EP1911371A1 - Meuble d'assise, en particulier chaise de bureau - Google Patents

Meuble d'assise, en particulier chaise de bureau Download PDF

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Publication number
EP1911371A1
EP1911371A1 EP07018167A EP07018167A EP1911371A1 EP 1911371 A1 EP1911371 A1 EP 1911371A1 EP 07018167 A EP07018167 A EP 07018167A EP 07018167 A EP07018167 A EP 07018167A EP 1911371 A1 EP1911371 A1 EP 1911371A1
Authority
EP
European Patent Office
Prior art keywords
support
seat
backrest
lever
seating furniture
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
EP07018167A
Other languages
German (de)
English (en)
Other versions
EP1911371B1 (fr
Inventor
Werner Link
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.)
Interstuhl Bueromoebel GmbH and Co KG
Original Assignee
Interstuhl Bueromoebel GmbH and Co KG
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 Interstuhl Bueromoebel GmbH and Co KG filed Critical Interstuhl Bueromoebel GmbH and Co KG
Publication of EP1911371A1 publication Critical patent/EP1911371A1/fr
Application granted granted Critical
Publication of EP1911371B1 publication Critical patent/EP1911371B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office 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
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
    • 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
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs

Definitions

  • the invention relates to a chair, in particular an office chair, with a seat mounted on a seat support and a seat back attached to a backrest support, wherein the backrest support is pivotally mounted on a base support and the backrest support and the seat support are pivotally connected to each other via two levers.
  • Such seating is from the German utility model DE 20 2005 010 952 U1 already known. It is characterized by the possibility of a synchronous adjustment of the backrest and seat, in which there is no relative movement between the backrest and clothing of a seated person. In addition, the lower part of the person's back remains well supported in all recline positions of the backrest.
  • a third lever is provided, which is pivotally mounted on the base support and the rear of the two levers, which connect the seat support and the backrest support together, forcibly leads.
  • the well-known construction of Synchronous mechanism between the backrest and seat is relatively complicated by the required third lever.
  • the present invention is therefore based on the object to simplify the known synchronous mechanism constructive while maintaining their favorable properties.
  • the object is achieved by a chair of the type mentioned above, which is inventively characterized in that one of the two levers is forcibly guided directly on the base support.
  • seating furniture according to the invention can therefore be dispensed with a third lever.
  • the front of the two levers which is anyway arranged closer to the base support, be forcibly guided on this. This also results in more favorable balance of power for the forced operation.
  • the lever may be forcibly guided via a toothing on the base support.
  • the teeth of lever and base support can lie on circular arc sections, so that the lever as the gear of a planetary gear can roll on the base support when the inclination of the seat and the backrest is adjusted. This type of forced operation is very robust and dispenses with moving parts between lever and base support.
  • the articulation points of the levers on the backrest support and on the seat support can be arranged independently of the pivotal position of the lever all below the rear half of the seat. In this way, an ergonomic synchronous adjustment of the seat and backrest can be achieved.
  • one of the levers preferably the positively driven lever, can be biased by a spring element in one of its end positions of the pivoting movement.
  • a spring element in one of its end positions of the pivoting movement.
  • the spring element also determines the force a user of the chair must exert to adjust the backrest and seat in position. In order to adjust this force to persons of different body weight, the point of articulation of the spring element on the lever can be adjusted.
  • a clamping lever may be provided with a slotted guide.
  • the slotted guide can engage a arranged on the backrest support pin or the like.
  • the position of the lever and thus the seat and backrest position can be locked in a desired position by the user of the chair.
  • a locking slide can be used. This can be arranged on the backrest support and be brought into engagement with the toothing of the base support. As a result, the position of the backrest support and the seat support coupled with it via the lever is fixed relative to the stationary base support.
  • the seat front edge can be lowered via an adjusting.
  • FIG. 1 shows in the various figures each an office chair 20 with a seat 21 and a backrest 22.
  • the office chair 20 has a chair column 23, at the lower end of which a foot cross (not shown) with rollers can be arranged.
  • a base support 4 is attached at the upper end of the chair column 23, a base support 4 is attached.
  • a backrest support 3 is articulated.
  • the seat 21 rests on a seat support 1, which is pivotally connected to the backrest support 3 via two levers 7 and 6.
  • the base support 4 and the lever 7 each have a toothing 4.1 and 7.1, which engage with each other.
  • the teeth 4.1 and 7.1 are each on circular arc, so that the lever 7 with its teeth 4.1 on the teeth 4.1 of the base support 4 as the gear of a planetary gear can roll when it is pivoted. Over the teeth 4.1 and 7.1 thus the lever 7 and thus the entire of the backrest support 3, the seat support 1 and the two levers in 6, 7 existing synchronous mechanism for seat 21 and backrest 22 is forcibly guided.
  • Fig. 1 shows the chair 20 with upright position of the backrest 22.
  • the lever 7 is in its foremost pivot position. In this he is biased by a spring element 8.
  • Its articulation point 9 on the lever 7 is adjustable according to the body weight of the user of the chair.
  • the lever 7 has a second toothing 7.2, along which the articulation point 9 provided with a small toothed wheel can be moved up and down.
  • a clamping lever 5 is provided with a slotted guide 5.1.
  • the clamping lever 5 also has a toothing, in which engages the gear of the Anlenk Vietnameses 9.
  • In the slide guide 5.1 projects a bolt or the like of the backrest support 3 into it.
  • Fig. 3 illustrates in the sectional view of the chair 20 a possibility of locking the position of the seat 21 and backrest 22.
  • a locking slide 12 is arranged on the backrest support 3, which can be brought into engagement with the teeth 4.1 of the base support 4 and thus the further movement of the backrest support 3 blocked.
  • Fig. 4 finally, it is illustrated how the front edge of the seat 21 can be lowered or raised along the direction of the double arrow 24.
  • a wedge slide 10 is arranged on the seat support 1, which has a toothing 10.1. With this toothing 10.1 is arranged on an operating lever 11 gear engaged. If the operating lever 11 is pivoted backwards along the double arrow 25, then the front edge of the seat 21 is lowered, as shown in FIG. 4.
  • Fig. 1 shows the operating lever 11 in its front pivot position. Now the front edge of the seat 21 is raised relative to the position in FIG. 4. In this way, the chair 20 can be easily adapted to people with different lengths lower legs.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
EP07018167A 2006-10-10 2007-09-15 Meuble d'assise, en particulier chaise de bureau Not-in-force EP1911371B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006047889A DE102006047889B4 (de) 2006-10-10 2006-10-10 Sitzmöbel, insbesondere Bürostuhl

Publications (2)

Publication Number Publication Date
EP1911371A1 true EP1911371A1 (fr) 2008-04-16
EP1911371B1 EP1911371B1 (fr) 2011-12-28

Family

ID=38944454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07018167A Not-in-force EP1911371B1 (fr) 2006-10-10 2007-09-15 Meuble d'assise, en particulier chaise de bureau

Country Status (5)

Country Link
US (1) US7600814B2 (fr)
EP (1) EP1911371B1 (fr)
CN (1) CN101161159A (fr)
AT (1) ATE538686T1 (fr)
DE (1) DE102006047889B4 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2070445A1 (fr) * 2007-12-11 2009-06-17 Sedus Stoll AG Dispositif destiné au réglage de la force de ressort d'un siège de bureau
EP2389840A1 (fr) * 2010-05-31 2011-11-30 Wen-Shan Ko Structure de réglage de chaise
ITVE20100062A1 (it) * 2010-12-03 2012-06-04 Imarc Spa Meccanismo per sedie da ufficio provvisto di dispositivo di regolazione della forza di oscillazione.
WO2014106673A3 (fr) * 2014-01-08 2014-10-02 Innotec Motion GmbH Ensemble meuble d'assise avec dossier monté sur ressort
US9687077B2 (en) 2011-10-04 2017-06-27 Formway Furniture Limited Chair and supports

Families Citing this family (30)

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Publication number Priority date Publication date Assignee Title
CN101801241B (zh) * 2007-03-13 2013-06-05 Hni技术公司 动态座椅靠背腰部支撑系统
ITTO20070398A1 (it) * 2007-06-06 2008-12-07 Malenotti S R L "sedia con schienale oscillante"
DE202009006922U1 (de) * 2009-05-13 2010-09-23 Bock 1 Gmbh & Co. Kg Synchronmechanik
CN102781281B (zh) * 2010-02-26 2016-05-11 多纳蒂股份公司 用于同步椅子的椅座和椅背的装置
AU2011250605B2 (en) 2010-05-05 2016-06-16 Allsteel Inc. Moveable and demountable wall panel system for butt-glazed wall panels
WO2011148414A1 (fr) * 2010-05-26 2011-12-01 タカノ株式会社 Mécanisme de contre-force pour dossier de siège et siège le comprenant
US20110304192A1 (en) * 2010-06-15 2011-12-15 Augustat Betty A Ergometric Chair Apparatus
WO2012053381A1 (fr) * 2010-10-19 2012-04-26 株式会社岡村製作所 Siège à accoudoir
DE202011108433U1 (de) 2011-11-18 2012-01-05 Joachim Rainer Brüske Sitzmöbel bzw. Bürostuhl mit Synchron Mechanik
US9609952B2 (en) 2012-05-04 2017-04-04 Itoki Corporation Chair, especially, office chair
US9706845B2 (en) 2012-09-20 2017-07-18 Steelcase Inc. Chair assembly
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
CN105101845B (zh) 2013-03-15 2018-11-09 Hni技术公司 具有触发的靠背弯曲的椅子
DE202013102059U1 (de) * 2013-05-11 2014-08-12 Bock 1 Gmbh & Co. Kg Synchronmechanik
WO2015161281A1 (fr) 2014-04-17 2015-10-22 Hni Technologies Inc. Chaise et ensembles, systèmes et procédés de commande de chaise
WO2015160693A1 (fr) 2014-04-17 2015-10-22 Hni Technologies Inc. Support lombaire souple
USD731833S1 (en) 2014-04-17 2015-06-16 Allsteel Inc. Chair
US9801470B2 (en) 2014-10-15 2017-10-31 Hni Technologies Inc. Molded chair with integrated support and method of making same
USD743180S1 (en) 2014-10-15 2015-11-17 Hni Technologies Inc. Chair
US10292498B2 (en) * 2015-02-11 2019-05-21 Aaron DeJule Apparatus with weight responsive changeable adjusting characteristics
US11596235B2 (en) 2015-02-11 2023-03-07 Aaron DeJule Apparatus with weight responsive changeable adjusting characteristics
JP6826043B2 (ja) 2015-04-13 2021-02-03 スティールケース インコーポレイテッド 着座用構成体
US10966527B2 (en) 2017-06-09 2021-04-06 Steelcase Inc. Seating arrangement and method of construction
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
DE102015111016B4 (de) 2015-07-08 2021-07-15 Figueroa Büro für Gestaltung GmbH Stuhl mit einer Synchronmechanik zum synchronen Verstellen des Stuhlträgers bei Verschwenken der Rückenlehne
DE102016104638A1 (de) * 2016-03-14 2017-09-14 Burkhard Schmitz Stuhl
IT201700112144A1 (it) * 2017-10-06 2019-04-06 Co Fe Mo Ind S R L Sistema di oscillazione per sedie
US11197548B2 (en) * 2019-12-16 2021-12-14 Allseating Corporation Reclining control system for a chair

Citations (5)

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Publication number Priority date Publication date Assignee Title
EP0339089A1 (fr) * 1987-10-24 1989-11-02 Kokuyo Co., Ltd. Chaise basculante
DE4216159A1 (de) * 1992-05-15 1993-11-18 Kloeber Gmbh Arbeitsstuhl mit Rückenlehne und Rücken-Becken Synchronmechanik
DE29510715U1 (de) * 1995-07-01 1995-10-12 Moebelbeschlaege Gmbh Breitung Verbindungsbeschlag
EP1258211A2 (fr) * 2001-05-18 2002-11-20 Bock-1 GmbH & Co. Mécanisme synchronisé pour un mouvement correlé entre une siège et un dossier des chaises de bureau
EP1491116A1 (fr) * 2003-06-05 2004-12-29 Steelcase Development Corporation Ensemble siège avec un support de siège supporté par une traverse

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DE2748680A1 (de) * 1977-10-29 1979-05-10 Stoll Kg Christof Neigungsvorrichtung fuer sitzmoebel
DE3700447A1 (de) * 1987-01-09 1988-07-21 Vogt Bueromoebel Sitzmoebel
US4854641A (en) * 1989-01-23 1989-08-08 Reineman Richard G Adjustable chair
CA2174511A1 (fr) * 1993-11-01 1995-05-11 Willi Hensel Chaise de bureau a reglage synchrone du siege et du dossier
US5782536A (en) * 1995-02-17 1998-07-21 Steelcase Inc. Modular chair construction and method of assembly
US5810439A (en) * 1996-05-09 1998-09-22 Haworth, Inc. Forward-rearward tilt control for chair
US5775774A (en) * 1996-08-12 1998-07-07 Okano; Hiroshi Tilt mechanism for chairs
DE19823632C1 (de) * 1998-05-27 1999-09-30 Roeder Peter Stuhl, insbesondere Bürostuhl
US6709058B1 (en) * 1999-04-09 2004-03-23 Humanscale Corp. Ergonomic chair
DE60100014T2 (de) * 2001-04-27 2003-06-05 Cofemo Spa Elastische Stützvorrichtung für schrägstellbare Teile von Bürostühlen und dergleichen
DE10125994A1 (de) * 2001-05-18 2002-11-21 Bock 1 Gmbh & Co Synchronmechanik für eine korrelierte Sitz-Rückenlehnen-Bewegung eines Bürostuhles
DE10302208A1 (de) * 2003-01-22 2004-07-29 Klöber GmbH Stuhl mit schnell verstellbarem Kraftspeicher
DE202005004880U1 (de) * 2005-03-26 2006-08-03 Sander, Armin Stuhl, insbesondere Bürostuhl
DE202005010952U1 (de) * 2005-07-12 2005-10-20 BRÜSKE, Joachim Sitzmöbel bzw. Bürostuhl mit Synchron Mechanik

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339089A1 (fr) * 1987-10-24 1989-11-02 Kokuyo Co., Ltd. Chaise basculante
DE4216159A1 (de) * 1992-05-15 1993-11-18 Kloeber Gmbh Arbeitsstuhl mit Rückenlehne und Rücken-Becken Synchronmechanik
DE29510715U1 (de) * 1995-07-01 1995-10-12 Moebelbeschlaege Gmbh Breitung Verbindungsbeschlag
EP1258211A2 (fr) * 2001-05-18 2002-11-20 Bock-1 GmbH & Co. Mécanisme synchronisé pour un mouvement correlé entre une siège et un dossier des chaises de bureau
EP1491116A1 (fr) * 2003-06-05 2004-12-29 Steelcase Development Corporation Ensemble siège avec un support de siège supporté par une traverse

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2070445A1 (fr) * 2007-12-11 2009-06-17 Sedus Stoll AG Dispositif destiné au réglage de la force de ressort d'un siège de bureau
EP2389840A1 (fr) * 2010-05-31 2011-11-30 Wen-Shan Ko Structure de réglage de chaise
ITVE20100062A1 (it) * 2010-12-03 2012-06-04 Imarc Spa Meccanismo per sedie da ufficio provvisto di dispositivo di regolazione della forza di oscillazione.
WO2012072675A1 (fr) * 2010-12-03 2012-06-07 Imarc S.P.A. Mécanisme de chaise de bureau comportant un dispositif pour le réglage de la force de pivot
US8985688B2 (en) 2010-12-03 2015-03-24 Imarc S.P.A. Office chair mechanism provided with a device for adjusting the swivel force
US9687077B2 (en) 2011-10-04 2017-06-27 Formway Furniture Limited Chair and supports
US9901176B2 (en) 2011-10-04 2018-02-27 Formway Furniture Limited Chair and supports
WO2014106673A3 (fr) * 2014-01-08 2014-10-02 Innotec Motion GmbH Ensemble meuble d'assise avec dossier monté sur ressort
US10004333B2 (en) 2014-01-08 2018-06-26 Innotec Motion GmbH Item of seating furniture with a spring-mounted backrest

Also Published As

Publication number Publication date
EP1911371B1 (fr) 2011-12-28
DE102006047889B4 (de) 2008-10-23
CN101161159A (zh) 2008-04-16
US7600814B2 (en) 2009-10-13
US20080084102A1 (en) 2008-04-10
ATE538686T1 (de) 2012-01-15
DE102006047889A1 (de) 2008-04-17

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