EP0592369B1 - Ferrure de basculement pour une chaise - Google Patents

Ferrure de basculement pour une chaise Download PDF

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Publication number
EP0592369B1
EP0592369B1 EP93810698A EP93810698A EP0592369B1 EP 0592369 B1 EP0592369 B1 EP 0592369B1 EP 93810698 A EP93810698 A EP 93810698A EP 93810698 A EP93810698 A EP 93810698A EP 0592369 B1 EP0592369 B1 EP 0592369B1
Authority
EP
European Patent Office
Prior art keywords
seat
chair
mounting
seat support
pivot axis
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
EP93810698A
Other languages
German (de)
English (en)
Other versions
EP0592369A1 (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.)
Protoned BV
Original Assignee
Protoned BV
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 Protoned BV filed Critical Protoned BV
Publication of EP0592369A1 publication Critical patent/EP0592369A1/fr
Application granted granted Critical
Publication of EP0592369B1 publication Critical patent/EP0592369B1/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
    • 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
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03238—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • 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
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/0325—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of clamps or friction locking members
    • 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
    • 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

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)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Claims (6)

  1. Mécanisme de chaise pour une chaise de travail comportant un support de siège (7) et un support de dossier (8) montés à pivotement dans le même sens et de manière interdépendante, le support de siège (7) étant articulé à l'arrière au support de dossier sur un axe de pivotement de support de dossier-siège (11) et à l'avant sur un axe de pivotement avant de support de siège (13) et l'axe de pivotement avant de support de siège (13) étant relié à l'axe de pivotement principal de mouvement synchrone (12) - celui-ci représentant l'axe longitudinal d'un ressort de torsion (9) - par l'intermédiaire de leviers coudés d'entraînement (15) fixés sur l'axe de pivotement avant de support de siège ainsi que sur le ressort de torsion (9), et les leviers coudés d'entraînement présentant une encoche (16) dans laquelle est prévue une butée destinée à limiter la zone de pivotement, caractérisé en ce qu'en avant de la zone de pivotement du mouvement synchrone entre le support de siège (7) et le support de dossier (8) est prévue une zone d'inclinaison négative, pour l'inclinaison du mécanisme de chaise (1) vers l'avant, autour d'un axe de pivotement et d'inclinaison négative (10) et en ce qu'il en résulte dès lors pour l'utilisateur, en fonction de son maintien et de la répartition de son poids, une zone de pivotement de la chaise avec des transitions progressives d'une position inclinée vers l'avant à une position inclinée vers l'arrière, étant donné que les éléments fonctionnels reliés du mécanisme de chaise, le support de siège (7), les leviers coudés d'entraînement (15), le ressort de torsion (9) et le support de dossier (8) sont disposés en tant que système sur l'axe de pivotement et d'inclinaison négative (10) se trouvant dans le prolongement du tube de pied (2) et peuvent pivoter en tant que tel autour de cet axe de pivotement sur un dispositif d'appui de siège (4) élastique.
  2. Mécanisme de chaise suivant la revendication 1, caractérisé en ce que le dispositif d'appui de siège (4) comprend une partie de dispositif d'appui de siège fixe (6), qui présente un cône de réception (3) permettant le montage sur le tube de pied (2), et une partie de dispositif d'appui de siège mobile (5), étant entendu que la partie de dispositif d'appui de siège mobile (5) est montée sur ressort au moyen d'un ressort de compression (21) sur la partie de dispositif d'appui de siège fixe (6), et que soit elle est montée sur ressort sur l'axe de pivotement et d'inclinaison négative (10), soit le dispositif d'appui de siège (4) fait lui-même ressort dans son ensemble en tant qu'élément élastique.
  3. Mécanisme de chaise suivant la revendication 2, caractérisé en ce qu'un ressort à lames ou un élément élastique en matière plastique est utilisé comme dispositif d'appui de siège (4) faisant ressort.
  4. Mécanisme de chaise suivant la revendication 1, caractérisé en ce que des options sont prévues pour le verrouillage séparé de la synchronisation au moyen d'un levier de blocage (18) et de l'inclinaison négative au moyen d'un levier d'arrêt (23).
  5. Mécanisme de chaise suivant la revendication 4, caractérisé en ce que le verrouillage de la synchronisation résulte du pivotement du levier de blocage dans une encoche (16) ménagée dans le levier coudé d'entraînement (15).
  6. Mécanisme de chaise suivant la revendication 4, caractérisé en ce que le verrouillage de l'inclinaison négative résulte du pivotement du levier d'arrêt (23) par rapport à la partie de dispositif d'appui de siège mobile (5).
EP93810698A 1992-10-08 1993-10-05 Ferrure de basculement pour une chaise Expired - Lifetime EP0592369B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3145/92 1992-10-08
CH3145/92A CH685277A5 (de) 1992-10-08 1992-10-08 Stuhlmechanik.

Publications (2)

Publication Number Publication Date
EP0592369A1 EP0592369A1 (fr) 1994-04-13
EP0592369B1 true EP0592369B1 (fr) 1996-08-14

Family

ID=4249583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810698A Expired - Lifetime EP0592369B1 (fr) 1992-10-08 1993-10-05 Ferrure de basculement pour une chaise

Country Status (6)

Country Link
US (1) US5417473A (fr)
EP (1) EP0592369B1 (fr)
JP (1) JPH06189836A (fr)
AT (1) ATE141142T1 (fr)
CH (1) CH685277A5 (fr)
DE (1) DE59303430D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000022959A1 (fr) 1998-10-20 2000-04-27 Protoned B.V. Systeme mecanique pour fauteuil
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
DE19607136C2 (de) * 1995-02-28 2002-10-24 Eckhard Hansen Stuhl
WO2005120291A1 (fr) 2004-06-14 2005-12-22 Vitra Patente Ag Siege dote d'un mecanisme synchrone
WO2011022856A1 (fr) 2009-08-26 2011-03-03 Vitra Patente Ag Mécanisme pour une chaise
WO2012139233A1 (fr) 2011-04-12 2012-10-18 Vitra Patente Ag Mécanisme pour une chaise à réglage synchrone du dossier et de l'assise
US11553797B2 (en) 2015-04-13 2023-01-17 Steelcase Inc. Seating arrangement

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5810439A (en) * 1996-05-09 1998-09-22 Haworth, Inc. Forward-rearward tilt control for chair
US6139103A (en) * 1997-03-12 2000-10-31 Leggett & Platt, Inc. Synchronized chair seat and backrest tilt control mechanism
US6102477A (en) * 1998-03-11 2000-08-15 Hon Technology Inc. Chair with tilt limiter
AU783829B2 (en) 2000-09-28 2005-12-08 Formway Furniture Limited A reclinable chair
AUPR054400A0 (en) 2000-09-29 2000-10-26 Formway Furniture Limited A castor
EP1197168B1 (fr) 2000-10-12 2007-01-24 Vitra Patente AG Palier pour une chaise
DE10194641T5 (de) * 2000-10-16 2005-04-07 Kokuyo Co., Ltd. Stuhl
EP1938713B1 (fr) * 2005-10-18 2014-02-26 Delta Tooling Co., Ltd. Structure de siège
DE202005017987U1 (de) 2005-11-17 2006-01-12 Kintec-Solution Gmbh Sessel
ITMI20070944A1 (it) * 2007-05-09 2008-11-10 L & P Property Management Co Dispositivo di regolazione della seduta, particolarmente per sedie regolabili.
JP5334045B2 (ja) * 2009-01-08 2013-11-06 コクヨ株式会社 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
MX2017013130A (es) 2015-04-13 2018-03-07 Steelcase Inc Disposicion de asiento.
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
DE102015118730B4 (de) * 2015-11-02 2017-05-24 Kokinetics Gmbh Polsterträgerplatte für einen Kraftfahrzeugsitztiefenversteller
CN107149315B (zh) * 2017-04-27 2023-04-07 叶龙华 多功能平衡椅
CN108851714B (zh) * 2018-05-31 2021-05-11 江门市东方顺鑫塑胶有限公司 一种便于午睡休息的办公椅
USD904099S1 (en) * 2018-06-22 2020-12-08 P.S. Pibbs, Inc. Reclining mechanism for a threading chair
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames
WO2020172243A1 (fr) 2019-02-21 2020-08-27 Steelcase Inc. Ensemble support corporel et procédés d'utilisation et d'assemblage de cet ensemble
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11617444B2 (en) 2020-03-02 2023-04-04 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11812870B2 (en) 2021-02-10 2023-11-14 Steelcase Inc. Body support structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343305A (en) * 1971-04-01 1974-01-10 Werner P G Adjustable resiliently hinged device for chairs and the like
DE2733322C3 (de) * 1977-07-23 1980-08-07 Protoned B.V., Amsterdam Arbeitsstuhl
US4333683A (en) * 1978-12-04 1982-06-08 Center For Design Research And Development N.V. Chair with automatically adjustable tilting back
US4345733A (en) * 1980-04-28 1982-08-24 Center For Design Research And Development N.V. Mounting device for a chair seat
DE8133573U1 (de) * 1981-11-17 1983-05-05 Fritz Bauer + Söhne oHG, 8503 Altdorf Arretierbare wippvorrichtung fuer sitzteile von sitzmoebeln
DE8617738U1 (fr) * 1986-07-03 1988-03-10 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De
DE3735256A1 (de) * 1987-10-17 1989-04-27 Ljubomir Nikov Stuhl oder sessel mit synchron verstellbarer neigung von rueckenlehne und sitz
JPH0520199Y2 (fr) * 1988-11-30 1993-05-26
DE3900220A1 (de) * 1989-01-05 1990-07-12 Wilkhahn Wilkening & Hahne Stuhl
DE3916474A1 (de) * 1989-05-20 1990-11-22 Roeder Soehne Sitzmoebelfab Stuhl, insbesondere arbeits- oder buerostuhl
EP0545921B1 (fr) * 1990-08-20 1996-05-15 Ring Mekanikk A.S. Support reglable pour siege

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607136C2 (de) * 1995-02-28 2002-10-24 Eckhard Hansen Stuhl
WO2000022959A1 (fr) 1998-10-20 2000-04-27 Protoned B.V. Systeme mecanique pour fauteuil
WO2000022961A1 (fr) 1998-10-20 2000-04-27 Vitra Patente Ag Mecanique de fauteuil
US6439661B1 (en) 1998-10-20 2002-08-27 Vitra Patente Ag Chair mechanism
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
WO2005120291A1 (fr) 2004-06-14 2005-12-22 Vitra Patente Ag Siege dote d'un mecanisme synchrone
WO2011022856A1 (fr) 2009-08-26 2011-03-03 Vitra Patente Ag Mécanisme pour une chaise
US8899680B2 (en) 2009-08-26 2014-12-02 Vitra Patente Ag Mechanism for a chair
WO2012139233A1 (fr) 2011-04-12 2012-10-18 Vitra Patente Ag Mécanisme pour une chaise à réglage synchrone du dossier et de l'assise
US11553797B2 (en) 2015-04-13 2023-01-17 Steelcase Inc. Seating arrangement

Also Published As

Publication number Publication date
JPH06189836A (ja) 1994-07-12
ATE141142T1 (de) 1996-08-15
US5417473A (en) 1995-05-23
DE59303430D1 (de) 1996-09-19
EP0592369A1 (fr) 1994-04-13
CH685277A5 (de) 1995-05-31

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