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EP3244859A1 - Seating furniture chassis having a height-adjustable seat surface - Google Patents

Seating furniture chassis having a height-adjustable seat surface

Info

Publication number
EP3244859A1
EP3244859A1 EP16700289.8A EP16700289A EP3244859A1 EP 3244859 A1 EP3244859 A1 EP 3244859A1 EP 16700289 A EP16700289 A EP 16700289A EP 3244859 A1 EP3244859 A1 EP 3244859A1
Authority
EP
European Patent Office
Prior art keywords
seat
threaded rod
chassis
shaft
seating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16700289.8A
Other languages
German (de)
French (fr)
Other versions
EP3244859B1 (en
Inventor
Michael Mackert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innotec Motion GmbH
Original Assignee
Innotec Motion GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innotec Motion GmbH filed Critical Innotec Motion GmbH
Priority to PL16700289T priority Critical patent/PL3244859T3/en
Publication of EP3244859A1 publication Critical patent/EP3244859A1/en
Application granted granted Critical
Publication of EP3244859B1 publication Critical patent/EP3244859B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/26—Chairs or stools with vertically-adjustable seats with vertical, or inclined toothed rack; with peg-and-notch mechanism
    • A47C3/265—Chairs or stools with vertically-adjustable seats with vertical, or inclined toothed rack; with peg-and-notch mechanism with rack-and-pinion gearing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1059—Arrangements for adjusting the seat adjusting the height of the seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1075—Arrangements for adjusting the seat tilting the whole seat backwards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/14—Standing-up or sitting-down aids

Definitions

  • the present invention relates to a seating furniture chassis with a height-adjustable seat according to the preamble of the first claim.
  • the seating furniture chassis can thus for example be a construction of metal and / or other
  • a seating furniture chassis with a height-adjustable seat is already known from the prior art.
  • Sitting area is especially beneficial for physically restricted
  • the height of the seat can be reduced so that he can assume a comfortable sitting position.
  • the seating chassis includes a height adjustable seat, a drive means, a shaft, a height adjustment mechanism and a threaded rod.
  • the drive means is coupled to the shaft and for transmitting torque through the shaft to the shaft
  • Threaded rod formed.
  • the height adjustment mechanism is coupled to the threaded rod and the seat so that rotation of the threaded rod through the
  • a longitudinal axis of the shaft is not arranged parallel to a longitudinal axis of the threaded rod.
  • the longitudinal axis is to be understood as meaning in particular in each case the axis in which the shaft or the threaded rod has the greatest extent.
  • the longitudinal axis can, for example, run in the direction of the angular momentum vector when the shaft or threaded rod rotates.
  • the threaded rod can therefore be set in rotation by means of the drive means. This rotation triggers a height adjustment of the
  • Threaded rod runs. There, however, this mechanism is not used to save space. Because this is with
  • Table furniture usually enough available. In addition, no comparatively large loads of mechanics occur in table furniture.
  • the seating furniture chassis may comprise a bevel gear, which is connected to the shaft and the
  • Threaded rod is coupled so that the torque can be transmitted from the shaft to the threaded rod via the bevel gear.
  • the bevel gear is used because the longitudinal axes of the shaft and the threaded rod are not arranged parallel to each other.
  • the bevel gear can be formed as a helical bevel gear. This has the advantage of better torque transmission.
  • the seating furniture chassis may comprise a further threaded rod which is coupled via the shaft to the drive means.
  • the further threaded rod may be similar or designed as the previously mentioned
  • Threaded rod The use of the additional threaded rod increases the stability of the mechanism. According to one embodiment of the invention, it is possible that a longitudinal axis of the further threaded rod is not parallel to the
  • the seating furniture chassis may comprise a further bevel gear, which with the other
  • Threaded rod and the shaft is coupled.
  • Bevel gear be designed as a helical bevel gear.
  • Height adjustment mechanism be coupled with the threaded rod and the seat so that at a height adjustment of the
  • an inclination of the seat can be triggered forward when raising the seat.
  • the term "front” is in particular the opposite of a backrest side of the seating furniture chassis
  • An inclination of the seat forward may mean that the front portion of the seat is lowered relative to the rear portion of the seat and / or the rear portion of the seat
  • the seat when the seat surface is lowered, the seat can be tilted backwards.
  • a tilt of the seat back may mean that the front portion of the seat relative to the rear area is raised and / or the rear portion of the seat is lowered relative to the front area.
  • the seating furniture chassis may comprise a backrest.
  • the backrest can be so with the
  • Height adjustment mechanism be coupled that at a
  • Height adjustment of the seat is a tilt of the backrest.
  • an inclination of the backrest can be triggered forward when raising the seat. Angling the backrest forwards may mean that an upper area of the backrest is moved forward and / or a lower area of the backrest is moved backwards.
  • the backrest when the seat surface is lowered, the backrest can be tilted backwards.
  • Rearward inclination of the backrest may mean that an upper portion of the backrest is moved rearward and / or a lower portion of the backrest is moved forward.
  • the longitudinal axis of the shaft can be arranged approximately at right angles to the longitudinal axis of the threaded rod. This arrangement is particularly space-saving.
  • Fig. 1 are schematic representations of a seating furniture chassis according to A-D of an embodiment of the invention
  • Fig. 2 is a schematic representation of the drive means
  • Fig. 3 is a schematic representation of the drive means, one of the threaded rods and the height adjustment means in a side view.
  • the seating chassis 100 includes a height adjustable seat 101 and a backrest 102.
  • the seat 101 is coupled to a height adjustment mechanism 103, which in turn is coupled to threaded rods 104.
  • the threaded rods 104 can be rotated by means of a drive means 105 in rotation. Upon rotation of the threaded rods 104, the height of the seat 101 is changed. This can be seen particularly well in FIGS. 1A to 1D.
  • a tilt of the backrest 102 when the height of the seat 101 is adjusted.
  • An upper portion of the seat back 102 is moved forward relative to a lower portion of the seat back 102 when the seat 101 is raised.
  • the upper portion of the seat back 102 is moved forward relative to a lower portion of the seat back 102 when the seat 101 is raised.
  • Backrest 102 moves relative to the lower portion of the backrest 102 to the rear.
  • the drive means 105 rotates a shaft (not shown).
  • the longitudinal axis of the shaft extends horizontally from one side of the seating furniture chassis to this side
  • the sides are arranged in the usual position of use of the seating furniture chassis right and left sides. These are the sides where neither the backrest is located nor the backrest opposite.
  • FIG. 3 shows how the height adjustment mechanism 103 is coupled to the threaded rods 104, so that a rotation of the threaded rods 104 results in a height adjustment of the seat surface 101.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dentistry (AREA)
  • Legs For Furniture In General (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to a seating furniture chassis (100), comprising a height-adjustable seat surface (101), a driving means (105), a shaft, a height adjustment mechanism (103), and a threaded rod (104), wherein the driving means (105) is coupled to the shaft and is designed to transmit a torque to the threaded rod (104) by means of the shaft, and wherein the height adjustment mechanism (103) is coupled to the threaded rod (104) and to the seat surface (101) in such a way that rotation of the threaded rod (104) is converted into a height adjustment of the seat surface (101) by means of the height adjustment mechanism (103), wherein a longitudinal axis of the shaft is not arranged parallel to a longitudinal axis of the threaded rod (104).

Description

Sitzmöbelchassis mit einer höhenverstellbaren Sitzfläche  Seating furniture chassis with a height-adjustable seat
Die vorliegende Erfindung betrifft ein Sitzmöbelchassis mit einer höhenverstellbaren Sitzfläche gemäß dem Oberbegriff des ersten Anspruchs. The present invention relates to a seating furniture chassis with a height-adjustable seat according to the preamble of the first claim.
Unter einem Sitzmöbelchassis wird im Rahmen dieser Erfindung insbesondere eine Konstruktion verstanden, die als Grundgerüst eines Sitzmöbels eingesetzt wird. Das Sitzmöbelchassis kann also beispielsweise eine Konstruktion aus Metall und/oder anderen Under a Sitzmöbelchassis is understood in the context of this invention, in particular a construction that is used as a backbone of a chair. The seating furniture chassis can thus for example be a construction of metal and / or other
Werkstoffen sein, an der Polster, Bezug und weitere Bauteile des Sitzmöbels befestigt werden können.  Be materials on the upholstery, cover and other components of the chair can be attached.
Ein Sitzmöbelchassis mit einer höhenverstellbaren Sitzfläche ist aus dem Stand der Technik bereits bekannt. Die höhenverstellbare A seating furniture chassis with a height-adjustable seat is already known from the prior art. The height-adjustable
Sitzfläche ist vor allem vorteilhaft für körperlich eingeschränkte Sitting area is especially beneficial for physically restricted
Benutzer. Eine relativ hohe Sitzfläche ermöglicht ein einfaches User. A relatively high seat allows a simple
Aufstehen und Hinsetzen. Wenn der Benutzer sitzt, kann die Höhe der Sitzfläche verringert werden, sodass er eine bequeme Sitzposition einnehmen kann. Get up and sit down. When the user sits, the height of the seat can be reduced so that he can assume a comfortable sitting position.
Bekannte Mechaniken benötigen relativ viel Bauraum, sodass einigen Benutzern das Design derartiger Sitzmöbel nicht gefällt. Demgegenüber liegt der Erfindung die Aufgabe zugrunde, ein Known mechanics require a relatively large amount of space, so some users do not like the design of such chairs. In contrast, the invention is based on the object
Sitzmöbelchassis mit einer weniger Bauraum benötigenden Mechanik und ein Sitzmöbel mit einem solchen Sitzmöbelchassis zu schaffen  Seating furniture chassis with a less space-consuming mechanism and a seat to create furniture with such a seating
Diese Aufgabe wird durch ein Sitzmöbelchassis gemäß Anspruch 1 und ein Sitzmöbel gemäß Anspruch 15 gelöst. Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen angegeben. Das Sitzmöbelchassis umfasst eine höhenverstellbare Sitzfläche, ein Antriebsmittel, eine Welle, einen Höhenverstellungsmechanismus und eine Gewindestange. Das Antriebsmittel ist mit der Welle gekoppelt und zur Übertragung eines Drehmoments über die Welle an die This object is achieved by a seating furniture chassis according to claim 1 and a chair according to claim 15. Embodiments of the invention are indicated in the dependent claims. The seating chassis includes a height adjustable seat, a drive means, a shaft, a height adjustment mechanism and a threaded rod. The drive means is coupled to the shaft and for transmitting torque through the shaft to the shaft
Gewindestange ausgebildet. Der Höhenverstellungsmechanismus ist so mit der Gewindestange und der Sitzfläche gekoppelt, dass eine Rotation der Gewindestange durch den Threaded rod formed. The height adjustment mechanism is coupled to the threaded rod and the seat so that rotation of the threaded rod through the
Höhenverstellungsmechanismus in eine Höhenverstellung der  Height adjustment mechanism in a height adjustment of
Sitzfläche umgesetzt wird. Seat is implemented.
Erfindungsgemäß ist vorgesehen, dass eine Längsachse der Welle nicht parallel zu einer Längsachse der Gewindestange angeordnet ist. Unter der Längsachse wird dabei insbesondere jeweils die Achse verstanden, in der die Welle beziehungsweise die Gewindestange die größte Ausdehnung aufweist. Die Längsachse kann beispielsweise bei einer Drehung der Welle bzw. der Gewindestange in Richtung des Drehimpulsvektors verlaufen. According to the invention, it is provided that a longitudinal axis of the shaft is not arranged parallel to a longitudinal axis of the threaded rod. In this case, the longitudinal axis is to be understood as meaning in particular in each case the axis in which the shaft or the threaded rod has the greatest extent. The longitudinal axis can, for example, run in the direction of the angular momentum vector when the shaft or threaded rod rotates.
Die Gewindestange kann also mittels des Antriebsmittels in Rotation versetzt werden. Diese Rotation löst eine Höhenverstellung der The threaded rod can therefore be set in rotation by means of the drive means. This rotation triggers a height adjustment of the
Sitzfläche aus. Seat out.
Durch die nicht parallele Anordnung der beiden Längsachsen Due to the non-parallel arrangement of the two longitudinal axes
zueinander wird Bauraum eingespart, da die beiden relativ langen Bauteile sich nicht in derselben Richtung erstrecken. Space is saved to each other, since the two relatively long components do not extend in the same direction.
Versuche haben überraschenderweise gezeigt, dass eine derartige Anordnung ausreichend Stabilität für den Einsatz bei einem Experiments have surprisingly shown that such an arrangement sufficient stability for use in a
Sitzmöbelchassis bietet. Dies war nicht zu erwarten, da auf die Seating furniture chassis offers. This was not to be expected on the
Mechanik bei relativ schweren Benutzern eine enorme Belastung wirkt, insbesondere wenn der Benutzer sich auf die Sitzfläche setzt. Von höhenverstellbaren Tischmöbeln ist bereits bekannt, dass die Längsachse der Welle nicht parallel zur Längsachse der Mechanics for relatively heavy users an enormous burden acts, especially if the user sits down on the seat. From height-adjustable table furniture is already known that the longitudinal axis of the shaft is not parallel to the longitudinal axis of the
Gewindestange verläuft. Dort wird diese Mechanik jedoch nicht eingesetzt, um Bauraum einzusparen. Denn dieser ist bei Threaded rod runs. There, however, this mechanism is not used to save space. Because this is with
Tischmöbeln üblicherweise ausreichend vorhanden. Außerdem treten bei Tischmöbeln keine vergleichbar große Belastungen der Mechanik auf. Table furniture usually enough available. In addition, no comparatively large loads of mechanics occur in table furniture.
Nach einer Ausführungsform der Erfindung kann das Sitzmöbelchassis ein Kegelradgetriebe umfassen, das mit der Welle und der According to one embodiment of the invention, the seating furniture chassis may comprise a bevel gear, which is connected to the shaft and the
Gewindestange gekoppelt ist, sodass das Drehmoment von der Welle auf die Gewindestange über das Kegelradgetriebe übertragen werden kann. Das Kegelradgetriebe wird eingesetzt, da die Längsachsen der Welle und der Gewindestange nicht parallel zueinander angeordnet sind.  Threaded rod is coupled so that the torque can be transmitted from the shaft to the threaded rod via the bevel gear. The bevel gear is used because the longitudinal axes of the shaft and the threaded rod are not arranged parallel to each other.
Nach einer Ausführungsform der Erfindung kann das Kegelradgetriebe als schrägverzahntes Kegelradgetriebe ausgebildet sein. Dies hat den Vorteil einer besseren Drehmomentübertragung. Bevor die According to one embodiment of the invention, the bevel gear can be formed as a helical bevel gear. This has the advantage of better torque transmission. Before the
Verbindung zweier Zähne gelöst wird, treten bereits zwei andere Zähne miteinander in Kontakt. Connection of two teeth is released, already two other teeth come into contact with each other.
Nach einer Ausführungsform der Erfindung kann das Sitzmöbelchassis eine weitere Gewindestange umfassen, die über die Welle mit dem Antriebsmittel gekoppelt ist. Die weitere Gewindestange kann ähnlich oder genauso ausgebildet sein wie die bereits zuvor erwähnte According to one embodiment of the invention, the seating furniture chassis may comprise a further threaded rod which is coupled via the shaft to the drive means. The further threaded rod may be similar or designed as the previously mentioned
Gewindestange. Die Verwendung der weiteren Gewindestange erhöht die Stabilität der Mechanik. Nach einer Ausführungsform der Erfindung ist es möglich, dass eine Längsachse der weiteren Gewindestange nicht parallel zur Threaded rod. The use of the additional threaded rod increases the stability of the mechanism. According to one embodiment of the invention, it is possible that a longitudinal axis of the further threaded rod is not parallel to the
Längsachse der Welle angeordnet ist. Es ist aber möglich, dass die Längsachsen der beiden Gewindestangen parallel zueinander angeordnet sind. Longitudinal axis of the shaft is arranged. But it is possible that the Longitudinal axes of the two threaded rods are arranged parallel to each other.
Nach einer Ausführungsform der Erfindung kann das Sitzmöbelchassis ein weiteres Kegelradgetriebe umfassen, das mit der weiteren According to one embodiment of the invention, the seating furniture chassis may comprise a further bevel gear, which with the other
Gewindestange und der Welle gekoppelt ist. Threaded rod and the shaft is coupled.
Nach einer Ausführungsform der Erfindung kann das weitere According to one embodiment of the invention, the other
Kegelradgetriebe als schrägverzahntes Kegelradgetriebe ausgebildet sein. Bevel gear be designed as a helical bevel gear.
Nach einer Ausführungsform der Erfindung kann der According to one embodiment of the invention, the
Höhenverstellungsmechanismus so mit der Gewindestange und der Sitzfläche gekoppelt sein, dass bei einer Höhenverstellung der Height adjustment mechanism be coupled with the threaded rod and the seat so that at a height adjustment of the
Sitzfläche gleichzeitig eine Neigung der Sitzfläche erfolgt. Dies ist insbesondere vorteilhaft, um einen Benutzer das Aufstehen und das Hinsetzen zu erleichtern. Seat at the same time a tilt of the seat takes place. This is particularly advantageous to facilitate a user's getting up and sitting down.
Nach einer Ausführungsform der Erfindung kann bei einer Anhebung der Sitzfläche eine Neigung der Sitzfläche nach vorne ausgelöst werden. Unter dem Begriff „vorne" wird dabei insbesondere die einer Rückenlehne gegenüberliegende Seite des Sitzmöbelchassis According to one embodiment of the invention, an inclination of the seat can be triggered forward when raising the seat. The term "front" is in particular the opposite of a backrest side of the seating furniture chassis
verstanden. Eine Neigung der Sitzfläche nach vorne kann bedeuten, dass der vordere Bereich der Sitzfläche relativ zum hinteren Bereich der Sitzfläche abgesenkt wird und/oder der hintere Bereich der Understood. An inclination of the seat forward may mean that the front portion of the seat is lowered relative to the rear portion of the seat and / or the rear portion of the seat
Sitzfläche relativ zum vorderen Bereich der Sitzfläche angehoben wird.  Seat is raised relative to the front portion of the seat.
Nach einer Ausführungsform der Erfindung kann bei einer Absenkung der Sitzfläche eine Neigung der Sitzfläche nach hinten ausgelöst werden. Eine Neigung der Sitzfläche nach hinten kann bedeuten, dass der vordere Bereich der Sitzfläche relativ zum hinteren Bereich angehoben wird und/oder der hintere Bereich der Sitzfläche relativ zum vorderen Bereich abgesenkt wird. According to one embodiment of the invention, when the seat surface is lowered, the seat can be tilted backwards. A tilt of the seat back may mean that the front portion of the seat relative to the rear area is raised and / or the rear portion of the seat is lowered relative to the front area.
Nach einer Ausführungsform der Erfindung kann das Sitzmöbelchassis eine Rückenlehne umfassen. Die Rückenlehne kann so mit dem According to one embodiment of the invention, the seating furniture chassis may comprise a backrest. The backrest can be so with the
Höhenverstellungsmechanismus gekoppelt sein, dass bei einer Height adjustment mechanism be coupled that at a
Höhenverstellung der Sitzfläche eine Neigung der Rückenlehne erfolgt. Nach einer Ausführungsform der Erfindung kann bei einer Anhebung der Sitzfläche eine Neigung der Rückenlehne nach vorne ausgelöst werden. Eine Neigung der Rückenlehne nach vorne kann bedeuten, dass ein oberer Bereich der Rückenlehne nach vorne bewegt wird und/oder ein unterer Bereich der Rückenlehne nach hinten bewegt wird. Height adjustment of the seat is a tilt of the backrest. According to one embodiment of the invention, an inclination of the backrest can be triggered forward when raising the seat. Angling the backrest forwards may mean that an upper area of the backrest is moved forward and / or a lower area of the backrest is moved backwards.
Nach einer Ausführungsform der Erfindung kann bei einer Absenkung der Sitzfläche eine Neigung der Rückenlehne nach hinten ausgelöst werden. Eine Neigung der Rückenlehne nach hinten kann bedeuten, dass ein oberer Bereich der Rückenlehne nach hinten bewegt wird und/oder ein unterer Bereich der Rückenlehne nach vorne bewegt wird. According to one embodiment of the invention, when the seat surface is lowered, the backrest can be tilted backwards. Rearward inclination of the backrest may mean that an upper portion of the backrest is moved rearward and / or a lower portion of the backrest is moved forward.
Nach einer Ausführungsform der Erfindung kann die Längsachse der Welle in etwa rechtwinklig zur Längsachse der Gewindestange angeordnet sein. Diese Anordnung ist besonders bauraumsparend. Weitere Merkmale und Vorteile der vorliegenden Erfindung werden deutlich anhand der nachfolgenden Beschreibung bevorzugter According to one embodiment of the invention, the longitudinal axis of the shaft can be arranged approximately at right angles to the longitudinal axis of the threaded rod. This arrangement is particularly space-saving. Other features and advantages of the present invention will become more apparent from the following description
Ausführungsbeispiele unter Bezugnahme auf die beiliegenden Embodiments with reference to the accompanying
Abbildungen. Dabei werden für gleiche oder ähnliche Bauteile und für Bauteile mit den gleichen oder ähnlichen Funktionen dieselben Illustrations. The same or similar components and components with the same or similar functions are the same
Bezugszeichen verwendet. Darin zeigen: Reference numeral used. Show:
Fig. 1 schematische Darstellungen eines Sitzmöbelchassis nach A-D einer Ausführungsform der Erfindung; Fig. 1 are schematic representations of a seating furniture chassis according to A-D of an embodiment of the invention;
Fig. 2 eine schematische Darstellung des Antriebsmittels, der Fig. 2 is a schematic representation of the drive means, the
Gewindestangen und der Kegelradgetriebe von der  Threaded rods and the bevel gear of the
Rückseite des Sitzmöbelchassis; und  Rear of the seating chassis; and
Fig. 3 eine schematische Darstellung des Antriebsmittels, einer der Gewindestangen und des Höhenverstellungsmittels in einer Seitenansicht. Fig. 3 is a schematic representation of the drive means, one of the threaded rods and the height adjustment means in a side view.
Das Sitzmöbelchassis 100 umfasst eine höhenverstellbare Sitzfläche 101 und eine Rückenlehne 102. Die Sitzfläche 101 ist mit einem Höhenverstellungsmechanismus 103 gekoppelt, der wiederum mit Gewindestangen 104 gekoppelt ist. Die Gewindestangen 104 können mittels eines Antriebsmittels 105 in Rotation versetzt werden. Bei Rotation der Gewindestangen 104 wird die Höhe der Sitzfläche 101 verändert. Dies ist besonders gut in den Figuren 1A bis 1D zu erkennen. The seating chassis 100 includes a height adjustable seat 101 and a backrest 102. The seat 101 is coupled to a height adjustment mechanism 103, which in turn is coupled to threaded rods 104. The threaded rods 104 can be rotated by means of a drive means 105 in rotation. Upon rotation of the threaded rods 104, the height of the seat 101 is changed. This can be seen particularly well in FIGS. 1A to 1D.
Bei einer Höhenverstellung der Sitzfläche 101 erfolgt gleichzeitig eine Neigung der Sitzfläche 101. Wenn die Sitzfläche 101 abgesenkt wird, neigt sich der der Rückenlehne 102 zugewandte Bereich der At a height adjustment of the seat 101 is simultaneously an inclination of the seat 101. When the seat 101 is lowered, the backrest 102 facing region of the tilted
Sitzfläche nach unten relativ zum der Rückenlehne 102 abgewandten Bereich. Wenn die Sitzfläche 101 angehoben wird, neigt sich der der Rückenlehne 102 zugewandte Bereich der Sitzfläche nach oben relativ zum der Rückenlehne 102 abgewandten Bereich. Seat downwards relative to the backrest 102 remote area. When the seat 101 is raised, the tilting of the Backrest 102 facing portion of the seat upwards relative to the backrest 102 remote area.
Außerdem erfolgt eine Neigung der Rückenlehne 102, wenn die Höhe der Sitzfläche 101 verstellt wird. Ein oberer Bereich der Rückenlehne 102 wird relativ zu einem unteren Bereich der Rückenlehne 102 nach vorne bewegt, wenn die Sitzfläche 101 angehoben wird. Wenn die Sitzfläche 101 abgesenkt wird, wird der obere Bereich der In addition, a tilt of the backrest 102, when the height of the seat 101 is adjusted. An upper portion of the seat back 102 is moved forward relative to a lower portion of the seat back 102 when the seat 101 is raised. When the seat 101 is lowered, the upper portion of the
Rückenlehne 102 relativ zum unteren Bereich der Rückenlehne 102 nach hinten bewegt. Backrest 102 moves relative to the lower portion of the backrest 102 to the rear.
Das Antriebsmittel 105 versetzt eine Welle (nicht dargestellt) in Rotation. Die Längsachse der Welle verläuft dabei horizontal von einer Seite des Sitzmöbelchassis zur dieser Seite The drive means 105 rotates a shaft (not shown). The longitudinal axis of the shaft extends horizontally from one side of the seating furniture chassis to this side
gegenüberliegenden Seite des Sitzmöbelchassis. Die Seiten sind dabei die in der üblichen Gebrauchsstellung des Sitzmöbelchassis rechts und links angeordneten Seiten. Dies sind die Seiten, an denen weder die Rückenlehne angeordnet ist noch die der Rückenlehne gegenüber liegenden. opposite side of the seating chassis. The sides are arranged in the usual position of use of the seating furniture chassis right and left sides. These are the sides where neither the backrest is located nor the backrest opposite.
Die Rotation der Welle wird mittels Kegelradgetriebe 200 auf die Gewindestangen 104 übertragen. Daher ist es möglich, dass die Längsachsen der Gewindestangen 104 nicht parallel zur Längsachse der Welle verlaufen. Insbesondere in Figur 2 ist ersichtlich, dass die Längsachsen der Gewindestangen 104 in etwa rechtwinklig zur Längsachse der Welle verlaufen. The rotation of the shaft is transmitted by means of bevel gear 200 on the threaded rods 104. Therefore, it is possible that the longitudinal axes of the threaded rods 104 are not parallel to the longitudinal axis of the shaft. In particular, in Figure 2 it can be seen that the longitudinal axes of the threaded rods 104 extend approximately at right angles to the longitudinal axis of the shaft.
In Figur 3 ist dargestellt, wie der Höhenverstellungsmechanismus 103 mit den Gewindestangen 104 gekoppelt ist, sodass eine Rotation der Gewindestangen 104 eine Höhenverstellung der Sitzfläche 101 zur Folge hat. FIG. 3 shows how the height adjustment mechanism 103 is coupled to the threaded rods 104, so that a rotation of the threaded rods 104 results in a height adjustment of the seat surface 101.

Claims

Schutzansprüche:  Protection claims:
Sitzmöbelchassis (100), umfassend eine höhenverstellbare Sitzfläche (101), ein Antriebsmittel (105), eine Welle, einen Höhenverstellungsmechanismus (103) und eine Gewindestange (104), wobei das Antriebsmittel (105) mit der Welle gekoppelt und zur Übertragung eines Drehmoments über die Welle an die Gewindestange (104) ausgebildet ist, und wobei der A seating chassis (100) comprising a height adjustable seat (101), a drive means (105), a shaft, a height adjustment mechanism (103), and a threaded rod (104), the drive means (105) coupled to the shaft and transmitting torque for transmission the shaft is formed on the threaded rod (104), and wherein the
Höhenverstellungsmechanismus (103) so mit der Height adjustment mechanism (103) so with the
Gewindestange (104) und der Sitzfläche (101) gekoppelt ist, dass eine Rotation der Gewindestange (104) durch den Threaded rod (104) and the seat surface (101) is coupled to a rotation of the threaded rod (104) through the
Höhenverstellungsmechanismus (103) in eine Höhenverstellung der Sitzfläche (101) umgesetzt wird, Height adjustment mechanism (103) is converted into a height adjustment of the seat (101),
dadurch gekennzeichnet, dass characterized in that
eine Längsachse der Welle nicht parallel zu einer Längsachse der Gewindestange (104) angeordnet ist. a longitudinal axis of the shaft is not arranged parallel to a longitudinal axis of the threaded rod (104).
Sitzmöbelchassis (100) nach Anspruch 1, dadurch Seating furniture chassis (100) according to claim 1, characterized
gekennzeichnet, dass das Sitzmöbelchassis (100) ein characterized in that the seating furniture chassis (100)
Kegelradgetriebe (200) umfasst, das mit der Welle und der Gewindestange (104) gekoppelt ist, sodass das Drehmoment von der Welle auf die Gewindestange (104) über das Bevel gear (200) which is coupled to the shaft and the threaded rod (104), so that the torque from the shaft to the threaded rod (104) via the
Kegelradgetriebe (200) übertragbar ist. Bevel gear (200) is transferable.
Sitzmöbelchassis (100) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Kegelradgetriebe (200) als schrägverzahntes Kegelradgetriebe ausgebildet ist. Seating furniture chassis (100) according to one of the preceding claims, characterized in that the bevel gear (200) is designed as a helical bevel gear.
Sitzmöbelchassis (100) nach zumindest einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Seating furniture chassis (100) according to at least one of the preceding claims, characterized in that the
Sitzmöbelchassis (100) eine weitere Gewindestange (104) umfasst, die über die Welle mit dem Antriebsmittel (105) gekoppelt ist. -2- Seating unit chassis (100) comprises a further threaded rod (104) which is coupled via the shaft with the drive means (105). -2-
5. Sitzmöbelchassis (100) nach dem vorherigen Anspruch, dadurch gekennzeichnet, dass eine Längsachse der weiteren 5. Seating furniture chassis (100) according to the preceding claim, characterized in that a longitudinal axis of the other
Gewindestange (104) nicht parallel zur Längsachse der Welle angeordnet ist.  Threaded rod (104) is not arranged parallel to the longitudinal axis of the shaft.
6. Sitzmöbelchassis (100) nach einem der beiden vorherigen 6. Seating Chassis (100) after one of the previous two
Ansprüche, dadurch gekennzeichnet, dass das  Claims, characterized in that the
Sitzmöbelchassis (100) ein weiteres Kegelradgetriebe (200) umfasst, das mit der weiteren Gewindestange (104) und mit der Welle gekoppelt ist.  Seating unit chassis (100) comprises a further bevel gear (200) which is coupled to the further threaded rod (104) and to the shaft.
7. Sitzmöbelchassis (100) nach dem vorherigen Anspruch, dadurch gekennzeichnet, dass das weitere Kegelradgetriebe (200) als schrägverzahntes Kegelradgetriebe ausgebildet ist. 7. Seating furniture chassis (100) according to the preceding claim, characterized in that the further bevel gear (200) is designed as a helical bevel gear.
8. Sitzmöbelchassis (100) nach zumindest einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der 8. Seating furniture chassis (100) according to at least one of the preceding claims, characterized in that the
Höhenverstellungsmechanismus (103) so mit der  Height adjustment mechanism (103) so with the
Gewindestange (104) und der Sitzfläche (101) gekoppelt ist, dass bei einer Höhenverstellung der Sitzfläche (101)  Threaded rod (104) and the seat surface (101) is coupled, that in a height adjustment of the seat surface (101)
gleichzeitig eine Neigung der Sitzfläche (101) erfolgt.  at the same time an inclination of the seat (101) takes place.
9. Sitzmöbelchassis (100) nach dem vorherigen Anspruch, dadurch gekennzeichnet, dass bei einer Anhebung der Sitzfläche (101) eine Neigung der Sitzfläche (101) nach vorne ausgelöst wird. 9. Seating furniture chassis (100) according to the preceding claim, characterized in that when raising the seat surface (101), an inclination of the seat surface (101) is triggered forward.
10. Sitzmöbelchassis (100) nach einem der beiden vorherigen 10. Seating Chassis (100) after one of the previous two
Ansprüchen, dadurch gekennzeichnet, dass bei einer  Claims, characterized in that at a
Absenkung der Sitzfläche (101) eine Neigung der Sitzfläche (101) nach hinten ausgelöst wird.  Lowering the seat (101) a tilt of the seat (101) is triggered to the rear.
11. Sitzmöbelchassis (100) nach zumindest einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das -3- 11. Seating furniture chassis (100) according to at least one of the preceding claims, characterized in that the -3-
Sitzmöbelchassis (100) eine Rückenlehne (102) umfasst, wobei die Rückenlehne (102) so mit dem Seating unit chassis (100) comprises a backrest (102), wherein the backrest (102) so with the
Höhenverstellungsmechanismus (103) gekoppelt ist, dass bei einer Höhenverstellung der Sitzfläche (101) eine Neigung der Rückenlehne (102) erfolgt.  Height adjustment mechanism (103) is coupled, that in a height adjustment of the seat (101), a tilt of the backrest (102) takes place.
12. Sitzmöbelchassis (100) nach dem vorherigen Anspruch, dadurch gekennzeichnet, dass bei einer Anhebung der Sitzfläche (101) eine Neigung der Rückenlehne (102) nach vorne ausgelöst wird. 12. Seating furniture chassis (100) according to the preceding claim, characterized in that when raising the seat (101) an inclination of the backrest (102) is triggered forward.
13. Sitzmöbelchassis (100) nach einem der beiden vorherigen 13. Seating Chassis (100) after one of the previous two
Ansprüche, dadurch gekennzeichnet, dass bei einer Absenkung der Sitzfläche (101) eine Neigung der Rückenlehne (102) nach hinten ausgelöst wird.  Claims, characterized in that at a lowering of the seat (101) an inclination of the backrest (102) is triggered to the rear.
14. Sitzmöbelchassis (100) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Längsachse der Welle in etwa rechtwinklig zur Längsachse der Gewindestange (104) angeordnet ist. 14. Seating furniture chassis (100) according to one of the preceding claims, characterized in that the longitudinal axis of the shaft is arranged approximately at right angles to the longitudinal axis of the threaded rod (104).
15. Sitzmöbel, umfassend ein Sitzmöbelchassis (100) nach einem der vorherigen Ansprüche. 15. Seating furniture, comprising a seating chassis (100) according to one of the preceding claims.
EP16700289.8A 2015-01-15 2016-01-06 Seating furniture chassis having a height-adjustable seat surface Active EP3244859B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16700289T PL3244859T3 (en) 2015-01-15 2016-01-06 Seating furniture chassis having a height-adjustable seat surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015100170.3U DE202015100170U1 (en) 2015-01-15 2015-01-15 Seating furniture chassis with a height-adjustable seat
PCT/EP2016/050129 WO2016113160A1 (en) 2015-01-15 2016-01-06 Seating furniture chassis having a height-adjustable seat surface

Publications (2)

Publication Number Publication Date
EP3244859A1 true EP3244859A1 (en) 2017-11-22
EP3244859B1 EP3244859B1 (en) 2020-04-29

Family

ID=55083413

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16700289.8A Active EP3244859B1 (en) 2015-01-15 2016-01-06 Seating furniture chassis having a height-adjustable seat surface

Country Status (9)

Country Link
US (1) US10092467B2 (en)
EP (1) EP3244859B1 (en)
CN (1) CN107072859A (en)
CA (1) CA2965876C (en)
DE (1) DE202015100170U1 (en)
DK (1) DK3244859T3 (en)
ES (1) ES2805742T3 (en)
PL (1) PL3244859T3 (en)
WO (1) WO2016113160A1 (en)

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EP3381429B1 (en) * 2017-03-31 2020-05-06 Permobil AB Tilt assembly for a powered wheelchair and a powered wheelchair comprising the same
WO2019161868A1 (en) * 2018-02-26 2019-08-29 Global FabTech (Shanghai) Company Limited Seating furniture chassis and method of operation

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Also Published As

Publication number Publication date
WO2016113160A1 (en) 2016-07-21
CN107072859A (en) 2017-08-18
PL3244859T3 (en) 2020-10-19
DE202015100170U1 (en) 2016-04-18
CA2965876C (en) 2023-04-25
US10092467B2 (en) 2018-10-09
US20170296411A1 (en) 2017-10-19
DK3244859T3 (en) 2020-07-20
CA2965876A1 (en) 2016-07-21
EP3244859B1 (en) 2020-04-29
ES2805742T3 (en) 2021-02-15

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