EP0247311B1 - Chaise - Google Patents

Chaise Download PDF

Info

Publication number
EP0247311B1
EP0247311B1 EP87104184A EP87104184A EP0247311B1 EP 0247311 B1 EP0247311 B1 EP 0247311B1 EP 87104184 A EP87104184 A EP 87104184A EP 87104184 A EP87104184 A EP 87104184A EP 0247311 B1 EP0247311 B1 EP 0247311B1
Authority
EP
European Patent Office
Prior art keywords
seat
support
lever
seat support
parallelogram
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
EP87104184A
Other languages
German (de)
English (en)
Other versions
EP0247311A3 (en
EP0247311A2 (fr
Inventor
Max Lanuzzi
Fredi Dubach
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.)
Drabert Soehne GmbH and Co
Original Assignee
Drabert Soehne GmbH and Co
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 Drabert Soehne GmbH and Co filed Critical Drabert Soehne GmbH and Co
Publication of EP0247311A2 publication Critical patent/EP0247311A2/fr
Publication of EP0247311A3 publication Critical patent/EP0247311A3/de
Application granted granted Critical
Publication of EP0247311B1 publication Critical patent/EP0247311B1/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
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for 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
    • A47C1/03255—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
    • A47C1/03272—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
    • 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
    • A47C1/03283—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with fluid springs

Definitions

  • the invention relates to a chair with a seat support, on which a seat plate is supported by means of a rear link, and also with a backrest support, which is articulated on the seat support, the seat plate being additionally connected to the seat support via a front link.
  • Such chairs are known in various designs, including from DE-A 35 37 203.
  • the invention has for its object to provide a chair of the type mentioned in such a way that an adjustment of the adjusting force for the backrest is not necessary and thus the restoring force for the backrest increases with increasing user weight.
  • the seat support is connected via a front and a rear parallelogram link to a fixed inclination support which is fixed to the lower part of the chair, the parallelogram links being additionally articulated by means of a parallel guide link and a first energy store between the seat support and inclination support and a second energy storage between backrest support and seat support are effective.
  • both energy stores are preloaded to a greater or lesser extent depending on the user weight. This has the consequence that the movement of the backrest runs more or less smoothly with the synchronized movement of the seat coupled therewith.
  • the chair is shown in the extreme inclination positions of the backrest, specifically drawn in the front end position and dashed lines in the rear end position. Leaning against the backrest causes the seat 11 to move in synchronism with the backrest movement. The size of the restoring forces for this movement is automatically adjusted by the adjusting mechanism described in more detail below in accordance with the body weight of the user.
  • parallelogram links 3 are articulated, the ends of which are connected via a parallel guide link 4.
  • the parallelogram link 3 are also articulated on a seat support 7.
  • the parallelogram link 3 and the parallel guide link 4 articulated together.
  • a second energy accumulator 15 is likewise designed as a tension spring and is articulated on the one hand at the articulation point 3a and on the other hand at the articulation point 12a.
  • the articulation point 12a is the articulation point of the rear link 12 on the seat 11.
  • the rear link 12 is articulated on the seat support 7 with its other end.
  • the seat 11 is also attached to the seat support 7 via the handlebar 10.
  • the backrest support 14a the front, angled region 14 of which is connected to a link 13 is articulated on the seat support 7 so as to be pivotable about the articulation point 14b.
  • the link 13 is in turn articulated approximately in the middle of the rear link 12.
  • the embodiment according to FIGS. 6 and 7 differs from the embodiment according to FIGS. 2 to 5 only in the different design and arrangement of the energy accumulator 15 ⁇ .
  • the energy accumulator 15 ⁇ is articulated on the one hand at the articulation point 14c and on the other hand at the articulation point 7a of the seat support 7.
  • the mode of operation of the adjusting mechanism can be seen from a comparison of FIG. 2 with FIG. 3.
  • the parallelogram 3 moves against the force of the tension spring 5 to the right. This reduces the distance between the parallel guide link 4 and the inclination bracket 1 from the value A (FIG. 2) to the value C.
  • the seat bracket 7 is also moved more or less far forward by the pivoting movement of the parallelogram link 3 according to the weight of the user (dimension D).
  • the energy accumulator 5 is preloaded to a greater or lesser extent in accordance with the user weight.
  • the energy accumulator 15 is also biased more or less strongly by the parallel displacement in accordance with the user weight, with the result that the movement of the backrest with the synchronized movement of the seat coupled therewith runs more or less smoothly.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (8)

  1. Chaise avec support de siège soutenant, par l'intermédiaire d'un bras d'articulation arrière, une plaque formant siège (11) et avec un support de dossier (14a), relié par articulation au support de siège (7) de façon à pouvoir être basculé, la plaque formant siège (11) étant, en outre, reliée au support de siège (7) par un bras d'articulation avant (10),
    chaise caractérisée par le fait que le support de siège (7) est relié, par l'intermédiaire d'un bras d'articulation avant et d'un bras d'articulation arrière en forme de parallélogrammes (3), à un support d'inclination stationnaire (1), monté fixement sur la partie inférieure (2) de la chaise, les bras d'articulation en forme de parallélogrammes (3) étant, en outre, reliés, de façon articulée, entre eux par un guide de conduite parallèle (4), et qu'un premier accumulateur d'énergie (5) agit entre le support de siège (7) et le support d'inclination (1), tandis qu'un second accumulateur d'énergie (15) agit entre le support de dossier (14a) et le support de siège (7).
  2. Chaise selon revendication 1,
    caractérisée par le fait quele premier accumulateur d'énergie (5) est articulé, d'une part, sur le support de siège (7) et, d'autre part, sur un point d'articulation (6) du guide de conduite parallèle (4) et du bras en forme de parallélogramme (3).
  3. Chaise selon revendication 1 ou 2,
    caractérisée par le fait quele second accumulateur d'énergie (15) est releé par articulation, d'une part, au point d'articulation (12a) du bras (12), au siège (11) et, d'autre part, à un point d'articulation (3a) du guide de conduite parallèle (4) et du bras en forme de parallélogramme (3).
  4. Chaise selon une ou plusieurs revendications 1 à 3, caractérisée par le fait quele second accumulateur d'énergie (15') est articulé, d'une part, sur le support de siège (7) et, d'autre part sur le support de dossier (14a).
  5. Chaise selon une ou plusieurs revendications 1 à 4, caractérisée par le fait quele support de dossier (14a) présente une zone (14) se prolongeant au-delà de son point d'articulation (14b), zone dont l'extrémité libre est reliée à un bras d'articulation (13), relié, lui-même, au bras d'articulation arrière (12) qui relie le support de siège (7) au siège (11).
  6. Chaise selon une ou plusieurs revendications 1 à 5, caractérisée par le fait queles bras en forme de parallélogrammes (3) sont triangulaires et qu'un point d'articulation est disposé dans chaque angle.
  7. Chaise selon une ou plusieurs revendications 1 à 6, caractérisée par le fait queles accumulateurs d'énergie (5; 15) sont des ressorts.
  8. Chaise selon une ou plusieurs revendications 1 à 6, caractérisée par le fait qu'un accumulateur d'énergie au moins (15') consiste en un dispositif pneumatique.
EP87104184A 1986-05-26 1987-03-21 Chaise Expired - Lifetime EP0247311B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19863617624 DE3617624A1 (de) 1986-05-26 1986-05-26 Stuhl
DE8614185U DE8614185U1 (de) 1986-05-26 1986-05-26 Stuhl
DE3617624 1986-05-26

Publications (3)

Publication Number Publication Date
EP0247311A2 EP0247311A2 (fr) 1987-12-02
EP0247311A3 EP0247311A3 (en) 1988-04-06
EP0247311B1 true EP0247311B1 (fr) 1991-03-13

Family

ID=42108201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104184A Expired - Lifetime EP0247311B1 (fr) 1986-05-26 1987-03-21 Chaise

Country Status (8)

Country Link
US (1) US4761033A (fr)
EP (1) EP0247311B1 (fr)
JP (1) JPS6365817A (fr)
AU (1) AU581367B2 (fr)
CA (1) CA1278992C (fr)
DE (3) DE8614185U1 (fr)
DK (1) DK166401B1 (fr)
NO (1) NO166518C (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
DE10122945A1 (de) * 2001-05-11 2002-12-12 Armin Sander Stuhl, insbesondere Bürostuhl
DE10219478B4 (de) * 2002-04-30 2006-07-13 Klöber GmbH Stuhl mit vom Benutzergewicht abhängigen Kraftspeicher
EP2561777A1 (fr) * 2011-08-25 2013-02-27 Uhlenbrock, Johannes Mécanisme synchrone pour une chaise
DE202014100062U1 (de) * 2014-01-08 2015-04-10 Innotec Motion GmbH Sitzmöbel mit federnder Rückenlehne
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames

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CH672237A5 (en) * 1986-10-14 1989-11-15 Giroflex Entwicklungs Ag Relaxing chair
DE3700447A1 (de) * 1987-01-09 1988-07-21 Vogt Bueromoebel Sitzmoebel
DE8802405U1 (fr) * 1987-02-25 1988-06-23 Koehl Gmbh, 6074 Roedermark, De
DE3781282T2 (de) * 1987-10-24 1992-12-17 Kokuyo Kk Liegesessel.
DE3900220A1 (de) * 1989-01-05 1990-07-12 Wilkhahn Wilkening & Hahne Stuhl
US4943114A (en) * 1989-02-06 1990-07-24 Giancarlo Piretti Chair backrest linkage mechanism
JPH03222907A (ja) * 1989-11-30 1991-10-01 Itoki Kosakusho Co Ltd 椅子の弾力調節装置
US5224758A (en) * 1989-12-27 1993-07-06 Itoki Crebio Corporation Tilting control assembly for chair
DE4019876A1 (de) * 1990-06-22 1992-01-02 Simon Desanta Stuhl, insbesondere buerostuhl
US5318345A (en) * 1991-06-07 1994-06-07 Hon Industries, Inc. Tilt back chair and control
AU665208B2 (en) * 1991-08-22 1995-12-21 Duffield, Anne Constance Weight compensating chair backrest
DE69333862T2 (de) 1992-06-15 2006-01-12 Herman Miller, Inc., Zeeland Ein unbedecktes Gewebe für Sitze und Verfahren zur Herstellung eines Stuhles mit solchem Gewebe
DE4233628A1 (de) * 1992-10-06 1994-04-07 Comforto Gmbh Stuhl, insbesondere Büro- oder Arbeitsstuhl
AU7244294A (en) * 1993-06-02 1994-12-20 Sava Cvek Articulated support chair
DE4327373C2 (de) * 1993-08-14 1997-07-17 Girsberger Holding Ag Stuhl, insbesondere Bürostuhl
US6494538B1 (en) * 1997-02-28 2002-12-17 Kjartan Alvestad Adjustment device for beds and other reclining or seating furniture
US6139103A (en) * 1997-03-12 2000-10-31 Leggett & Platt, Inc. Synchronized chair seat and backrest tilt control mechanism
JP3136280B2 (ja) * 1997-04-28 2001-02-19 株式会社いのうえアソシエーツ 椅 子
DE29718696U1 (de) * 1997-10-21 1998-02-26 Interco Ges Fuer Die Planung U Verfahrbare Sitzanordnung
US5871258A (en) * 1997-10-24 1999-02-16 Steelcase Inc. Chair with novel seat construction
ITTO980034A1 (it) * 1998-01-16 1999-07-16 Miotto Int Comp Dispositivo meccanico per il controllo della movimentazione sincrona d i sedile e schienale di una seduta.
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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
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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
JP5514509B2 (ja) * 2009-10-26 2014-06-04 株式会社イトーキ ロッキング椅子
US8272692B1 (en) * 2009-10-26 2012-09-25 Epperson Ronald B Office chair having tiltable seat and back
US8714646B2 (en) 2010-02-08 2014-05-06 Sava Cvek Mobile task chair and mobile task chair control mechanism with adjustment capabilities and visual setting indicators
US8714645B2 (en) 2010-01-28 2014-05-06 Sava Cvek Pivoting mechanism with gross and fine resistance adjustment
AU2011250605B2 (en) 2010-05-05 2016-06-16 Allsteel Inc. Moveable and demountable wall panel system for butt-glazed wall panels
US20130175841A1 (en) 2012-01-11 2013-07-11 James W. Finck Reclining seat assembly
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US9131775B1 (en) 2012-12-05 2015-09-15 Joel H. Eisenberg Adjustable seating
CA2906736C (fr) 2013-03-15 2021-11-02 Hni Technologies Inc. Chaise ayant une flexion arriere activee
US9827154B2 (en) * 2013-04-10 2017-11-28 R82 A/S Seat
EP2896325B1 (fr) 2014-01-20 2018-02-28 L&P Property Management Company Mécanisme d'inclinaison pour meuble pour s'asseoir et meuble de type siège comprenant celui-ci
EP2896326A1 (fr) 2014-01-21 2015-07-22 Stoll Giroflex AG Siège, en particulier chaise
CN106455821A (zh) 2014-04-17 2017-02-22 Hni技术公司 椅子和椅子控制组件、系统和方法
USD731833S1 (en) 2014-04-17 2015-06-16 Allsteel Inc. Chair
US10064493B2 (en) 2014-04-17 2018-09-04 Hni Technologies Inc. Flex lumbar support
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
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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
GB2536290B (en) * 2015-03-13 2017-06-07 Deep Thought Ltd Self-weigh mechanism for office chair
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
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
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
DE10122945A1 (de) * 2001-05-11 2002-12-12 Armin Sander Stuhl, insbesondere Bürostuhl
DE10219478B4 (de) * 2002-04-30 2006-07-13 Klöber GmbH Stuhl mit vom Benutzergewicht abhängigen Kraftspeicher
EP2561777A1 (fr) * 2011-08-25 2013-02-27 Uhlenbrock, Johannes Mécanisme synchrone pour une chaise
DE102011081588A1 (de) * 2011-08-25 2013-02-28 Johannes Uhlenbrock Synchronmechanik für einen Stuhl
DE202014100062U1 (de) * 2014-01-08 2015-04-10 Innotec Motion GmbH Sitzmöbel mit federnder Rückenlehne
US10004333B2 (en) 2014-01-08 2018-06-26 Innotec Motion GmbH Item of seating furniture with a spring-mounted backrest
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames

Also Published As

Publication number Publication date
DE8614185U1 (de) 1986-07-17
DK265487A (da) 1987-11-27
AU7335587A (en) 1987-12-03
NO871685D0 (no) 1987-04-23
DK166401B1 (da) 1993-05-17
NO166518B (no) 1991-04-29
AU581367B2 (en) 1989-02-16
EP0247311A3 (en) 1988-04-06
NO166518C (no) 1991-08-07
DK265487D0 (da) 1987-05-25
JPS6365817A (ja) 1988-03-24
NO871685L (no) 1987-11-27
EP0247311A2 (fr) 1987-12-02
DE3768556D1 (de) 1991-04-18
CA1278992C (fr) 1991-01-15
US4761033A (en) 1988-08-02
DE3617624A1 (de) 1987-12-03

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