EP0949875B1 - Cadre, mecanisme de reglage et revetement rembourre pour un siege - Google Patents

Cadre, mecanisme de reglage et revetement rembourre pour un siege Download PDF

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Publication number
EP0949875B1
EP0949875B1 EP97941142A EP97941142A EP0949875B1 EP 0949875 B1 EP0949875 B1 EP 0949875B1 EP 97941142 A EP97941142 A EP 97941142A EP 97941142 A EP97941142 A EP 97941142A EP 0949875 B1 EP0949875 B1 EP 0949875B1
Authority
EP
European Patent Office
Prior art keywords
support
seat
chair
padded covering
fastened
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.)
Expired - Lifetime
Application number
EP97941142A
Other languages
German (de)
English (en)
Other versions
EP0949875A1 (fr
Inventor
Egon Bräuning
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.)
Vitra AG
Original Assignee
Vitra Patente AG
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 Vitra Patente AG filed Critical Vitra Patente AG
Publication of EP0949875A1 publication Critical patent/EP0949875A1/fr
Application granted granted Critical
Publication of EP0949875B1 publication Critical patent/EP0949875B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/06—Special adaptation of seat upholstery or fabric for attachment to tubular chairs
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/446—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with fluid springs

Definitions

  • the present invention relates to a chair, in particular an office swivel chair with a height-adjustable seat and adjustable backrest, which so articulated in the plane of the seat that one fixed area for the thigh support and a swiveling area for the buttocks. So that gets one runs across the width of the seat Swivel axis created by articulated connections on the frame.
  • the upholstery of the seat extends from the front edge beyond the swivel axis.
  • the whole The chair mechanism is located below the seat. Either the height as well as the inclination adjustment are by means of springs arranged in the frame, preferably gas springs.
  • the principle of dividing the seat into a fixed one Thigh pad and a swiveling seat pad, which merges into the backrest is from CH-A-568 738 known.
  • the subdivision is made with hinge links realized that arranged in the side parts of the support frame are.
  • CH-A-582 498 discloses a chair of the relevant type. However, this construction is also limited on the swiveling of those connected to the buttocks Backrest, whereby proposed here in addition will cover the seat surface beyond the swivel axis to the rear of the frame. Although for the tilt adjustment uses a gas spring; something is missing but the possibility of height adjustment, an integrated, complete positioning mechanism as well as one of the. today's production requirements and aesthetic demands adequate frame construction and upholstery.
  • the invention is therefore based on the object for one Chair with a swivel axis running across the seat, an improved frame structure as well as a combined one Actuating mechanism to create all modern functions enables.
  • the basic structure of the chair mechanism should be as inexpensive, reliable, low-service as possible and be easy to use.
  • the one to be proposed Actuating mechanism as a compact construction inconspicuous be integrated in the chair.
  • the frame structure has particular value, i.e. rational and cost-effective Production and assembly in series production while fulfilling today's, more creative Aesthetic demands.
  • the seat support of the chair frame is on the conical tip one in a known base and centric vertically arranged gas spring - this is for the height adjustment provided and will be called in the followingêtngasfeder - put on.
  • the gas spring on the seat support is for the Tilt adjustment articulated - in the further tilt gas spring called - which, on the other hand, articulated on the back support is.
  • the back support is on the seat support within the articulated to the seat surface extending pivot axis and takes the bow-shaped back tensioner. Below the seat support are the diametrically opposite control levers arranged for the height and tilt gas spring.
  • the back tensioner and two strip-shaped seat tensioners are insertable into the upholstery cover, the first on Back straps and the last attached to the seat support become. Which extends from the seat over the cross bar of the Backrest up to the back tensioner upholstery cover has an overhang in the area of the crossbar, which is wrapped around the cross bar and fixed to it.
  • the invention is now a relatively simple, compact and in the advantageous for attaching the cushion cover Setting mechanism integrating frame construction to disposal.
  • the entire chair can be functional optimized construction and the achieved rational Assembly in large numbers at efficient manufacturing costs produce.
  • the actuating mechanism ensures one long service life, allows uncomplicated service and offers the user all the benefits of modern seating, including ergonomic adjustment of the seat cover and backrest when changing the user's posture.
  • the constructive features result in if possible low material costs one due to its simplicity aesthetically sophisticated chair.
  • the chair is composed in principle of the star-shaped base frame 1, the seat support 2, the back support 3, the back tensioner 4, the actuating mechanism 5, the vertical gas spring 6, the tilt gas spring 7 and the cushion cover 8 .
  • Extending from the base frame 1 is a centrally arranged, vertically rising center column 10 , in which the height gas spring 6 is inserted for the height adjustment.
  • the seat support 2 is attached to the upper conical end of the extendable piston rod 60 of the vertical gas spring 6 .
  • the seat support 2, the back support 3 and the back tensioner 4 are covered with the one-piece cushion cover 8 .
  • the inclined gas spring 7 is articulated in the center of rotation in the axis of rotation D1 .
  • the inclination gas spring 7 is articulated in the middle on the cross member 30 of the back support 3 , as a result of which the axis of rotation D2 is created here.
  • Two vertical supports 31 and two practically right-angled horizontal arms 32 extend from the cross member 30 in ascending order, resulting in a one-piece back support 3 .
  • the arms 32 are connected in hinge connections V to the seat support 2 , so that here the main axis of rotation D is formed, about which the back support 3 can be pivoted as a whole.
  • the area between the main axis of rotation D and the cross member 30 represents the seat pad G.
  • the bow-shaped back tensioner 4 is fastened to the supports 31 .
  • the one-piece, massive seat support 2 consists essentially of an upwardly bent bracket part 20 , each with an outer right-angled and forward-facing support bar 21 , on which the arms 32 in the hinge connections V attach at the rear.
  • An opening 200 is located in the center of the bottom of the bracket part 20 .
  • the opposing shift levers 16, 17 for the vertical gas spring 6 and the tilt gas spring 7 are arranged.
  • the opening 200 present at the bottom of the bracket part 20 has a round bore 201 and a groove 202 attached to it, so that a resemblance to a keyhole arises.
  • the tilt gas spring 7 is articulated on the cross member 30 in a recess 300 .
  • a helical spring 71 is additionally attached to the piston rod 70 of the tilt gas spring 7 .
  • each vertical support 31 there is a mounting shoulder 310 facing the arms 32 and bores 311 .
  • the bracket member 20 including the lever 16,17 are arranged for actuating the height gas spring 6 or the inclination spring 7 :.
  • the head part of the vertical gas spring 6 with the valve rod 62 protruding from above sits in the conical bore 201 of the opening 200 of the bracket part 20 .
  • the associated shift lever 16 has a nose 160 and is fixed in an axis of rotation D3.
  • the nose 160 protrudes through the groove 202 of the opening 200 into its bore 201 and is located directly above the valve rod 62 . If the shift lever 16 is pulled up against the bracket part 20 , the nose 160 moves downward and presses on the valve rod 62 .
  • the shift lever 17 for actuating the valve rod 72 protruding from the inclination gas spring 7 is mounted in a rotational axis D4 in the same way as the lever 16 .
  • a deflection angle 73 which is rotatably inserted in the bracket part 20 and on which a pawl 730 is located is used.
  • the one-piece upholstery cover 8 extends: from the seat support 2 , over its seat cover G to the cross member 30 and over the back tensioner 4 .
  • the cushion cover 8 In the area of the support strips 21 , the cushion cover 8 each has a pocket 80 into which the seat clamps 22 are inserted. These linear or strip-shaped seat clamps 22 are then fastened to the support strips 21 , preferably screwed from below through the bores 211 , 220 .
  • vertical supports 31 and arms 32 , 8 cutouts 81 are provided in the upholstery cover.
  • the cushion cover 8 has a branch 82 , from which the cushion cover 8 extends further to the back tensioner 4 and where a strip-shaped overhang 83 is present.
  • the branch 82 and the overhang 83 can be produced by sewing on a second piece of fabric.
  • the cushion cover 8 has a pocket into which the loose back tensioner 4 can be inserted.
  • the back tensioner 4 inserted in the cushion cover 8 is then attached to the vertical supports 31 , that is to say placed on the attachment shoulders 310 and fixed, preferably screwed from behind.
  • the screw holes 311 and 40 in the vertical supports 31 and in the back tensioner 4 are used for this purpose .
  • the strip-shaped attachment 83 - preferably made of the same material as the cushion cover 8 - has transverse loops 830 into which the clamping bolts 302 can be inserted. From the rear, the attachment 83 is knocked down around the cross member 30 , the clamping bolts 302 being seated in the grooves 301 and being fixed therein, for example by means of screws 303 .
  • a lower transverse pocket can be provided in the front in the area of the seat, into which a strip-shaped, elastic seat tensioner 84 is inserted. It is advantageous to provide a continuous strengthening seam 85 in the upholstery cover 8 , for example in the course of the main axis of rotation D , which divides the seat cover G from the rest of the seat surface.
  • the desired height of the chair can take place only when the shift lever 16 is depressed and thus the stroke length of the vertical pneumatic spring 6 is variable. Usually, when the operating lever 16 is pressed and the seat support 2 is relieved, it is raised to the maximum height. If the seat support 2 is loaded and the shift lever 16 is pressed, the seat support 2 is lowered to the lowest position.
  • the current position is locked, ie the tilt gas spring 7 is blocked.
  • the switching lever 17 is actuated, the locking of the inclination gas spring 7 is released and the user can shift the entire weight between the forward-inclined writing position (according to FIG. 4B), the middle basic position (according to FIG. 4A) and the backward-inclined position Take the relaxing position (according to Fig. 4C) on the chair.
  • the shift lever 17 is operated again, the current position is locked again.
  • tilt gas spring 7 If the tilt gas spring 7 is in the free switching state and the user exerts sufficient pressure against the back part, a movement takes place in the main axis of rotation D and the secondary axes of rotation D1 and D2 .
  • the tilt gas spring 7 and the coil spring 71 change their stroke lengths. With the back support 3 , which adjusts in inclination, there is an adequate change in the seat cover.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Special Chairs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (10)

  1. Chaise comprenant :
    a) une partie de dos pivotante (3,4) dont l'axe de rotation (D) définit une zone arrière sur la surface de siège avec un support pour les fesses (G), en ce qu'une portion (32) du cadre de la partie de dos (3,4) se prolonge jusqu'à l'axe de rotation (D) et y est articulée au support de siège (2) suivant une connexion à charnière (V); et
    b) un revêtement de coussin (8) fixé sur un support de siège (2), lequel revêtement s'étend depuis la surface de siège au-delà de l'axe de rotation (D) jusqu'à la partie de cadre (30) derrière le support pour les fesses (G),
        caractérisée en ce que
    c) la partie de dos pivotante se compose d'un support de dos (3) articulé dans la connexion à charnière (V) et d'un dispositif de serrage du dossier (4) en forme d'étrier, devant être fixé par-dessus, lequel peut être enfoncé dans la partie de dos du revêtement de coussin (8); et
    d) le revêtement de coussin d'une seule pièce (8) recouvre la surface de siège et la partie de dos (3,4),
    e) le support de dos (3) présentant un longeron transversal (30) sur lequel est fixé le revêtement de coussin (8) et qui se prolonge de là jusqu'à la partie de dos (3,4).
  2. Chaise selon la revendication 1, caractérisée en ce que
    a) le support de siège (2) présente des deux côtés deux barres d'appui (21) qui se trouvent dans le prolongement des bras (32) du support de dos (3) qui lui sont articulés; et
    b) est fixé sur ces barres d'appui (21) du revêtement de coussin (8).
  3. Chaise selon la revendication 1 ou 2, caractérisée en ce que
    a) à la partie arrière du support de siège (2) est articulé au milieu dans un axe de rotation (D1) un ressort pneumatique (7) tourné vers le haut lequel s'étend jusqu'au longeron transversal (30) et y est également articulé dans un axe de rotation (D2); et
    b) dans la pièce en étrier (20) sous le support de siège (2) ouvert vers le haut en forme d'étrier, deux leviers de commande (16,17) diamétralement opposés, pour l'actionnement des ressorts (6,7) prévus pour le réglage en hauteur et pour le mouvement de pivotement, sont partiellement encastrés,
    c) un nez (160) étant prévu le plus en avant sur un levier de commande (16), lequel nez agit directement sur la tige de soupape (62) du ressort (6), tandis que sur l'autre levier de commande (17) est prévu un nez (170), qui agit sur un coude de déviation (73) qui porte un cliquet fixe (730), lequel presse sur la tige de soupape (72) de l'autre ressort (7).
  4. Chaise selon la revendication 3, caractérisée en ce qu 'il est prévu dans la pièce en étrier (20) un alésage (201) placé au milieu du fond, dans lequel s'enfiche la partie de tête du ressort pneumatique de hauteur (6), le nez (160) pénétrant dans l'alésage (201) par une ouverture périphérique (202) sur l'alésage.
  5. Chaise selon la revendication 2, caractérisée en ce qu 'il est prévu dans le revêtement de coussin (8), dans la zone des barres d'appui (21), des poches dans lesquelles des dispositifs de serrage de siège (22) en forme de barre sont poussés, les dispositifs de serrage de siège (22) étant fixés par le haut sur les barres d'appui (21).
  6. Chaise selon la revendication 1 ou 2, caractérisée en ce que le revêtement de coussin (8) présente à proximité du longeron transversal (30) une ramification (82), de laquelle le revêtement de coussin (8) s'étend encore jusqu'à la partie de dos (3,4) et de laquelle part un excédent (83) en forme de bande, qui est prévu pour entourer le longeron transversal (30) et lui être fixé.
  7. Chaise selon la revendication 6, caractérisée en ce qu 'il est prévu sur l'arête de l'excédent (83) des boucles dans lesquelles on insère des boulons de serrage (302), lesquels sont fixés sur le longeron transversal (30).
  8. Chaise selon la revendication 6 ou 7, caractérisée en ce qu' une rainure longitudinale (301) pour recevoir les boulons de serrage (302) est prévue sur le longeron transversal (30).
  9. Chaise selon la revendication 1, caractérisée en ce que le dispositif de serrage de dossier (4) enfoncé dans le revêtement de coussin (8) peut être vissé sur des montants verticaux (31) du support de dos (3).
  10. Chaise selon la revendication 1, caractérisée en ce que
    a) dans le revêtement de coussin (8) dans la région de l'arête avant de la surface de siège est contenu un dispositif de serrage de siège (84) élastique et s'étendant transversalement; et
    b) dans le revêtement de coussin (8), au moins à proximité de l'axe de rotation (D) le long de celui-ci, est prévue une couture de fixation (85) traversant toutes les couches du revêtement de coussin (8).
EP97941142A 1996-10-14 1997-10-03 Cadre, mecanisme de reglage et revetement rembourre pour un siege Expired - Lifetime EP0949875B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH250796 1996-10-14
CH250796 1996-10-14
PCT/IB1997/001202 WO1998016140A1 (fr) 1996-10-14 1997-10-03 Cadre, mecanisme de reglage et revetement rembourre pour un siege

Publications (2)

Publication Number Publication Date
EP0949875A1 EP0949875A1 (fr) 1999-10-20
EP0949875B1 true EP0949875B1 (fr) 2001-11-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97941142A Expired - Lifetime EP0949875B1 (fr) 1996-10-14 1997-10-03 Cadre, mecanisme de reglage et revetement rembourre pour un siege

Country Status (7)

Country Link
US (1) US6149236A (fr)
EP (1) EP0949875B1 (fr)
JP (1) JP3278170B2 (fr)
AT (1) ATE209011T1 (fr)
AU (1) AU4315397A (fr)
DE (1) DE59706076D1 (fr)
WO (1) WO1998016140A1 (fr)

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USD704487S1 (en) 2013-06-07 2014-05-13 Steelcase Inc. Chair
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AU783829B2 (en) 2000-09-28 2005-12-08 Formway Furniture Limited A reclinable chair
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EP1197168B1 (fr) 2000-10-12 2007-01-24 Vitra Patente AG Palier pour une chaise
JP4674952B2 (ja) * 2000-10-16 2011-04-20 コクヨ株式会社 椅子
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US6869142B2 (en) 2002-09-12 2005-03-22 Steelcase Development Corporation Seating unit having motion control
DE20319457U1 (de) * 2002-12-31 2004-04-22 Metalseat S.R.L., Galliera Veneta Sperrungsvorrichtung für eine Bürosesselstruktur mit Gelenk für die Bewegung des Sitzes und der Rückenlehne sowie dazugehörige Sesselstruktur
US7048335B2 (en) * 2003-06-05 2006-05-23 Steelcase Development Corporation Seating unit with crossbar seat support
US6715834B1 (en) * 2003-07-15 2004-04-06 Simon Liao Angle adjusting device for a chair
EP1576904A1 (fr) * 2004-03-18 2005-09-21 Pro-Cord S.P.A. Chaise avec dossier oscillant
US7147286B2 (en) * 2004-05-28 2006-12-12 Hni Technologies Inc. Versatile chair
JP4750401B2 (ja) * 2004-10-29 2011-08-17 株式会社イトーキ 椅子
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US7422287B2 (en) * 2005-03-08 2008-09-09 Steelcase Inc. Seating with shape-changing back support frame
JP5002835B2 (ja) * 2005-10-27 2012-08-15 コクヨ株式会社 部材の接続構造
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JP4945781B2 (ja) * 2005-11-11 2012-06-06 コクヨ株式会社 椅子
JP4747311B2 (ja) * 2005-11-11 2011-08-17 コクヨ株式会社 椅子
JP4037438B2 (ja) 2006-06-29 2008-01-23 沖電気工業株式会社 椅子
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US7708346B2 (en) * 2006-10-13 2010-05-04 L&P Property Management Company Reclining back mechanism for a seating unit
US20080252124A1 (en) * 2007-04-13 2008-10-16 Chen Yung-Hua Apparatus for adjusting the angle of a seat back of an office chair
US7857388B2 (en) 2007-06-01 2010-12-28 Steelcase Inc. Seating unit with adjustable lumbar device
AU2009234514B2 (en) 2008-04-08 2014-05-01 Formway Furniture Limited Injection moulding method
DE102009022994B4 (de) * 2008-05-28 2020-02-27 Suspa Gmbh Vorrichtung zur Verstellung einer Rückenlehne
US20100141002A1 (en) * 2008-06-04 2010-06-10 Kurrasch Andrew J Biasing mechanism
JP4379538B1 (ja) 2008-10-07 2009-12-09 沖電気工業株式会社 椅子用リンク機構、椅子
US20100176636A1 (en) * 2009-01-09 2010-07-15 Chun-Chang Tai Buffering device for chair
US8113586B2 (en) * 2009-01-23 2012-02-14 Chen Yung-Hua Apparatus for adjusting the seat back angle
JP2010227324A (ja) * 2009-03-27 2010-10-14 Oki Electric Ind Co Ltd 椅子
US20120139318A1 (en) * 2010-12-07 2012-06-07 Chuen-Jong Tseng Chair
CN202698536U (zh) * 2012-04-23 2013-01-30 中山市隆成日用制品有限公司 可调整座椅空间的婴儿椅具
EP2908696B2 (fr) * 2012-10-18 2023-03-15 Vitra AG Ajustage synchrone de siège
USD708466S1 (en) 2013-05-16 2014-07-08 Steelcase Inc. Chair
USD704945S1 (en) 2013-05-16 2014-05-20 Steelcase Inc. Chair
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USD760525S1 (en) 2015-04-21 2016-07-05 Pro-Cord S.P.A. Chair
USD764849S1 (en) 2015-04-21 2016-08-30 Pro-Cord S.P.A. Chair
USD761606S1 (en) 2015-04-21 2016-07-19 Pro-Cord S.P.A. Two-color chair
USD824710S1 (en) * 2016-06-10 2018-08-07 Bock 1 Gmbh & Co. Kg Office chair
CN206822374U (zh) * 2017-01-19 2018-01-02 欧亚平 一种靠背能够紧贴人体腰背部移动的椅子
CN108056613B (zh) * 2017-01-19 2021-04-23 安吉县盛信办公家具有限公司 一种腰托座椅
EP3694377B1 (fr) * 2018-01-09 2023-06-07 Superseating bvba Ensemble siège pour sièges, chaises ergonomiques ou fauteuils roulants améliorés
DE102020110707A1 (de) 2020-04-20 2021-10-21 Bock 1 Gmbh & Co. Kg Sitzmöbel
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DE3835003A1 (de) * 1988-10-14 1990-04-19 Guenther Kuhn Sessel oder stuhl, insbesondere buerosessel oder -stuhl
US5725276A (en) * 1995-06-07 1998-03-10 Ginat; Jonathan Tilt back chair and control
US5577804A (en) * 1995-06-30 1996-11-26 Global Upholstery Company Seat height adjustment mechanism for a chair

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD703987S1 (en) 2013-06-07 2014-05-06 Steelcase Inc. Chair
USD703988S1 (en) 2013-06-07 2014-05-06 Steelcase Inc. Chair
USD704487S1 (en) 2013-06-07 2014-05-13 Steelcase Inc. Chair
USD706547S1 (en) 2013-06-07 2014-06-10 Steelcase Inc. Chair
USD707976S1 (en) 2013-06-07 2014-07-01 Steelcase Inc. Chair
USD721529S1 (en) 2013-06-07 2015-01-27 Steelcase Inc. Handle apparatus

Also Published As

Publication number Publication date
EP0949875A1 (fr) 1999-10-20
US6149236A (en) 2000-11-21
JP2000505677A (ja) 2000-05-16
JP3278170B2 (ja) 2002-04-30
WO1998016140A1 (fr) 1998-04-23
ATE209011T1 (de) 2001-12-15
AU4315397A (en) 1998-05-11
DE59706076D1 (de) 2002-02-21

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