simple. A particular advantage of this embodiment is that in order to realize different widths of the support device, it is only necessary to cut the connecting shaft to the desired width. In particular, the connecting shaft can consist of a square material, for example a square tube or a square rod, which is cut to length according to the desired width of the respective support device.

Another extremely advantageous development of the embodiments with the connecting shaft provides that the ends of the connecting shaft can be inserted loosely into the recesses in the swivel shafts. This embodiment results in a particularly simple assembly of the swivel shafts, since it is only necessary to insert the swivel shaft loosely into the associated recesses in the swivel shafts. Basically, the recesses in the

Swivel shafts can be formed, for example, as blind holes. If the recesses in the swivel shafts are designed as continuous recesses, then stop means are expediently provided to limit the axial insertion depth of the ends of the connecting shaft into the recesses of the swivel shafts. In this embodiment, it is ensured that the longitudinal spar assemblies connected to one another via the connecting shaft or the connecting shafts are at a distance from one another after assembly of the connecting shafts, which distance is predetermined by the length of the respective connecting shaft or connecting shafts.

In the aforementioned embodiment, the sling means can be designed in any suitable manner. be educated. A particularly simple and inexpensive development provides that the stop means in the assembled state of the support device are at least partially formed by an outer frame of the support device. In this embodiment, additional slings are not required. The outer frame of the support device can be formed, for example, by two wooden strips that are parallel to and spaced from one another in the assembled state, one of the longitudinal beam assemblies being attached to each of the strips.

In the aforementioned embodiments, a stop is expediently assigned to each of the pivot shafts to be connected to one another in a substantially rotationally fixed manner. In principle, in the embodiments with the lever arrangement, the respective longitudinal spar can be formed by the lever arrangement or part of the lever arrangement, so that the support parts are at least partially formed by the lever arrangement itself. In this embodiment, suspension elements, for example resilient slats, are then carried directly by parts of the lever arrangement. In order to make the support device according to the invention to be assembled optically more advantageous by means of the modular system according to the invention, an advantageous further development provides that at least one of the lever arrangements can be clad by means of a cladding, the top side of which in the assembled state of the support device forms the top side of the respective longitudinal spar. In this embodiment, the support device according to the invention is designed to be more visually appealing.

An advantageous development of the aforementioned embodiment provides that the panel can be releasably connected, in particular, to the lever arrangement this can be snapped on. In this embodiment, the assembly of the cover on the lever arrangement is simplified.

Another development of the teaching according to the invention provides that in the assembled state of the support device, the respective longitudinal spar in the longitudinal direction of the support device is formed at least in sections by the associated longitudinal spar assembly. This embodiment results in a particularly simple construction with few components.

Another development of the teaching according to the invention provides that in the assembled state of the support device, the respective longitudinal spar in the longitudinal direction of the support device is formed at least in sections by the pivot lever or a covering of the pivot lever.

Another development provides that the longitudinal bars in the assembled state of the support device in the longitudinal direction of the support device are formed at least in sections by profile elements, in particular hollow profile elements or profile elements open on one side.

According to the invention it is therefore possible to section the longitudinal spar in sections in the longitudinal direction of the support device through the respective longitudinal spar assembly and / or one

To form part of the lever arrangement or its cladding and / or by profile elements. According to the invention, a longitudinal spar is understood to mean a load-bearing component which extends in the longitudinal direction of the respective support device and which absorbs support forces in the mounting position of the support device and directly or indirectly carries the suspension elements provided for supporting the padding, in particular resilient slats or the like. A further development of the embodiment with the cladding provides that the cladding of the lever arrangement in the assembled state of the support device is formed at least in sections by profile elements, in particular hollow profile elements or profile elements which are open on one side. This embodiment has a particularly simple structure.

In order to facilitate the assembly of the profile elements on the lever arrangement, an advantageous further development of the embodiments with the profile elements provides that these have an essentially U-shaped cross section which is open at the bottom when the support device is in the assembled state. In this embodiment, the profile elements can be pushed or plugged onto the associated parts of the lever arrangement in a particularly simple manner.

In the aforementioned embodiments, the profile elements advantageously consist of plastic. In this way, the manufacturing costs for the profile elements are kept low.

Another advantageous development of the teaching according to the invention provides that holding elements for holding suspension elements, in particular resilient slats, can be detachably connected to the top of the respective longitudinal spar. One advantage of this embodiment is that the holding elements can be designed as separate components which are only connected to the respective longitudinal spar when the support device is installed. In this way, the structure of the support device according to the invention is made even more modular in accordance with the basic idea of a modular system.

In principle, the holding elements can be firmly connected to the suspension elements. To build To make it even more modular, it is advantageous that the holding elements releasably hold the suspension elements.

An extremely advantageous development of the embodiment with the transmission means provides that the connection means are at least partially, preferably essentially completely, formed by the transmission means. If the transmission means are formed, for example, by a swivel shaft or a plurality of swivel shafts, these swivel shafts can, for example, simultaneously form the connecting means for connecting the longitudinal beam assemblies to one another, so that additional connecting means are not required. This results in a particularly simple construction with few components. Other developments of the teaching according to the invention provide that the support device has a fixed central support part and at least one additional support part which is adjustable relative to the central support part and / or that the longitudinal beam assemblies form parts of the central support part.

A support part is, according to the invention, a component of a support device according to the invention that absorbs the support forces that occur when padding is supported, and in particular carries the suspension elements on which the padding is supported when the support device is used.

The aforementioned embodiment makes it possible, in particular, for the support device to be designed in the assembly position in the region of the central support part without cross bars, as is provided by another development. According to the invention, a transverse spar is understood to mean a spar which connects the longitudinal spars, which absorb the supporting forces which occur when supporting an upholstery, of the supporting part to one another. det. The design of the support device according to the invention is further simplified by dispensing with such cross bars in the region of the central support part. In particular, the assembly of support devices by means of the modular system according to the invention is also simplified.

According to the invention, the longitudinal beam assemblies used in the modular system are designed as separate structural units. A support device which can be mounted by means of the modular system according to the invention is specified in claim 46. Advantageous and expedient developments of the support device according to the invention are specified in subclaims 47 to 90. A longitudinal spar assembly that can be used in a modular system according to the invention is specified in claim 91. Advantageous and expedient developments of the longitudinal spar assembly according to the invention are specified in subclaims 92 to 104. The invention is explained in more detail below with reference to the accompanying drawing, in which an embodiment of a modular system according to the invention and a support device according to the invention is shown in the form of a slatted frame. All of the features described or shown in the drawing, alone or in any combination, form the subject matter of the invention, regardless of their summary in the patent claims or their relationship, and regardless of their formulation or representation in the description or in the drawing.

It shows :

1 is an exploded view of components of a modular system according to the invention, Fig. 2 shows a longitudinal section through a first

Longitudinal beam assembly of the modular system according to FIG. 1,

Fig. 3 in the same representation as Fig. 2, but compared to Fig. 2 in an enlarged

Scale part of the first longitudinal spar assembly according to FIG. 2,

4 in the same representation as FIG. 3, but on a smaller scale, a second longitudinal beam assembly of the modular system according to FIG. 1,

5 is a side view of the longitudinal beam assembly according to FIG. 2 in the assembled state,

6 is a perspective view of a detail from the area of a panel of a pivot lever,

7 shows a perspective view of a slatted frame according to the invention in the partially assembled state, FIG. 8 shows a further perspective view of the partially assembled slatted frame according to FIG. 7, FIG. 9 shows a perspective view of a slatted frame created by means of the modular system according to FIG

For reasons of illustration, some of the slats are omitted, FIG. 10 in the same representation as FIG. 9 shows the slatted frame according to FIG. 9 on a smaller scale than FIG. 9, all slats being shown, FIG. 11 in the same representation as FIG. 4

4 with supporting parts arranged thereon in one adjustment position,

FIG. 12 in the same representation as FIG. 11, but on an enlarged scale, the longitudinal spar assembly according to FIG. 4 with supporting parts arranged thereon in one

End position of the adjustment movement,

13 in the same representation as FIG. 5, the longitudinal spar assembly with supporting parts arranged thereon according to FIG. 5 in an adjustment position, FIG.

Fig. 14 in the same representation as Fig. 13, the longitudinal spar assembly with supporting parts arranged thereon according to Fig. 13 in an end position of the adjustment movement, Fig. 15A to 15F in the same representation as Fig. 3, a disengaging process of a disengageable component to interrupt the drive train Carrying out an emergency lowering of the head part of the slatted base according to FIGS. 9 and 16A to 16E in the same representation as FIG. 3

The disengaged component is engaged.

In Fig. 1 components of a modular system according to the invention for mounting motor-adjustable support devices for upholstery of seating and / or reclining furniture are shown. The invention

In this exemplary embodiment, the modular system is used to mount slatted frames, of which a slatted frame 2 is shown in FIG. 1 as an example.

The modular system according to the invention has one first longitudinal beam assembly 4 and a second longitudinal beam assembly 6, which are designed as separate units and can be detachably connected to one another and non-destructively removed by connecting means in a manner explained in more detail below to form a base body 8 of the slatted frame 2.

The base body 8 of the slatted frame 2 has two parallel longitudinal bars 10, 12. The longitudinal beam 10 has a first longitudinal beam section 14, a second longitudinal beam section 16, a third longitudinal beam section 18, a fourth longitudinal beam section 20, a fifth longitudinal beam section 22 and a sixth longitudinal beam section 24 in succession in the longitudinal direction of the slatted frame 2.

The first longitudinal beam section 14 is articulated and pivotable about a horizontal pivot axis with one end of the second longitudinal beam section 16, with the other end of which the third longitudinal beam section 18 is firmly connected. The end of the third longitudinal beam section 18 facing away from the second longitudinal beam section 16 is connected in an articulated manner and pivotable about a horizontal pivot axis to the fourth longitudinal beam section 20, which is stationary and is formed in this exemplary embodiment by the first longitudinal beam assembly 4. With the end of the fourth longitudinal beam section 14 facing away from the third longitudinal beam section 18, one end of the fifth longitudinal beam section 22 is connected in an articulated manner and pivotable about a horizontal pivot axis, with the end of the fifth longitudinal beam section facing away from the fourth articulated and pivotable about a horizontal pivot axis, the sixth long beam section 24 is connected. The second longitudinal spar 12 has corresponding longitudinal spar sections 14 ', 16', 18 ', 20 ', 22', 24 'on.

In the assembled state of the slatted frame 2, the longitudinal beam sections 20, 20 'each form a stationary central support part 26, the longitudinal beam sections 18, 18' form a lumbar support part 28, the longitudinal beam sections 16, 16 'an upper body support part 30 and the longitudinal beam sections 14, 14' form a headrest part 32. Furthermore, in the assembled state of the slatted frame 2, the longitudinal beam sections 22, 22 'form a leg support part 34 and the longitudinal beam sections 24, 24' form a calf support part 36.

The support parts 26-36 formed in this way have on their side facing the support side, on which, when using the slatted frame 2, an upholstery, for example a mattress, is supported on the support parts 26-36, in the exemplary embodiment according to FIG. 1 on its upper side and thus on the upper side of the longitudinal spars 10, 12 holding elements for holding suspension elements, of which only one holding element is provided with the reference symbol 38 in FIG. 1. The

In this exemplary embodiment, holding elements 38 serve to releasably hold resilient slats, which are not shown in FIG. 1.

The connecting means provided according to the invention, which form an essential part of the modular system according to the invention and the slatted base 2 according to the invention, are formed in this exemplary embodiment by connecting shafts 40, 42, the function of which will be explained in more detail below. The connecting shafts 40, 42 are through in this embodiment

Tubes with a non-circular cross-section, namely an outer cross-section which is essentially square in this embodiment.

The slatted frame 2 also has an outer frame on, which in this embodiment has two mutually spaced and mutually parallel strips 44, 46 which can be placed on a substructure of a bed, not shown in the drawing, for positioning the slatted frame 2. In the assembled state of the slatted frame 2, the first longitudinal beam assembly 4 is detachably connected to the strip 44, while the second longitudinal beam assembly 6 is detachably connected to the strip 46. The longitudinal beam assemblies 4, 6 can in particular be screwed onto the strips 44 and 46, respectively.

The sixth longitudinal beam section 24 is articulated in the region of its free end via a link 50 to the bar 44, while the longitudinal bar section 24 is articulated in a corresponding manner via a link 50 'with the bar 46. An axis 52 is provided for the pivotable mounting of the links 50, 50 '.

2 shows the first longitudinal beam assembly 4, which in this exemplary embodiment is a closed hollow profile and is designed as a housing 54 for receiving parts of a drive device 56. In this exemplary embodiment, the drive device 56 has two drive units 58, 58 ′, which are accommodated together in the housing 54 and thus form a double drive. The drive unit 58 serves, in a manner explained in more detail below with reference to FIG. 3, for pivoting a pivot lever 60 about a first pivot axis 62, which is horizontal in this exemplary embodiment, while the drive unit 58 ′ for

Swiveling a pivot lever 64 around a second pivot axis 66 parallel to the first pivot axis 62 is used.

Fig. 3 shows on a larger scale than Fig. 2 Drive unit 58, which is explained in more detail below. The drive unit 58 'is constructed accordingly and is therefore not explained in more detail.

The drive unit 58 has an electric motor (not recognizable in FIG. 3) as the drive motor, the output shaft of which is designed as a worm 68 and is in engagement with a worm wheel 70 which is rotatably mounted in the interior of the housing 54 and forms a worm gear with the latter. A threaded spindle 72, which is rotatably mounted in the interior of the housing 54, is connected to the worm wheel 70 in a rotationally fixed manner, on which a spindle nut 76 is arranged so as to be non-rotatable and movable in the axial direction of the threaded spindle 72 in the direction of a double arrow 74. In this exemplary embodiment, the spindle nut 76 forms a drive element of the drive unit 58 which is linearly movable along a linear movement axis coinciding with the longitudinal axis of the threaded spindle 72.

In this exemplary embodiment, the spindle nut 76 is formed by a component made of plastic and is screwed onto the external thread of the threaded spindle 72 with an internal thread 78. The spindle nut 76 also has a pin 80 extending perpendicular to the threaded spindle 72. A first pivot shaft 82, which is pivotable about the first pivot axis 62 and is formed in this exemplary embodiment by a shaft journal, is mounted in the housing 54. The first pivot shaft 82 has an axis that extends in the axial direction of the first pivot axis 62 and passes through the pivot shaft 82

Recess 84, which in this embodiment has a non-circular, substantially square cross-section. The essentially quadrangular cross section of the recess 84 is in relation to the outer cross section of the Binding shaft 40 (see FIG. 1) is essentially complementary.

The pivot lever 60 is connected in a rotationally fixed manner to the pivot shaft 82, the rotationally fixed connection being produced in this exemplary embodiment by welding.

A one-armed lever 86 is also connected in a rotationally fixed manner to the pivot shaft 82, with which one end of a rod 90, the third of which is the third pivot axis 88, is connected eccentrically to the first pivot axis 62, in an articulated manner and pivotable about a third pivot axis 88 parallel to the second pivot axis 62 opposite end is designed as a hook 92 and engages behind the pin 80 formed on the spindle nut 76 in a form-fitting manner.

In order, for example, to be able to carry out an emergency lowering of the slatted base 2 in the event of a power failure, the hook 92 can be unhooked from the pin 80 in a manner explained in more detail below with reference to FIGS. 15A to 15F.

To pivot the lever 60 in FIG. 3 clockwise in the direction of an arrow 94, the electric motor drives the threaded spindle 72 in such a way that the spindle nut 76 moves to the right in FIG. 3. The rod 90 is in driving connection with the spindle nut 76 via the hook 92, so that the rod 90 is carried to the right in FIG. 3. Here, the lever 86 and thus the swivel shaft 82 and the swivel lever 60 connected to the swivel shaft 82 in a rotationally fixed manner are swiveled in the direction of the arrow 94.

A pivoting of the lever 16 about the pivot axis 62 in FIG. 3 counterclockwise, that is, counter to the direction of the arrow 94, takes place when the drive is switched on, but under the weight of the with the lever 60 connected support part or additionally under the load of a person resting on this support part, as will be explained in more detail below.

The assembly of the slatted base 2 according to the invention by means of the modular system according to the invention is explained in more detail below with reference to FIGS. 4 to 9.

4 shows a longitudinal section through the second longitudinal spar assembly 6 and the part of the second longitudinal spar 12 forming the headrest part 32, the upper body support part 30 and the lumbar support part 28.

The second longitudinal spar assembly 6 is also designed as a hollow profile in this embodiment. In contrast to the first longitudinal beam assembly 4, however, the second longitudinal beam assembly 2 is not designed as a housing 54 'for receiving parts of a drive device, but rather for receiving parts of an output device. If required in accordance with the respective requirements, for example with slatted frames of large width, the second longitudinal spar assembly 6 can also be in the first

Longitudinal beam assembly 4 correspondingly accommodate parts of another drive device.

In this exemplary embodiment, a third pivot shaft 98 is mounted coaxially in the assembled state in the second longitudinal beam assembly 6 to the first pivot shaft 82 mounted in the first longitudinal beam assembly 4. Furthermore, a fourth pivot shaft 98 'is mounted coaxially in the second longitudinal beam assembly 6 in the assembled state with the second pivot shaft 82. The third swivel shaft 98 and the fourth swivel shaft 98 'each have a continuous recess 100 and 100', respectively, which have an essentially quadrangular cross section, as described above for the recesses 84 and 84 'of the first swivel shaft 82 and second pivot shaft 82 'has been described. A pivot lever 60 'corresponding to the pivot lever 60 is connected to the third pivot shaft 98, while a pivot lever 64' corresponding to the pivot lever 64 'is connected to the fourth pivot shaft 98' and is not shown in FIG. 4.

The housing 54 'has axially coaxial recesses on both sides of the third pivot shaft 98. Furthermore, the housing 54 'on both sides of the fourth pivot shaft 98 has recesses which are coaxial with it.

The connecting shaft 40 can be inserted loosely at one end into the recess 84 of the first pivot shaft 82 and at the other end into the recess 100 of the third pivot shaft 98 and forms transmission means for transmitting a rotation of the first pivot shaft 82 to the third pivot shaft 98 Correspondingly, the connecting shaft 42 can be inserted loosely at one end into the recess 84 'of the second pivot shaft 82' and at the other end into the recess 100 'of the fourth pivot shaft 98' and forms transmission means for transmitting a rotation of the second pivot shaft 82 'on the fourth pivot shaft 98'. Due to the complementary design of the outer cross section of the connecting shafts 40 and 42 and the cross section of the recesses 84, 100 and 82 ', 100', the connecting shafts 40, 42 are non-rotatable in the circumferential direction in the assembled state, but loosely in the axial direction with the associated pivot shafts 82, 98 and 82 ', 98' connected.

To assemble the slatted frame 2, a lever extension 102 is first connected to the lever 60 with respect to the pivot axis 62 so that it can pivot, which can be plugged onto the pivot lever 60, for example. Then a covering 104 is connected to the lever extension 102 in the region of its end facing the second longitudinal spar assembly 6. In this exemplary embodiment, the cover 104 is formed by a profile element which, in this exemplary embodiment, is essentially U-shaped and is open at the bottom in the assembled state of the slatted frame 2, as is indicated in a highly schematic manner in FIG. 6 for a corresponding cover of the pivot lever 64 , The cover 104 is detachably connected to the lever extension 102 pivot lever 102. In particular, it can be snapped onto or clipped onto the lever extension 102.

At its end facing away from the second longitudinal spar assembly 6, the covering 104 has a section 106 which, in this exemplary embodiment, forms the first longitudinal spar section. The section 106 can be formed in one piece with the casing 104 and connected to it via a hinge-like connection 108. The section 106 can, however, also be formed by a separate covering. Arranged in the interior of section 106 is an arcuate guide 110, in which, in the assembled state of the slatted frame 2, a pin 112 is displaceably guided, which is formed on the end of the lever extension 102 facing away from the second longitudinal spar assembly 6.

As can be seen from FIG. 4, the top side of the covering 104 forms the top side of the second longitudinal spar 12 in this exemplary embodiment

A corresponding cover 104 'is connected to the pivot lever 60, which is assigned to the first longitudinal beam assembly 4.

At the top of the panels 104, 104 'are Recesses are provided, into which the holding elements 38 for the resilient slats, of which a slat with the reference numeral 114 is provided in FIG. 4, can be inserted from the top of the casing 104 and thus releasably connected to the casing 104.

As shown in FIG. 5 for the second longitudinal spar assembly 6, holding elements 38 'for resilient slats 114' 'are also releasably connected to the longitudinal spar assemblies 4, 6, which form the fourth longitudinal spar sections 20 and 20' when the slatted frame 2 is in the assembled state ,

To form the fifth longitudinal beam section 22 ′ and the sixth longitudinal beam section 24 ′ of the second longitudinal beam 12, a cover 116 is connected to the pivot lever 64 ′, the connection between the cover 116 and the pivot lever 64 ′ being able to take place in the same way as for the cover 104 and the pivot lever 60 'has been described. The cladding 116 has a first section 118, which is supported on the pivot lever 64 'and is connected to a second section 122 via a hinge-like connecting element 120. The second section 122 is connected to the free end of the handlebar 50 'at its ends. The handlebar 50 'ensures, in a manner explained in more detail below, that when the fifth longitudinal beam section is pivoted

22 ', the sixth longitudinal beam section 24' is also pivoted.

In a corresponding manner, a corresponding cladding 116 is connected to the longitudinal beam sections 22, 24 of the first longitudinal beam 10.

FIG. 6 shows a highly schematic part of the cladding 116 in the area of the first section 118, it being evident that the cladding 116 is U-shaped, which is open at the bottom in this exemplary embodiment. ges hollow profile is formed and carries on its top the holding elements 38 for the slats, not shown in Fig. 6.

Thus, the second longitudinal spar 12 of the slatted frame 2 is formed in that the lever extension 102 is connected to the pivot lever 60 'of the second longitudinal spar assembly 6, the panel 104 is placed on the lever extension 102, the panel 116 is placed on the pivot lever 64' and the cover 116 is placed on the handlebar 50 '. The first longitudinal spar 10 is created in a corresponding manner.

7 shows the first longitudinal spar 10 in the assembled state on the bar 44 of the frame of the slatted frame 2. To assemble the first longitudinal spar assembly 4, it is screwed to the inside 124 of the bar 44 by means of screws (not shown in the drawing). The axle 52 is loosely inserted into a bore formed on the inside 124 of the strip 44 and not recognizable in the drawing, which in the assembled state forms a bearing axle for the pivotable mounting of the end of the handlebar 50 facing away from the cover 116 '.

7 shows an electric motor 126 assigned to the drive unit 58 and an electric motor 126 assigned to the drive unit 58 '. Only the electric motor 126 is explained in more detail below. The arrangement and design of the electric motor 126 'is corresponding.

The electric motor 126 is in this embodiment For example, arranged outside the first longitudinal spar assembly 4, a recess not visible in the drawing being formed in a wall 128 of the first longitudinal spar assembly 4 facing the second longitudinal spar assembly 6, through which the drive motor 126 with the parts of the drive unit arranged inside the first longitudinal spar assembly 4 58 is in drive connection. As described above, the output shaft of the electric motor 126 is designed as a worm, which forms a first gear element and projects into the interior of the first longitudinal beam assembly 4. In the assembled state of the slatted frame 2, the worm meshes with the worm wheel 70, which is mounted in the interior of the first longitudinal spar assembly and forms a second gear element.

As can be seen from FIG. 7, the electric motors 126, 126 'are arranged essentially completely outside the first longitudinal spar assembly 4 and thus outside the first longitudinal spar 10. 7 and 2 that the electric motors 126,

126 'is arranged in the side view within the profile height of the first longitudinal beam assembly 4, in such a way that it is arranged on the first longitudinal beam assembly 4 so as to be free of overhang in the vertical direction. Here, the electric motors 126, 126 'are arranged on the side of the first longitudinal beam module 4 facing the second longitudinal beam module 6, which is not shown in FIG. 7, in such a way that they are arranged between the longitudinal beam modules 4, 6. After assembly of the first longitudinal spar 10 on the

Bar 44, the connecting shaft 40 is inserted loosely into the recess 84 of the first pivot shaft 82 through a recess 130 provided for this purpose in the housing 54. Since the recess 84 is in the axial direction device extends through the pivot shaft 82 and on the side of the housing 54 facing away from the housing 130 in the axial direction of the connecting shaft 40 of the recess 130, the connecting shaft 40 abuts the inside 124 of the strip at the end of the insertion movement into the recess 84 44 at. In the assembled state of the slatted frame 2, the strip 44 thus forms stop means for limiting the axial insertion depth of the end of the connecting shaft 40 into the recess 84 of the pivot shaft 82.

In a corresponding manner, one end of the connecting shaft 42 is inserted loosely in the axial direction through a recess 130 'in the housing 54 corresponding to the recess 130, into the recess 84' until it abuts the inside 124 of the strip 44, which thus forms stop means for limiting the axial insertion depth of the end of the connecting shaft 42 into the recess 84 '.

As an alternative to this, it is possible that the housing 54 on its side of the pivot shafts 82, 82 'facing away from the recesses 130, 130' is designed to be closed in the axial direction of the same, that is to say on this side none of the recesses 130, 130 'correspond

Has recesses. In this embodiment, an inner wall of the housing 54 facing away from the recesses 130, 130 ′ forms the stop means. When the connecting shafts 40, 42 are inserted into the recesses 84, 84 ', the ends of the connecting shafts 40,

42 thus at the end of the respective adjustment movement on the inner wall of the housing 54, so that the axial insertion depth of the connecting shafts 40, 42 into the recesses 84, 84 'is thus limited. Subsequently or beforehand, the link 50 is pivotally connected to the axis 52. The end of the link 50 facing the axis 52 can be designed to be elastically deformable in such a way that this end can be snapped onto the axis 52. The

However, the connection can also be made in such a way that the recess formed in the end of the handlebar is brought into alignment with the bore provided in the bar 44 for the insertion of the axle 52 and then the axle 52 through the recess in the handlebar 50 into the bore is plugged in.

FIG. 8 shows a further perspective view of the first longitudinal bar 10 in the partially assembled state, in which the connecting shafts 40, 42 are inserted into the associated recesses 84 and 84 ', respectively. Because the cross section of the recesses 84, 84 'is essentially complementary to the outer cross section of the connecting shafts 40 and 42, in this assembled state the connecting shafts 40, 42 are loose in the axial direction, but non-rotatable in the circumferential direction with the swivel shafts 82 , 82 'connected.

Fig. 9 shows the slatted frame 2 in the assembled state. In order to releasably connect the first longitudinal spar assembly 4 to the second longitudinal spar assembly 6 and thus the first longitudinal spar 10 to the second longitudinal spar 12 according to the invention at a lateral distance from one another, the connecting shaft 40 is inserted into the recess 100 of the third pivot shaft through a recess 132 in the second longitudinal spar assembly 6 98 loosely inserted in the axial direction of the connecting shaft 40 until the assigned one

End of the connecting shaft 40 abuts the inside 134 of the bar 46. Here, the strip 46 forms a stop for limiting the axial insertion depth of the end of the connecting shaft 40 into the recess 100 in FIG third pivot shaft 98. Because the recess 100 is essentially complementary in cross section to the outer cross section of the connecting shaft 40, a rotationally fixed connection between the third pivot shaft 98 and the connecting shaft 40 is achieved in this way.

At the same time, in a corresponding manner, the connecting shaft 42 is inserted loosely in the axial direction into the recess 100 'of the fourth pivot shaft 98' through a recess 132 'formed in the second longitudinal spar assembly 6. Furthermore, the axle 52 is simultaneously inserted into an associated bore in the inside 134 of the strip 46 in order to pivotably mount the handlebar 50 '. It can be seen from FIG. 9 that the connecting shafts 40, 42 in this exemplary embodiment form connecting means for connecting the first longitudinal beam assembly 4 to the second longitudinal beam assembly 6 and thus for connecting the first longitudinal beam 10 to the second longitudinal beam 12. Because of the rotationally fixed connection of the first pivot shaft 82 to the connecting shaft 40 and the rotationally fixed connection of the connecting shaft 40 to the third pivot shaft 98, the third pivot shaft 98 is coupled to the first pivot shaft 82 so that rotation of the first pivot shaft 82 onto the third Swivel shaft 98 is transmitted.

In a corresponding manner, the fourth pivot shaft 98 'is non-rotatably coupled to the second pivot shaft 82', so that a rotation of the second pivot shaft 82 'is transmitted to the fourth pivot shaft 98' and the connecting shaft 42 is thus a transmission means for transmitting a rotation the second pivot shaft 82 'to the fourth pivot shaft 98'. As can be seen from the preceding description, the lateral distance of the longitudinal spar assemblies 4, 6 from one another is determined by the axial length of the connecting shafts 40, 42. The connecting shafts 40, 42 thus form spacing means according to the invention for determining the lateral spacing of the longitudinal beam assemblies 4, 6 and thus of the longitudinal beams 10, 12 from one another.

Slatted frames of different widths can thus be implemented in modular form by using connecting shafts 40, 42 of different axial lengths.

It is particularly advantageous here if the connecting shafts 40, 42 consist of a profile material which has essentially the same cross section along its entire length and which is cut to length in accordance with the respectively desired width of the slatted frame 2. Thus, by means of the modular system according to the invention, using the same longitudinal beam assemblies 4, 6, slatted frames of different widths can be installed.

The slatted frame 2 according to the invention can be assembled here in a particularly simple and quick manner, since, for example, in the exemplary embodiment all components of the slatted frame 2 are detachably connected to one another.

After the longitudinal bars 10, 12 have been connected to one another in the manner described above, the holding elements 38, together with the resilient slats 114, are inserted into the recesses provided for this purpose in the upper sides of the longitudinal bars 10, 12, as described above.

This can be followed, if necessary, in the longitudinal direction of the slatted frame 2 at its ends, that is to say in the region of the free end of the headrest lying in the longitudinal direction. Part 32 and the longitudinal end of the calf support part 36 cross bars 136, 138 are mounted to improve the stability of the slatted frame. As can be seen from FIG. 9, the slatted base 2 in the area of the fixed central support part 28 is, however, completely free of cross bars, that is to say the bars absorbing the supporting force. In this area, the connection between the longitudinal spars 10, 12 is formed exclusively by the connecting shafts 40, 42.

If required in accordance with the respective requirements, the outer frame of the slatted base 2 can have transverse strips 140, 142 at its free ends located in the longitudinal direction, which can be detachably connected to the strips 44, 46, for example.

For the sake of clarity, slats provided on the central support part 26, that is to say in the region of the longitudinal beam assemblies 4, 6, have been omitted in FIG. 9. FIG. 10 shows a representation corresponding to FIG. 9, the slats provided in the area of the central support part 26 also being shown.

The adjustment of the upper body support part 30 and the headrest part 32 relative to the central support part 26 by means of the drive unit 58 is explained in more detail below with reference to FIGS. 4, 11 and 12.

Fig. 4 shows the upper body support part 30 and the head support part 32 in a first end position of the adjustment movement, in which these support parts together with the central support part 26 a substantially horizontal

Spread the support level.

In order to adjust the upper body support part 30 and the head support part 32 relative to the central support part 26 starting from this end position, the first Swivel shaft 82 (cf. FIG. 2) is pivoted clockwise by means of the drive unit 58 in the drawing, the rotation of the first swivel shaft 82 being transmitted via the connecting shaft 40 to the third swivel shaft 98, which is thus carried along by the first swivel shaft 82 as it rotates is pivoted clockwise in Fig. 4. When pivoting the pivot shafts 82, 98, the levers 60 ', 60 connected to the pivot shafts pivot synchronously, so that the upper body support part 30 pivots clockwise in FIG. 4, as shown in FIG. 11. In this case, the headrest part 32 executes a relative movement to the upper body part 30 because of the fact that the pins 112, 112 'formed on the lever extensions 102, 102 are guided in the arcuate guides 110, 110' of the headrest part 32.

12 shows the other end position of the adjustment movement, in which the head support part 32 and the upper body support part 30 are maximally adjusted relative to the central support part 26.

The upper body support part 30 and the head support parts 32 are reset from the one end position of the adjustment movement shown in FIG. 12 back to the other end position of the adjustment movement shown in FIG. 4 with the drive unit 58 switched on, but under the influence of the weight of the upper body support part 30 and the headrest part 32 and possibly the burden of a person resting on it.

The adjustment of the leg support part 34 and the calf support part 36 relative to the central support part 26 will be described below with reference to FIGS. 5, 13 and 14.

5 shows a first end position of the adjustment movement, in which the leg support part 34 and the calf support Part 36 together with the central support part 26 span a substantially horizontal support plane.

Starting from this end position, the second pivot shaft 82 and the fourth pivot shaft 98 in FIG. 5 are pivoted counterclockwise by means of the drive unit 58, so that the pivot lever 64 is also pivoted clockwise. As a result, the leg support part 34 and, due to the articulated connection to the leg support part 34, also the calf support part 36 is pivoted, as shown in FIG. 13. The kinematics of the pivoting movement of the calf support part 36 relative to the leg support part 34 and the central support part 26 is in this case determined via the links 50, 50 ′. 14 shows the other end position of the adjustment movement of the leg support part 34 and the calf support part 36, in which these are maximally adjusted relative to the central support part 26.

The leg support part 34 and the calf support part 36 are reset to the other end position of the adjustment movement shown in FIG. 5 when the drive unit 58 'is switched on, but under the influence of the weight of the leg support part 34 and the calf support part 36 and possibly the load on the crossbar. rust 2 resting person.

As can be seen from the above description, support devices, in particular slatted frames of different widths, can be realized by means of the modular system according to the invention using the same longitudinal beam assemblies. The longitudinal spar assemblies and the connecting means with which the longitudinal spar assemblies can be connected at a lateral distance from one another to form a base body of the support device form essential elements of the invention Modular system and the support device according to the invention.

Here, support devices of different widths can be realized by using connecting shafts 40, 42 of different lengths. The width of the slats or other suspension elements used is adapted to the length of the connecting shafts and thus the distance between the longitudinal spars 10, 12 of the support device. In order to be able to carry out an emergency lowering of the support parts 30, 32 when these are adjusted relative to the central support part 26 and, for example, there is a power failure, the rod 90 is designed as a disengageable component in this exemplary embodiment. In order to actuate the disengagement, a rod-shaped actuating element 144 is provided which extends essentially perpendicular to the linear axis of movement of the spindle nut 76 and is led out of the latter through an opening in the upper side of the housing 54. The actuating element 144 is supported on a lower inner wall of the housing 54 via a helical spring 146, which is arranged coaxially on an extension 148 of the actuating element 144. Provided on the actuating element 144 is a pin 150 which extends essentially perpendicular to the longitudinal axis thereof, which in the drawing runs perpendicular to the plane of the drawing and the rod 90 rests loosely on the upper side thereof. In the engagement position shown in FIG. 15A, the actuating element 144 is biased upward by the coil spring 146 in FIG. 15A. In order to actuate the disengagement, the upper body support part is moved clockwise a little by hand (see FIG. 12), so that the pivot lever 60 pivots clockwise a little in FIG. 15A. Here, the hook 92 disengages from the pin 80 as shown in FIG. 15B.

The user then pushes the actuating element 144 downward in the direction of an arrow 152 in FIG. 15C, so that the hook 92 unhooks from the pin 80, as shown in FIG. 15C.

In this way, the entrainment connection between the pin 80 and the rod 90 is released, so that the upper body support part 30 lowers under its own weight, so that the pivot lever 60 in the

Drawing pivoted clockwise as shown in Fig. 15D.

In this way, as shown in FIGS. 15E and 15F, the upper body support member 30 can be lowered by hand.

In order to bring the rod 90 back into connection with the pin 80 and thus with the spindle nut 76, the drive device is actuated in such a way that the spindle nut 76 moves to the left in FIG. 16A. Here, the hook 92 runs onto a guide surface 154 which extends at an acute angle to the linear axis of movement of the spindle nut 76 and leads to the pin 80, as shown in FIG. 16A.

When the spindle nut 76 is moved further to the left in FIG. 16A, the hook 92 runs onto the outer circumferential surface of the pin 80, as shown in FIG. 16B. Here, the actuating element 144 tries to pivot the rod 90 counterclockwise about the third pivot axis 88 due to the pretensioning by the helical spring 146, so that the hook 92 is prestressed against the guide surface 154 or the circumferential surface of the pin 80.

When the spindle nut 76 is moved further to the left in FIG. 16B, the hook 92 hooks on the hook again Pin 80 as shown in Figs. 16C, 16D and 16E. If, in the position shown in FIG. 16E, the spindle nut 76 is moved to the right again, the entrainment connection between the pin 80 and the hook 92 is restored, so that the rod 90 is again in the engaged position and with a further movement of the spindle nut 76 in FIG. 16E, the pivot lever 60 is pivoted clockwise so that the upper body support part 30 and the head support part 32 are also pivoted clockwise.

Claims

claims

1. Modular system for the assembly of motor-adjustable support devices for upholstery of seating and / or reclining furniture, in particular for mattresses of beds, the respective support device having at least two mutually adjustable support parts for supporting the upholstery in the assembled state,

with at least a first longitudinal spar assembly (4) and

with at least one second longitudinal beam assembly (6),

which can be detachably connected to one another at a lateral spacing from one another by connecting means for forming a base body (8) of the support device and can be removed without being destroyed.

2. Modular system according to claim 1, characterized in that at least one of the longitudinal spar assemblies (4, 6) is designed as a housing (54, 54 ') for receiving at least parts of a drive device and / or an output device.

3. Modular system according to claim 2, characterized in that at least one of the longitudinal spar assemblies (4, 6) is designed as a preferably closed or one-sided open hollow profile.

4. Modular system according to claim 2 or 3, characterized in that the drive device at least has a drive motor, in particular an electric motor (126, 126 ').

5. Modular system according to claim 2, 3 or 4, characterized in that the drive device including at least one drive motor (126, 126 ') in the housing (54, 54') is received.

6. Modular system according to one of the preceding claims, characterized in that the drive motor

(126, 126 ') or at least one end of the drive motor (126, 126') facing away from the output shaft of the drive motor (126, 126 ') is arranged outside the housing (54, 54'), that in one of the second longitudinal beam assemblies ( 6) a recess is formed opposite the side wall of the first longitudinal spar assembly (4) and that the drive motor (126, 126 ') is in drive connection through the recess with parts of the drive device arranged inside the first longitudinal spar assembly (4).

7. Modular system according to claim 6, characterized in that through the recess, the output shaft of the drive motor (126, 126 ') or an output shaft of the drive motor (126, 126') carrying the end of the drive motor (126, 126 ') or a The first gear element connected to the output shaft of the drive motor (126, 126 ') in rotary drive connection projects into the interior of the first longitudinal beam assembly (4), the first gear element having a second gear arranged in the interior of the first longitudinal beam assembly (4) when the support device is in the installed state - element is engaged.

8. Modular system according to claim 4, characterized in that the drive motor (126, 126 ') is arranged substantially completely outside the first longitudinal spar (10).

9. Modular system according to claim 7, characterized in that the first gear element is a worm (68) of a worm gear, the worm wheel (70) is arranged inside the first longitudinal spar assembly (4) and forms the second gear element.

10. Modular system according to claim 9, characterized in that the worm (68) is rotatably connected to the output shaft of the drive motor (126), in particular is integrally formed on the output shaft of the drive motor (126).

11. Modular system according to one of claims 4 to 10, characterized in that the drive motor (126, 126 ') in the side view is substantially within the profile height of the associated longitudinal beam assembly (4), such that the drive motor (126, 126') in the vertical direction overlap on or in the first longitudinal spar assembly (4) is arranged.

12. Modular system according to one of claims 4 to 11, characterized in that the drive motor (126, 126 ') on an in the assembled state of the other longitudinal spar assembly (6) facing side of the associated longitudinal spar assembly (4) is arranged such that the Drive motor (126, 126 ') is arranged between the longitudinal spar assemblies (4, 6).

13. Modular system according to one of the preceding claims, characterized in that in or on little- at least one of the longitudinal beam assemblies (4, 6) is pivotably mounted to at least one pivot shaft (82, 82 ', 98, 98'), which forms an output element of the drive device and, when the support device is in the installed state, is in operative connection with at least one part of the support device to be adjusted stands .

14. Modular system according to claim 13, characterized in that in or on at least one of the longitudinal beam assemblies (4) at least two pivot shafts (82,

82 ') are mounted, which in the assembled state of the support device are assigned to different support parts for adjusting the same.

15. Modular system according to claim 13 or 14, characterized in that in the assembled state of the support device, each of the pivot shafts (82, 82 ') is operatively connected to the associated support part via a lever arrangement.

16. Modular system according to claim 15, characterized in that the lever arrangement in each case has at least one pivot lever (60, 64) which is rotatably connected to the associated pivot shaft (82, 82 ').

17. Modular system according to claim 16, characterized in that the pivot lever (60, 64) is fixed to the associated pivot shaft (82, 82 '), in particular is welded to the pivot shaft (82, 82').

18. Modular system according to claim 16 or 17, characterized in that with at least one of the pivot levers (82) releasably, but preferably pivotably little at least one lever extension (102) can be connected.

19. Modular system according to claim 18, characterized in that the lever extension (102) on the assigned pivot lever (60 ') can be plugged.

20. Modular system according to one of claims 15 to

19, characterized in that the lever arrangement, in particular the pivot lever (60, 64), forms part of the longitudinal spar (10, 12).

21. Modular system according to one of claims 13 to

20, characterized in that transmission means for transmitting a rotation of a first pivot shaft (82) assigned to the first longitudinal beam assembly (4) to a third pivot shaft (98) assigned to the second longitudinal beam assembly (6) and / or for transmitting a rotation of one of the first A longitudinal swivel assembly assigned to the second swivel shaft (82 ') is provided on a fourth swivel shaft (98') assigned to the second longitudinal spar assembly (6).

22. Modular system according to claim 21, characterized in that the first (82) and the third swivel shaft (98) in the assembled state of the support device are assigned to the same support part to be adjusted.

23. Modular system according to claim 21 or 22, characterized in that the second (82 ') and the fourth pivot shaft (98') are assigned to the same supporting part to be adjusted in the assembled state of the supporting device.

24. Modular system according to one of claims 21 to 23, characterized in that the transmission means connect the first (82) and the third pivot shaft (98) and / or the second (82 ') and the fourth pivot shaft (98') to one another essentially in a rotationally fixed manner.

25. Modular system according to claim 24, characterized in that the transmission means for producing a substantially rotationally fixed connection between two pivot shafts (82, 98 or 82 ', 98') have at least one connecting shaft (40, 42).

26. Modular system according to claim 25, characterized in that the connecting shaft (40, 42) is rotatably fixed in the circumferential direction, but loosely in the axial direction with the pivot shafts (82, 98 or 82 ', 98').

27. Modular system according to claim 26, characterized in that the pivot shafts to be connected (82, 98 or 82 ', 98') each have an axial recess (84, 100 or 84 ', 100') with a non-circular cross-section and that axial ends of the connecting shaft (40, 42) have a cross section which is essentially complementary to the associated recess (84, 100 or 84 ', 100'), such that the ends of the connecting shaft (40, 42) essentially extend in the circumferential direction engages positively in the recesses (84, 100 or 84 ', 100') in the pivot shafts (40, 42).

28. Modular system according to one of claims 25 to 27, characterized in that the connecting shaft

(40, 42) with their ends can be inserted loosely into the recesses (84, 100 or 84 ', 100') in the swivel shafts (82, 98 or 82 ', 98').

29. Modular system according to claim 28, characterized by stop means for limiting the axial insertion depth of the ends of the connecting shaft (40, 42) into the recesses (84, 100 or 84 ', 100') of the swivel shafts (82, 98 or 82 ', 98').

30. Modular system according to claim 29, characterized in that the stop means in the assembled state of the support device are at least partially formed by an outer frame of the support device.

31. Modular system according to claim 29 or 30, characterized in that each of the pivot shafts (82, 98 or 82 ', 98') to be connected to one another in a rotationally fixed manner by a connecting shaft (40, 42) is assigned a stop.

32. Modular system according to claim 31, characterized in that at least one of the lever arrangements can be clad by means of a cladding (116), the

Top side in the assembled state of the support device forms the top side of the respective longitudinal bar (10).

33. Modular system according to claim 32, characterized in that the covering (116) can be detachably connected to the lever arrangement, in particular snapped onto it.

34. Modular system according to one of the preceding claims, characterized in that in the assembled state of the support device, the respective longitudinal spar (10, 12) is formed at least in sections in the longitudinal direction of the support device by the associated longitudinal spar assembly (4, 6).

35. Modular system according to one of the preceding claims, characterized in that in the assembled state of the support device, the respective longitudinal spar (10, 12) in the longitudinal direction of the support device at least in sections by the pivot lever (60, 64) or a panel (116) of the pivot lever (60, 64) is formed.

36. Modular system according to one of the preceding claims, characterized in that the longitudinal spars

(10, 12) in the assembled state of the support device in the longitudinal direction of the support device are formed at least in sections by profile elements, in particular hollow profile elements or profile elements open on one side.

37. Modular system according to one of claims 32 to 36, characterized in that the covering (116) of the lever arrangement in the assembled state of the support device is formed at least in sections by profile elements, in particular hollow profile elements or profile elements open on one side.

38. Modular system according to claim 36 or 37, characterized in that the profile elements have a substantially U-shaped cross-section which is open at the bottom in the assembled state of the support device.

39. Modular system according to one of claims 36 to 38, characterized in that the profile elements

Plastic.

40. Modular system according to one of the preceding claims, characterized in that with the top of the respective longitudinal spar (10, 12) holding elements (38) for holding spring elements, in particular resilient slats (114), are releasably connectable.

41. Modular system according to claim 40, characterized in that the holding elements (38) releasably hold the suspension elements.

42. Modular system according to one of claims 20 to 41, characterized in that the connecting means are at least partially, preferably substantially completely formed by the transmission means.

43. Modular system according to one of the preceding claims, characterized in that the support device in the assembled state has a fixed central support part (26) and at least one further support part (28-36) which is adjustable relative to the central support part (26).

44. Modular system according to one of the preceding claims, characterized in that the support device is constructed in the assembled state in the region of the central support part (26) without cross bars.

45. Modular system according to claim 43 or 44, characterized in that the longitudinal spar assemblies (4, 6) form parts of the central support part (26) in the assembled state of the support device.

46. Motor-adjustable support device for upholstering a seating and / or reclining furniture, in particular for a mattress of a bed, with at least two mutually adjustable supporting parts for supporting the upholstery,

with at least a first longitudinal spar assembly (4) and

with at least one second longitudinal beam assembly (6),

which can be detachably connected to one another by connecting means for forming a base body (8) of the support device at a lateral distance from one another and can be removed without being destroyed.

47. Support device according to claim 46, characterized in that at least one of the longitudinal spar assemblies (4, 6) is designed as a housing (54, 54 ') for receiving at least parts of a drive device and / or an output device.

48. Support device according to claim 47, characterized in that at least one of the longitudinal spar assemblies

(4, 6) is designed as a preferably closed or one-sided open hollow profile.

49. Support device according to claim 47 or 48, characterized in that the output device has at least one drive motor, in particular an electric motor (126, 126 ').

50. Support device according to claim 47, 48 or 49, characterized in that the drive device including at least one drive motor (126, 126 ') in the housing (54, 54') is received.

51. Support device according to one of claims 46 to 50, characterized in that the drive motor (126, 126 ') or at least one end of the drive motor (126, 126') facing away from the output shaft of the drive motor (126, 126 ') is arranged outside the housing (54, 54') in that A recess is formed in a side wall of the first longitudinal beam assembly (4) opposite the second longitudinal beam assembly (6) and that the drive motor (126, 126 ') is in drive connection through the recess with parts of the drive device arranged inside the first longitudinal beam assembly (4) stands .

52. Support device according to claim 51, characterized in that through the recess, the output shaft of the drive motor (126, 126 ') or an output shaft of the drive motor (126, 126') carrying the end of the drive motor (126, 126 ') or with one The output shaft of the drive motor (126, 126 ') with the first drive element in rotary drive connection protrudes into the interior of the first longitudinal beam assembly (4), the first gear element engaging with a second gear element arranged inside the first longitudinal beam assembly (4).

53. Support device according to claim 49, characterized in that the drive motor (126, 126 ') is arranged substantially completely outside the first longitudinal spar (10).

54. Support device according to claim 52, characterized in that the first gear element is a worm (68) of a worm gear, the worm wheel (70) is arranged inside the first longitudinal beam assembly (4) and forms the second gear element.

55. Support device according to claim 54, characterized in that the worm (68) is rotatably connected to the output shaft of the drive motor (126), in particular is integrally formed on the output shaft of the drive motor (126).

56. Support device according to one of claims 49 to

55, characterized in that the drive motor (126, 126 ') lies in the side view substantially within the profile height of the first longitudinal spar assembly (4), such that the drive motor (126, 126') in the vertical direction has no protrusion on or in the first longitudinal spar assembly (4) is arranged.

57. Support device according to one of claims 49 to

56, characterized in that the drive motor (126, 126 ') is arranged on a side of the first longitudinal beam assembly (4) facing the second longitudinal beam assembly (6), such that the drive motor (126, 126') between the longitudinal beam assemblies (4, 6) is arranged.

58. Support device according to one of claims 46 to

57, characterized in that at least one pivot shaft (82, 82 ', 98, 98') is pivotally mounted in or on at least one of the longitudinal beam assemblies (4, 6), which forms an output element of the drive device and with at least one in the assembled state of the support device part of the support device to be adjusted is operatively connected.

59. Support device according to claim 58, characterized in that in or on at least one of the longitudinal beam assemblies (4) at least two pivot shafts (82, 82 ') are mounted, which in the assembled state of the support in- direction different support parts for adjusting the same are assigned.

60. Support device according to claim 58 or 59, characterized in that in the assembled state of the support device, each of the pivot shafts (82, 82 ') is operatively connected to the associated support part via a lever arrangement.

61. Support device according to claim 60, characterized in that the lever arrangement in each case has at least one pivot lever (60, 64) which is rotatably connected to the associated pivot shaft (82, 82 ').

62. Support device according to claim 61, characterized in that the pivot lever (60, 64) is fixedly connected to the associated pivot shaft (82, 82 '), in particular is welded to the pivot shaft (82, 82').

63. Support device according to claim 61 or 62, characterized in that with at least one of the pivot levers (82) detachable, but preferably pivotally fixed, at least one lever extension (102) can be connected.

64. Support device according to claim 63, characterized in that the lever extension (102) can be plugged onto the associated pivot lever.

65. Support device according to one of claims 60 to 64, characterized in that the lever arrangement, in particular the pivot lever (60, 64), forms part of the longitudinal spar (10, 12).

66. Support device according to one of claims 58 to 65, characterized in that transmission means for transmitting a rotation of one of the first longitudinal beam assembly (4) assigned to the first pivot shaft (82) to one of the second longitudinal beam assembly (6) assigned to the third pivot shaft (98) and / or for transmitting a rotation of a second pivot shaft (82 ') assigned to the first longitudinal beam assembly (4) to a fourth pivot shaft (98') assigned to the second longitudinal beam assembly (6).

67. Support device according to claim 66, characterized in that the first (82) and the third pivot shaft (98) are assigned to the same support part to be adjusted.

68. Support device according to claim or 67, characterized in that the second (82 ') and the fourth pivot shaft (98') are assigned to the same support part to be adjusted.

69. Support device according to one of claims 66 to 68, characterized in that the transmission means, the first (82) and the third pivot shaft (98) and / or the second (82 ') and the fourth pivot shaft (98') substantially rotatably with each other connect.

70. Support device according to claim 69, characterized in that the transmission means for producing a substantially rotationally fixed connection between two pivot shafts (82, 98) or (82 ', 98') have at least one connecting shaft (40, 42).

71. Support device according to claim 70, characterized shows that the connecting shaft (40, 42) is rotatably fixed in the circumferential direction, but loosely in the axial direction with the pivot shafts (82, 98 and 82 ', 98').

72. Support device according to claim 71, characterized in that the pivot shafts to be connected (82, 98 or 82 ', 98') each have an axial recess (84, 100 or 84 ', 110) with a non-circular cross-section and that the axial The ends of the connecting shaft (40, 42) each have a cross section which is essentially complementary to the associated recess (84, 100 or 84 ', 100'), such that the ends of the connecting shaft (40, 42) are essentially positive in the circumferential direction engages in the recesses (84, 100 or 84 ', 100') in the pivot shafts (40, 42).

73. Support device according to one of claims 70 to 72, characterized in that the connecting shaft (40, 42) with its ends loose in the recesses (84, 100 or 84 ', 100') in the pivot shafts (82, 98 or 82 ', 98') can be inserted.

74. Support device according to claim 73, characterized by stop means for limiting the axial insertion depth of the ends of the connecting shaft (40, 42) into the recesses (84, 100 or 84 ', 100') of the pivot shafts (82, 98 or 82 ', 98').

75. Support device according to claim 74, characterized in that the stop means in the assembled state of the

Support device are at least partially formed by an outer frame of the support device.

76. Support device according to claim 73 or 74, characterized characterized in that a stop is assigned to each of the swivel shafts (82, 98 or 82 ', 98') which are to be connected to one another in a substantially rotationally fixed manner by means of a connecting shaft (40, 42).

77. Support device according to claim 76, characterized in that at least one of the lever arrangements can be clad by means of a cladding (116), the upper side of which forms the upper side of the respective longitudinal bar (10) in the assembled state of the support device.

78. Support device according to claim 77, characterized in that the covering (116) can be detachably connected to the lever arrangement, in particular can be snapped onto it.

79. Support device according to one of claims 46 to

78, characterized in that the respective longitudinal spar (10, 12) in the longitudinal direction of the support device is formed at least in sections by the associated longitudinal spar assembly (4, 6).

80. Support device according to one of claims 46 to

79, characterized in that in the assembled state of the support device the respective longitudinal spar (10, 12) in

The longitudinal direction of the support device is formed at least in sections by the pivot lever (60, 64) or a panel (116) of the pivot lever (60, 64).

81. Support device according to one of claims 46 to 80, characterized in that the longitudinal bars (10, 12) in the assembled state of the support device in the longitudinal direction of the support device at least in sections Profile elements, in particular hollow profile elements or profile elements that are open on one side, are formed.

82. Support device according to one of claims 77 to 81, characterized in that the covering (116) of the lever arrangement in the assembled state of the support device is formed at least in sections by profile elements, in particular hollow profile elements or profile elements open on one side.

83. Support device according to claim 81 or 82, characterized in that the profile elements have a substantially U-shaped cross-section open at the bottom in the assembled state of the support device.

84. Support device according to one of claims 81 to 83, characterized in that the profile elements consist of plastic.

85. Support device according to one of claims 46 to 84, characterized in that with the top of the respective longitudinal spar (10, 12) holding elements (38) for holding spring elements, in particular of resilient slats (114) are releasably connectable.

86. Support device according to claim 85, characterized in that the holding elements (38) releasably hold the suspension elements.

87. Support device according to one of claims 65 to 86, characterized in that the connecting means are at least partially, preferably substantially completely formed by the transmission means.

88. Support device according to one of claims 46 to 87, characterized in that the support device has a stationary central support part (26) and at least one further support part (28-36) which is adjustable relative to the central support part (26).

89. Support device according to claim 88, characterized in that the support device in the region of the central support part (26) is designed free of cross bars.

90. Support device according to claim 88 or 89, characterized in that the longitudinal spar assemblies (4, 6) form parts of the central support part (26).

91. Longitudinal beam assembly of a motor-adjustable support device for upholstering a seating and / or reclining furniture, in particular for a mattress of a bed, in particular for use in a modular system according to one of claims 1 to 45 and / or a support device according to one of claims 46 to

90,

characterized in that the longitudinal beam assembly (4, 6) is designed as a housing (54, 54 ') for receiving at least parts of a drive device and / or an output device.

92. The longitudinal beam assembly according to claim 91, characterized in that the longitudinal beam assembly (4, 6) is designed as a preferably closed or one-sided open hollow profile.

93. longitudinal spar assembly according to claim 91 or 92, characterized in that a drive motor (126, 126 ') or at least one end of the drive motor (126, 126 ') facing away from the output shaft of the drive motor (126, 126') is arranged outside the housing (54, 54 ') in such a way that a recess is formed in a lateral wall of the longitudinal beam assembly (4) and that the drive motor (126, 126 ') is in drive connection through the recess with parts of a drive device arranged in the interior of the longitudinal beam assembly (4).

94. longitudinal spar assembly according to one of claims 91 to

93, characterized in that through the recess the output shaft of the drive motor (126, 126 ') or an end of the drive motor (126, 126') carrying the output shaft of the drive motor (126, 126 ') or one with the output shaft of the drive motor (126 , 126 '), the first gear element in rotary drive connection projects into the interior of the longitudinal beam assembly (4), the first gear element engaging with a second gear element arranged in the interior of the longitudinal beam assembly (4).

95. longitudinal spar assembly according to one of claims 91 to

94, characterized in that the drive motor (126, 126 ') is arranged essentially completely outside the associated longitudinal bar (10).

96. longitudinal spar assembly according to claim 94, characterized in that the first gear element is a worm of a worm gear, the worm gear is arranged inside the longitudinal spar assembly (4) and forms the second gear element.

97. longitudinal spar assembly according to claim 96, thereby indicates that the worm (68) is non-rotatably connected to the output shaft of the drive motor (126), in particular is integrally formed on the output shaft of the drive motor (126).

98. Longitudinal beam assembly according to one of claims 91 to 97, characterized in that the drive motor (126, 126 ') lies in the side view essentially within the profile height of the longitudinal beam assembly (4), such that the drive motor (126, 126 ') is arranged in the vertical direction without protrusion on or in the longitudinal spar assembly (4).

99. longitudinal beam assembly according to one of claims 91 to 98, characterized in that in or on the longitudinal beam assembly (4, 6) at least one pivot shaft (82, 82 ', 98, 98') is pivotally mounted, which forms an output member of the drive device and in the assembled state with at least one part of the support device to be adjusted in effect connection.

100. longitudinal beam assembly according to claim 99, characterized in that in or on the longitudinal beam assembly at least two pivot shafts (82, 82 ') are mounted, which are assigned different support parts for adjusting the support device in the assembled state.

101. Longitudinal beam assembly according to claim 99 or 100, characterized in that in the assembled state of the support device, each of the pivot shafts (82, 82 ') is operatively connected to the associated support part via a lever arrangement.

102. Longitudinal beam assembly according to claim 101, characterized in that the lever arrangement in each case has at least one pivot lever (60, 64) which is connected in a rotationally fixed manner to the associated pivot shaft (82, 82 ').

103. longitudinal beam assembly according to claim 102, characterized in that the pivot lever (60, 64) is fixedly connected to the associated pivot shaft (82, 82 '), in particular is welded to the pivot shaft' (82, 82 ').

104. Longitudinal beam assembly according to one of claims 91 to 103, characterized in that the longitudinal beam assembly (4) forms a part of a stationary central support part (26) of a support device in the assembled state.