EP1048802A2 - Height adjustable floor - Google Patents

Abstract

The floor surface comprises several adjoining platforms (P) of which one or more which are adjustable by a common displaceab support structure (T) can be adjusted and used individually and independently of any adjoining preceding or following platform i one or more operating level. Several platforms can be formed into a uniform level surface with variable surface area and/or into stepped areas. The individual adjustment is by support devices. An entrainment connection and coupling to a common adjustable support structure allows stepped and infinite adjustment.

Description

Rooms or structures which are used for several special purposes are used with height-adjustable floor surfaces in Form equipped by several platforms. To such Buildings count e.g. Multipurpose halls, or Meeting places, sports and games venues, exhibition and Presentation rooms, as well as special ones Production sites, e.g. Theater stages, concert stages, or special manufacturing or assembly areas in industrial or artisanal production or assembly rooms. To temporarily adjust the spatial environment a special usage requirement or a specific one Appearance or to achieve a specific one Work preparation or a specific work process floor spaces are often used in such rooms, or table tops in different height settings set.

It is common to have a larger floor area in several Subdivide subareas, and this in turn with adjustable platforms to occupy, and as needed or appearance, both a singular, or a any number of platforms from a floor form, e.g. to form a step-like grandstand, or a stage elevated relative to its surroundings or deeper sinking, or also to form a Table shape.

There have been many of them in the past height-adjustable platforms or lifting tables and the like given, but which are designed in such a way that at least one below each such facility, often also several lifting devices and associated ones Drive machines or other drive elements are provided. This is with a large number of adjustable platforms due to the complex lifting technology and drive technology expensive to buy, and also in operating and Maintenance costs economically disadvantageous.

To avoid these disadvantages, it is advantageous and provided according to the invention, the largest possible number each individually and independently adjustable Platforms with the smallest possible number of Lifting devices, especially electric drive machines or hydraulic or pneumatic pressure drives operate.

Various proposals have been made in the past for this made. It is from DE 25 45 074 / GM 299 00 495.3 / 298 14 246.5 known, a larger number adjacent height-adjustable platforms independently of each other using one, or a very small Number of mobile or mobile lifting devices and Adjustment devices in different altitudes spend, and then support with support devices. However, here is only the simultaneous, or synchronous Adjustment of several platforms only with one Number of mobile or mobile lifting devices and Adjustment devices possible. I.e. the simultaneous and synchronous adjustment of a large number of platforms requires an equal number of lifting drives and Driving machines. In the document 299 03 147.0 are still adjustable room facilities known, each independently in a successive Adjustment by means of mobile adjustment devices and Drive machines adjusted, and then one Adjustment locked with a foundation, and by one mobile adjustment device can be solved. But here too is only a simultaneous and synchronous adjustment of several adjustable room furnishings only with the same number of mobile drive devices and drive machines possible. Another disadvantage is that the adjustment of Room furnishings need more time because of an adjustment First a mobile lifting device or adjustment device to a room device to be adjusted in each case must be brought up. They also need mobile ones Adjustment devices and drive devices Guideways and a special installation space, or large work space and an increased space requirement, and are therefore not always applicable in practice, or executable. Also feeding large electrical or hydraulic or pneumatic energy quantities to the is drivable in some Areas of application not possible. Hence it is in such In cases where a fixed drive makes sense, in particular Provide drive motors and the like.

Also in font 91 06215 is a height adjustable Pedestal known, which is articulated by scissor jacks, has a spindle drive and is driven with it is, and this in turn from a central through a Pedestal is driven through the drive shaft leading through it, and several similar pedestals in a row are stackable, and the ends of the central drive shaft one below the other with coupling pieces are coupled, and several such central shaft pieces with connected to a common electric geared motor are, which means that several are directly strung together Pedestals in sync and at the same time by a drive motor are adjustable.

In the document DE 31 00 163 is still an adjustable height Pedestal known for stages, which with several similar pedestals can be lined up, and a each pedestal is equipped with several support scissors, which in each case on the upper part (upper frame) of the pedestal Slidably guided, and with one each Slide pin assigned to the upper frame in different holes can be locked.

To raise the pedestal are on the lower part (Subframe) of each pedestal in addition to the Support scissors lift scissors arranged by a threaded spindle also located on the subframe are driven. A larger number of such pedestals at the same time it is intended that the both ends of the threaded spindles in the course of Lining up several pedestals with one each plug-in coupling insertable between two spindle ends connected and thus to a uniform drive train be put together, and at the open end of one Threaded spindle of a first or last connected Pedestal a drive motor is attached, which the entire drive train and the powered scissors drives simultaneously and synchronously. While this is one suitable measure for saving drive machines, Motors and the like. However, every platform is also here own hoist assigned in the form of two lifting shears, which in turn has its own drive components (spindle nuts) and guides and the like, and therefore again the Make acquisition or maintenance uneconomical. Likewise, the large number of those with wear Drive parts (spindles and spindle nuts) not economically sensible.

To avoid these disadvantages, 1 213 590 a grandstand known from several individual platforms is formed, the tops of which are in the lowest Operating height of the platforms at a uniform altitude with an adjacent floor, and below the A pit is arranged in which the platforms Platforms protrude with their underside and on one Storage is stored in the pit. With these Platforms are converted to a gradual one rising grandstand in such a way that in the pit Adjustment mechanism are arranged from several carriers, which are in their length below several platforms extend and on its top a step-like backdrop have, and on its underside with a hydraulic operated lifting and lowering device are articulated, and the Carrier will be raised, and with continued raising of the Carriers gradually to the platforms above strike, support them and gradually move upwards take.

This configuration is due to its uncomplicated Construction particularly inexpensive, and also special simple to use and based on the basic idea however, the gradation height and direction of slope is advantageous this grandstand is not adjustable, but through the rigid formation of the step-like backdrop given. With this construction, only one can any number of platforms in a given order depending on a previous level be raised or adjusted, and the individual Adjustment of one or more within the group platforms are not possible. It is the same did not provide multiple platforms in a unified Altitude to be built up to a stage.

To avoid these disadvantages, it is according to the invention provided that several adjacent platforms of are carried by a common lifting and lowering device, and are carried to different heights by means of them, and the platforms in their usable height setting are individually adjustable independently of each other. In a new way, everyone is not as usual Platform assigned its own full drive or partial drive, but one about the scope of multiple platforms extending and acting drive provided, or each by size or number of platforms is a relative to that Number of platforms lower number of lifting devices and drives provided.

According to the invention, this is in the specific embodiment thereby achieved that several lying side by side Platforms are arranged, and above, or below, or to the side of these platforms and preferably parallel to the short outer legs of the platform outsides a singular or depending on the static requirements resulting from the size (Range) of platforms, one relative to the number of Platforms with a smaller number of structures are arranged, which in turn is carried by lifting and lowering devices and the structures are above or below the Footprint, or along the short outer sides of several Extend platforms.

The individual setting of the platforms can be done in two Functional variants take place.

Function variant 1

In this function variant (FIGS. 1 to 7) it is provided that that multiple platforms P, from a singular, or relative to the number of platforms from a minority of Structures T, are carried, and the structures T, in turn connected to lifting and lowering drives H, and through this in their altitude are changeable, and the height adjustment and subsequent setting of the platforms P, in a desired one Altitude takes place in such a way that the platforms by means of one or more structures at a uniform altitude up to the height of the highest platform to be set be raised, and the individual height adjustment of the Platforms P, from the following downward movement of the Structure T, which is done by additional each platform P, associated support devices S, is reached, which a respective platform P, on one of the support devices S, assigned foundation F, support. That is, the Support devices S are used before lowering the platforms P, brought into their effective operating position, and the load the platforms become their continual downward movement transferred from the supporting structure T to the supporting devices S. The number and effective height of the support devices S can be here individually to the desired number and height of adjustment Platforms P, set up or dimensioned.

Function variant 2

In a further functional variant (FIGS. 8 to 11) it is provided that the number, selection or desired Setting height of the platforms P, before lifting or Lowering or before their height adjustment takes place. this will achieved according to the invention in that in each case one platform P, one or more drivers M, are assigned, and the Driver M, for activation between a platform P, and a common structure T, coupled, or introduced or be set, and for the purpose of different Height adjustment of the platforms P, from the drivers M, one backdrop individually adjustable in several altitudes or Entrainment sequence can be formed. That is, the platforms P, are individually and independently of one another common structure T, coupled, or in the upward movement of the structure T, in driving connection to this brought, and by the common lifting and lowering device H, or drive device forcibly synchronized with each other raised or lowered.

In an alternative embodiment of the invention and according to the Function variants one and two are also possible (without graphical representation) that one covers the floor area or the scope of multiple platforms extending structure also outside of the outside Platforms can be arranged, and the coupling of Platforms on a supporting structure to the side of the platforms and the Structure takes place, or a structure (Fig. 12-13) as well can be arranged above the platforms P, and from movable suspension elements, T, such as suspension cables, T, or suspension chains and the like. Can be formed, and a plurality of suspension means T ,. a rope drum are wound, or around sprockets are guided and driven together, e.g. through the Driven by a common machine drive H, and the like. It is also possible in the sense of the invention that the platforms P, connected to traction means or suspension means are, and the suspension means to a remote common Structure T, are guided, and the traction means or suspension means provided with coupling elements M that can be coupled and can be coupled to a common structure.

Fig. 1 bis 7 zeigen die Ausgestaltung und die Funktionsweise der Erfindung nach der Funktionsvariante 1. Hier sind mehrere nebeneinander liegende Plattformen und zwei unterhalb der Plattformen sich erstreckende Hebe- und Senkeinrichtungen, bestehend aus horizontal ausgerichteten, in ihrer Länge sich über den Wirkungsbereich mehrerer Plattformen sich erstreckenden Trägern dargestellt, welche von hydraulischen Druckantrieben (Druckzylinder) angetrieben sind. Alternativ zu den Hydraulikzylindern sind ebenso mechanische Antriebe möglich, z.B. Spindelantriebe, Zahnstangenantriebe, Zahnradantriebe. Ebenso können die Träger mit Scherenhebern oder Hebearmen angelenkt sein, und die Träger seitlich außerhalb der Plattformen, oder oberhalb der Oberseite der Plattformen angeordnet sein, und die Hebe- und Senkeinrichtung mit Zugmitteln, z.B. Hebeseile oder Ketten oder Hebebändern oder Hebestangen und dergl. ausgestaltet, und mit den Plattformen verbunden sein.

Fig. 1 zeigt den Grundriß mehrerer Plattformen und ein darunter liegendes Tragwerk, welches aus zwei Trägern und unterhalb der Träger untergeordnete und die Träger antreibende Hydraulikantrieben gebildet ist, (gestrichelte Darstellung).

Fig. 2 zeigt den Schnitt durch mehrere Plattformen, einen Träger und zwei Hydraulikantriebe, wobei sich die Plattformen, der Träger in einer einheitlichen, unteren Höhenlage befinden und die Plattformen dabei auf dem Träger auf liegen.

Fig. 3 zeigt das Ausheben des Trägers mittels der hydraulischen Druckantriebe und das Mitnehmen der über dem Träger angeordneten Plattformen, welche in einheitlicher Höhenlage, durch den Angriff des Trägers gleichzeitig angehoben werden. Neuartig ist hierbei die Anordnung der Mitnehmer auf dem Träger, die es in neuer Weise erlauben, daß die Plattformen in einheitlicher Höhenlage unterstützt und von dem Träger in eine gewünschte Höhenlagen getragen werden.

Fig. 4 zeigt die Plattformen in einer stufenweise fallenden Tribüneneinstellung, welche durch die Unterstützung der Platt formen mit Stützeinrichtungen unterschiedlicher Höhenmaße erreicht wird, während sich der Träger von den Plattformen gelöst hat und bereits wieder in seine untere Grundstellung abgesenkt ist. Die Plattformen werden jetzt von den Stützeinrichtungen getragen und mittels dieser gegen ein Fundament hin abgestützt.

Fig. 5 zeigt eine ebenfalls stufenartige Tribüne, jedoch mit einer ansteigenden Aufstellung der Plattformen welche durch die relativ zu der Fig. 4, umgekehrte Höheneinstellung der Stützeinrichtungen erreicht wird.

Fig. 6 zeigt eine beliebige Auswahl von Plattformen, welche zudem keine gleichmäßige Abstufungshöhe relativ zueinander aufweisen, sondern zu einer nicht systematischen Aufstellung aufgebaut, und mit Stützeinrichtungen unterschiedlicher Wirkhöhe und Anordnung unterstützt sind. Das heißt, die Stützeinrichtungen können in ihrer Wirkhöhe und Anzahl beliebig bzw. verschiedenartig angeordnet sein.

Fig. 7 zeigt einen Schnitt gemäß Fig. 1 mit einer Plattform und der Verstelleinrichtung, und beispielhaft, verschiedene Arten von Stützeinrichtungen, zur Unterstützung der Plattformen. Darunter sind neigungsverstellbare Stützen wie Y-förmige Scherenstützen, X-förmige Scherenstützen, oder Stützböcke, sowie auch schwenkbare Stützeinrichtungen oder teleskopisch längenverstellbare und versenkbare Stützsäulen, oder einteilige Säulenstützen. Auch andere in ihrer Tragfähigkeit und Standfestigkeit geeignete Stützeinrichtungen sind möglich. Ebenso können die Stützeinrichtungen auch an den Außenseiten der Plattformen angeordnet sein. Anstelle der vorherig beschriebenen Stützeinrichtungen ist es ebenso möglich, (ohne zeichnerische Darstellung) daß die Abstützung der Plattformen in der Weise erfolgt, daß Stützeinrichtungen, z.B. Tragwände oder Tragsäulen außerhalb der Grundfläche der Plattformen angeordnet sind, und die Plattformen mittels beweglicher bzw. individuell aktivierbarer Verriegelungen oder Halteeinrichtungen gegen die Tragwerke abgestützt, bzw. mit diesen verriegelt werden.

Figuren 8 bis 11 zeigen die Erfindung nach der Funktionsvariante 2, wobei das Tragwerk mit mehreren Mitnehmern ausgestaltet ist welche zu einer verstellbaren bzw. veränderbaren Kulisse ausgebildet ist, und die Mitnehmer in dem dargestellten Beispiel säulenartig ausgebildet sind, und die Mitnehmer vor einer durchzuführenden Höhenverstellung in der Weise auf dem Tragwerk aufgebaut bzw. eingerichtet werden, daß eine gewünschte Anzahl und Höheneinstellung voreingestellt wird. Anstelle der Säulen können auch andere einstellbare, zuschaltbare oder höhenveränderliche Mitnehmer auf einem Tragwerk angeordnet sein. Ebenso ist es möglich, daß ein Tragwerk seitlich außerhalb der Plattformen angeordnet ist, und die Mitnehmer aus einsteckbaren Bolzen oder Riegel und dergl. gebildet sind. Hier erfolgt die Höheneinstellung der Plattformen vor, oder im Zuge der Aufwärtsbewegung des Tragwerkes T.

Fig. 8: Schnitt durch mehrere Plattformen P, welche in einheitlicher Höhenlage auf einem Fundament F, abgestützt sind, und das Tragwerk T, sich in einer Ruheposition unterhalb der Plattformen P, befindet. Das Tragwerk T, ist mit Positionsorganen für die Anbringung von Mitnehmern M, ausgestattet.

Fig. 9: Schnitt durch mehrere Plattformen P, wobei das Tragwerk T, mit Mitnehmern M, bestückt ist, und die Mitnehmer M, sich bereits in den Positionsorganen und in einer der gewünschten Anzahl und Einstellhöhe der Plattformen P, entsprechenden Anordnung und Einstellung befinden. Das Tragwerk T, und die Mitnehmer M, sind hierbei noch nicht in Mitnahmeposition zu den Plattformen.

Fig. 10: Schnitt durch mehrere Plattformen P, in einer Zwischenphase der Aufwärtsbewegung des Tragwerkes T, wobei die Mitnehmer M, aus der fortwährenden Aufwärtsbewegung des Tragwerkes T, stufenweise an den Plattformen P, angreifen, und diese tragen, während das Fundament F, auf dem die Plattformen P, bis dahin gelagert sind gleichzeitig mit der Lastübernahme auf das Tragwerk T, entlastet wird.

Fig. 11: Schnitt durch mehrere Plattformen P, in der gewünschten Endstellung der Plattformen. Hierbei sind alle durch die Voreinstellung der Mitnehmer M, aktivierten Plattformen P, in ihrer Endstellung angelangt.

Fig. 12: Schnitt durch mehrere Plattformen P, welche von einem gemeinsamen Tragwerk T, getragen werden, wobei das Tragwerk T, aus Tragseilen gebildet ist, welche auf eine Seiltrommel aufgewickelt sind, und von einem gemeinsamen Antrieb H, angetrieben werden. Die Mitnehmer sind hier in Form von Hebeanschlägen ausgebildet, welche die Tragseile mit den Plattformen P, verbinden.

Fig. 13: Schnitt durch mehrere Plattformen P, wobei die Tragseile T, von den Plattformen P, gelöst sind, und die Plattformen P, in einer stufenweise Höheneinstellung auf Stützeinrichtungen S, abgestützt sind, und die Mitnehmer M, und das Tragwerk T, von den Plattformen P, abgekoppelt sind.

For better illustration and representation of the invention, this is documented in the following exemplary design variants in the accompanying drawings.

1 to 7 show the design and the mode of operation of the invention according to function variant 1. Here are several platforms lying next to one another and two lifting and lowering devices extending below the platforms, consisting of horizontally oriented, in length over the effective range of several platforms extending carriers shown, which are driven by hydraulic pressure drives (pressure cylinder). As an alternative to the hydraulic cylinders, mechanical drives are also possible, e.g. spindle drives, rack drives, gear drives. Likewise, the carriers can be articulated with scissor lifters or lifting arms, and the carriers can be arranged laterally outside the platforms, or above the top of the platforms, and the lifting and lowering device can be designed with traction means, for example lifting ropes or chains or lifting straps or lifting rods and the like. and be connected to the platforms.

Fig. 1 shows the floor plan of several platforms and an underlying structure, which is formed from two beams and subordinate below the beams and the drive hydraulic drives (dashed line).

Fig. 2 shows the section through several platforms, a carrier and two hydraulic drives, the platforms, the carrier are in a uniform, lower altitude and the platforms are on the carrier.

Fig. 3 shows the lifting of the carrier by means of the hydraulic pressure drives and the entrainment of the platforms arranged above the carrier, which are raised at a uniform height by the attack of the carrier at the same time. What is new here is the arrangement of the drivers on the carrier, which allow the platforms to be supported at a uniform height and carried by the carrier to a desired height in a new way.

Fig. 4 shows the platforms in a gradually falling grandstand setting, which is achieved by supporting the plat forms with support devices of different heights, while the carrier has detached from the platforms and is already lowered back into its lower basic position. The platforms are now carried by the support devices and are supported by them against a foundation.

FIG. 5 shows a likewise step-like grandstand, but with an increasing set-up of the platforms which is achieved by the height adjustment of the support devices, which is reversed relative to FIG. 4.

6 shows an arbitrary selection of platforms which, moreover, do not have a uniform gradation height relative to one another, but rather are built up to a non-systematic arrangement, and are supported with support devices of different effective height and arrangement. This means that the height and number of the support devices can be arranged as desired or differently.

FIG. 7 shows a section according to FIG. 1 with a platform and the adjustment device and, by way of example, different types of support devices for supporting the platforms. These include tilt-adjustable supports such as Y-shaped scissor supports, X-shaped scissor supports, or trestles, as well as swiveling support devices or telescopically adjustable and retractable support columns, or one-piece column supports. Other support devices that are suitable in terms of their load-bearing capacity and stability are also possible. The support devices can also be arranged on the outer sides of the platforms. Instead of the previously described support devices, it is also possible (without a graphic representation) for the platforms to be supported in such a way that support devices, for example supporting walls or supporting columns are arranged outside the base area of the platforms, and the platforms by means of movable or individually activatable locks or holding devices are supported against the structures or locked with them.

Figures 8 to 11 show the invention according to the functional variant 2, wherein the structure is designed with a plurality of drivers which is formed to an adjustable or changeable backdrop, and the drivers are columnar in the example shown, and the drivers before a height adjustment to be carried out in the way to be built or set up on the structure that a desired number and height setting is preset. Instead of the columns, other adjustable, switchable or height-variable drivers can also be arranged on a supporting structure. It is also possible that a supporting structure is arranged laterally outside the platforms, and the drivers are formed from insertable bolts or bolts and the like. Here the platforms are adjusted in height, or in the course of the upward movement of the supporting structure T.

Fig. 8: Section through several platforms P, which are supported at a uniform height on a foundation F, and the structure T, is in a rest position below the platforms P. The supporting structure T is equipped with position elements for attaching drivers M.

Fig. 9: Section through several platforms P, the structure T, is equipped with drivers M, and the drivers M, are already in the position organs and in a desired number and setting height of the platforms P, corresponding arrangement and setting. The structure T, and the driver M, are not yet in the driving position to the platforms.

Fig. 10: Section through several platforms P, in an intermediate phase of the upward movement of the supporting structure T, the drivers M, from the continuous upward movement of the supporting structure T, gradually attacking the platforms P and carrying them on, while the foundation F. which the platforms P, until then stored at the same time as the load transfer to the structure T, are relieved.

Fig. 11: Section through several platforms P, in the desired end position of the platforms. In this case, all of the platforms P activated by the setting of the drivers M have reached their end position.

Fig. 12: Section through several platforms P, which are supported by a common supporting structure T, the supporting structure T being formed from supporting cables, which are wound on a cable drum, and are driven by a common drive H. The drivers are designed here in the form of lifting stops, which connect the carrying cables to the platforms P.

Fig. 13: Section through several platforms P, the support cables T, from the platforms P, are released, and the platforms P, are supported in a stepwise height adjustment on support devices S, and the drivers M, and the supporting structure T, of the platforms P, are uncoupled.

Claims (9)

Height-adjustable floor area, in particular for the construction of stages and grandstands or also adjustable table areas and the like, consisting of several platforms P lying next to one another, each forming a partial area of the adjustable floor area, and the formation of a stage or grandstand by the height adjustment of the platforms P. For which purpose the platforms P are moved from a current structure to a changed new altitude, in order to save many individually assigned lifting drives, each from a common structure T, for which purpose the common structure T, again with or relative to the number the platforms P, a smaller number of lifting and lowering drives H, is connected, and is articulated by or is driven by the lifting and lowering drives H, and the height adjustment of the platforms P, by a current coupling of the same, or their Linkage elements to a common adjustable s structure T takes place, or the platforms or their articulation elements are coupled into a momentary driving connection to a common structure, and the adjustable structure T extends over the effective range or spatial arrangement area of the platforms P, or their articulation elements,
characterized in that
one or more of the common adjustable structure T, adjustable platforms P, individually and independently of a previous or subsequent, or adjacent platform P, adjustable and usable in one or more operational heights, and several platforms P, both in one uniform height to a uniform total area consisting of several platforms P, can be formed with a variable area size, or a total area formed by height adjustment from several platforms P, can be variably adjusted in its base area size, and the platforms P, also for the formation of a step-like rising or falling grandstands are adjustable and usable, and the number or sequence of platforms P to be formed into a stage or grandstand can be individually adjusted. Height-adjustable floor area according to claim 1,
characterized in that
the individual setting of the platforms P, in their usable operating height, by means of support devices S which are individually assigned to each platform and individually adjustable or set in their effective height, or similarly effective holding devices carrying the platforms, or in another variant, the respective individual height adjustment of one or several platforms P, by means of an individually adjustable, or adjustable, assigned between a platform P, and a common supporting structure T, and between a platform P, and a common supporting structure T, attachable carrier M. Height-adjustable floor surface according to claim 1 or 2,
characterized in that
the momentary entrainment connection between a platform P, or its articulation elements and an adjustable common supporting structure T, preferably, is a form-fitting connection counteracting between the load direction and the drive direction from mutually stressing contact surfaces, or in an alternative variant, the entrainment connection by means of a comprehensive or engaging non-positive clamp connection or clamping connection, and the coupling of a platform P, or its articulation elements to a common adjustable support structure T can be done continuously or stepwise. Height-adjustable floor area according to one of claims 1 to 3,
characterized in that

a common adjustable support structure T, provided for the simultaneous adjustment of several platforms P, can be arranged both below, or laterally outside, or also above the platforms P, and a common support structure can be designed in various ways, for example from flexible lifting means, suspension means, traction means such as ropes, chains, and the like, which are wound on a winding drum driven together with several or engaging in a sprocket driven together with several, or which can currently be coupled to a common drive unit, or an adjustable supporting structure also made of dimensionally stable lifting means, for example rods, rods, and the like can be formed, which are each attached to a platform P, or their articulation members, and are driven by a common drive H, or in a preferred embodiment, a common adjustable supporting structure T, is formed from one or more supports T, and one each he carrier T, extends over the effective range of several platforms, or their articulation elements, and a carrier T, carries several carriers M individually connectable to one or more platforms P, or their articulation elements, or several coupling elements interacting with the platforms or their entrainment elements. Height-adjustable floor surface according to one of claims 1 to 4,
characterized in that
the lifting device H provided for the articulation and driving of an adjustable supporting structure T, can be designed in various ways, for example as a scissor lift or adjustable lifting arm, or as a cable drive, or chain drive, or rod drive, or spindle drive and the like. or as a pneumatic drive or in a preferred one Design as a hydraulic pressure drive. Height-adjustable floor surface according to one of claims 1 to 5,
characterized in that
the number of adjustable structures T, and drives and drive machines H, is less than the number of platforms P. Height-adjustable floor area according to one of claims 1 to 6,
characterized in that
the coupling provided between a platform P, or its articulation members and a common adjustable support structure T, is designed as a driving connection, and the driving connection preferably has no drive ratio or reduction. Height-adjustable floor surface according to one of claims 1 to 7,
characterized in that
a driver M that can be coupled between an adjustable platform P, or its articulation elements and a common adjustable support structure T, can be designed in various ways, for example, in terms of its effective length relative to a common support structure T, and a platform P, adjustable or adjustable driver, or as a bolt, or bolt which, for the purpose of adjusting a platform P, is guided into a driving position relative to a platform or its articulation elements and the common adjustable support structure T, or a between a common adjustable support structure T, and a platform P, or its articulation elements Driver M, is designed as a clamping coupling or tension coupling, which achieves a stepless coupling. Height-adjustable floor area according to one of claims 1 to 8,
characterized in that
the coupling of the platforms P, or their articulation elements to a common adjustable supporting structure T, can take place both in the direct spatial association and proximity of the platforms P, or the platforms P, or their articulation elements are connected to traction means or load means, and the traction Support means to a remote, or in another spatial position arranged common support structure T, are guided, and to this by means of the drivers M, can be coupled or uncoupled at the moment, and the adjustable support structure T, thus a remote linkage for the platforms P.

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