EP1060694B1 - Chaise, notamment chaise de bureau - Google Patents
Chaise, notamment chaise de bureau Download PDFInfo
- Publication number
- EP1060694B1 EP1060694B1 EP00112739A EP00112739A EP1060694B1 EP 1060694 B1 EP1060694 B1 EP 1060694B1 EP 00112739 A EP00112739 A EP 00112739A EP 00112739 A EP00112739 A EP 00112739A EP 1060694 B1 EP1060694 B1 EP 1060694B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest
- chair
- rotation
- seat
- point
- 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
Links
Images
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
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
-
- 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
Definitions
- the invention relates to a chair, in particular an office chair, with one in reference arranged on a seat support rotatable about a first pivot a rest position reclining backrest, and one with the backrest rotatably connected about a second pivot point, synchronized with the backrest reclining seat.
- a chair is e.g. from DE 42 16 159 A1 known from US 5,354,120 or from EP 0 934 716 A2.
- Such a chair is also from the European patent application, for example EP 0 888 739 A2 known.
- the backrest as well as the seat rotatably connected to it from a rest position designed to tilt backwards.
- the one in a vertical plane of movement running inclination movement is from a coupling gear in the form of a four-swivel chain controlled as a guide gear.
- Form one with one Stand connected seat support a basic handlebar and the above in approximate Parallel seat running a seat handlebar.
- handlebars are at their ends each via a front link and one Return link connected to form the four-swivel chain.
- the rear link is fixed to the backrest in relation to the inclination movement connected so that the first pivot through the axis of rotation between the Seat support or base link and the rear link is given.
- the second pivot point is by the axis of rotation between the return link and given the seat or the handlebar.
- a chair of the type mentioned at the outset is also known from PCT WO 83/00610.
- This chair is used as a guide mechanism for the inclination movement also a coupling gear, but in the form of a curve loop, i.e. a three-link chain with two swivel joints and one swivel-thrust joint.
- a gas pressure spring also releases the seat link a backward tilt position to the rest position.
- the one with her one end is attached to the base or seat support by a compression spring with its other end on the rear joint of the seat handlebar, where this with the the backrest carrying back link is connected.
- the invention has for its object a chair of the type mentioned to further develop such that a particularly far-reaching inclination movement the backrest with an inclination of, for example, up to 40 ° to the starting position of the backrest - is possible without the chair tilts back over its center of gravity. Furthermore, it should also be special large backrest inclination of more than 40 ° largely avoided be that a person sitting on the chair has the feeling of being soon Experiences overturning.
- the invention is based on the consideration that in the known chairs this tends to tilt and the achievable angle of inclination Backrest is therefore limited by the fact that the center of gravity of the chair is the inclination of the backrest to the rear in a particularly strong degree as well is shifted backwards. This is particularly reinforced by the fact that an inclination of the backrest back and down which is synchronous with this guided seat is also moved to the rear. For a minor one The chair should be inclined to tilt so that even with one stronger inclination of the backrest the center of gravity in only a small amount Dimensions is shifted backwards. A shift of focus to rear can be kept particularly low by the inclination of the Backrest backwards a synchronous shift of the seat not behind, but rather forward. This is due to the arrangement mentioned of the first and second fulcrums relative to each other.
- the chair is advantageously designed in such a way that during an inclination movement the backrest back and down the second pivot moved forward and down.
- the moves (with respect to the seat support stationary) first pivot point in relation to the seat surface up, whereas the second pivot point down towards moved the seat support.
- the chair is also useful designed so that the second pivot point at the level of the seat and thus the through this defined axis of rotation between the seat and backrest in the Seat lies.
- the first pivot point is higher than the lower edge the seat.
- the second fulcrum to recreate the body's own fulcrums in the rest position about one for the ischial bones of the seated Person intended position arranged.
- the chair is designed such that the inclination movement the synchronous relationship between the seat and Backrest is approximately 1: 3. With an inclination of the backrest of approximately 40 ° there is thus an inclination of the seat surface with respect to its starting position of about 13 ° or 14 ° from their starting position, the inclination advantageously results from a corresponding lowering of the seat.
- the seat is especially with regard to their dimensions in relation to the position of the first and the second fulcrum, appropriately dimensioned such that when the backrest is tilted back and forth below the front edge of the seat moved forward and down.
- this seat with the seat support is conveniently one third pivot point rotatably connected.
- the positive guidance is advantageously designed such that a Backrest tilting back and down the third Pivot point moved forward and downward.
- the third pivot point is forced a guided tour provided.
- One defined by the third pivot The axis of rotation can be physically positioned at a suitable location on the Arranged seat, with their ends facing beyond the seat Turning rod can be realized, the ends of which are positively guided in the backdrop.
- a coupling gear in the manner of a three-swivel chain with link guide is provided.
- the third pivot point can also be moved around on the seat support a fourth pivot point rotatably arranged arm.
- the advantages achieved by the invention are in particular that the positioning of the first pivot point in the rest position at approximately the same height or higher than the second pivot point ensured in a particularly simple manner is that when the backrest is tilted backward, it moves forward the seat is done. This was done by tilting the backrest backwards Shifting the center of gravity of the chair backwards is therefore due to the Movement of the seat to the front at least partially compensated. As a result, shows the chair even when the backrest is particularly far inclined only a particularly low tendency to tip over.
- the guidance of the third pivot point in a setting also enables the setting one that is particularly pleasant for the movement Synchronous ratio between seat and backrest of about 1: 3 simultaneous lowering of the front edge of the seat while reclining the backrest.
- the chair 1 designed as an office chair according to FIGS. 1, 2 comprises a fixed one with a seat support, not shown in detail 2.
- the Seat support 2 is rotatably connected to a backrest 6 via an axis of rotation 4.
- the backrest 6 is from the rest position shown in FIG tiltable at the back.
- the backrest 6 is inclined by rotation about a first pivot point 8, which is essentially through the central axis of the Axis of rotation 4 is given.
- the second pivot point 12 is by the Given the central axis of a fastener, not shown, which the Seat 10 physically connects to the backrest 6.
- the second pivot point 12 In terms of its lateral Position is the second pivot point 12 in the rest position of the chair 1 approximately below the position that the ischial bumps one in the chair 1 ingested person.
- the first pivot 8 is in the rest position of the chair 1 positioned slightly higher than the second pivot point 12.
- the first pivot point 8 but also at about the same height or significantly higher than the second pivot point 12 may be arranged.
- the second is in the exemplary embodiment Pivot point 12 in the seat surface 10, so that the first pivot point 8 is also above the lower edge 13 of the seat 10 is arranged.
- the seat surface 10 is for one with an inclination movement of the backrest 6 synchronous inclination movement formed.
- a rotation of the occurring Seat 10 relative to the orientation of the seat support 2 is over a third pivot point 14 characterized.
- the third pivot point 14 is physical in the exemplary embodiment realized in an axis of rotation 16 arranged below the seat surface 10.
- the axis of rotation 16 and with this the third pivot point 14 are in one on the seat support 2 arranged backdrop 18 positively guided.
- the chair 1 is designed such that when the backrest is tilted 6 to the rear (and thus also downwards) the second pivot point 12 moved forward and also down.
- An inclination of the backrest to the rear thus results in both a forward movement of the seat surface 10 as well as lowering them.
- the resulting inclination of the seat 10 is thereby due to the inclination movement and its guidance in the Setting 18 occurring change in position of the third pivot point 14 is determined.
- the third moves Pivotal point 14 due to its positive guidance in the backdrop 18 to the front and downward.
- the backdrop 18 is in relation to the positioning of the pivot points 8, 12 and 14 dimensioned such that the synchronous ratio with respect to the inclination movement between the seat surface 10 and the backrest 6 is approximately 1: 3. With in other words: the angle of inclination swept by the backrest 6 at its inclination is about three times the angle around which the seat is 10 when moving tends.
- the chair 1 To reset from the backward tilt position of the backrest 6 is in the rest position, the chair 1 with a suitable, not shown Spring system, for example with a conventional one, arranged in or on the seat support 2 Gas spring, provided.
- a suitable, not shown Spring system for example with a conventional one, arranged in or on the seat support 2 Gas spring, provided.
- the chair 1 'in the exemplary embodiment according to FIGS. 4 to 6 also has the chair 1 has a positively driven axis of rotation 16 and thus a positively driven one third pivot point 14 between the seat surface 10 and the seat support 2.
- the chair 1 ' is an arm 20 for the forced guidance of the third pivot point 14 intended.
- the arm 20 acts on the third pivot point 14 and is in turn arranged with the seat support 2 rotatable about a fourth pivot point 22.
- the arm 20 is also dimensioned such that that the synchronous relationship between the Seat 10 and the backrest 6 is about 1: 3.
- Each of the chairs 1,1 ' is due to the arrangement of the pivot points 8, 12 to each other suitable for a particularly large angle of inclination of the backrest 6.
- the achievable inclination of the backrest can be up to 40%, for example, without tipping over.
- According to the synchronous ratio between the seat 10 and the backrest 6 of about 1: 3 occurs at an incline the backrest 6 by about 40 ° with respect to the starting position of the backrest 6 an inclination of the seat surface 10 due to its lowering by approximately 13 ° or 14 ° from the starting position of the seat 10.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Hydrogenated Pyridines (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Claims (9)
- Chaise (1, 1'), notamment chaise de bureau, comportant un dossier (6)) disposé de manière à pouvoir tourner par rapport à un support de siège (2) autour d'un premier centre de rotation (8) et pouvant être incliné à partir d'une position de repos, et une surface d'assise (10) reliée de manière à pouvoir tourner au dossier (6) autour d'un deuxième centre de rotation (12) et pouvant être inclinée en synchronisme avec le dossier,
caractérisé en ce que le premier centre de rotation (8) est positionné dans la position de repos approximativement à la même hauteur que le second centre de rotation (12), et que le deuxième centre de rotation (12) est situé à hauteur de la surface d'assise (10), auquel cas lors d'un mouvement d'inclinaison du dossier (6) vers l'arrière et vers le bas, le bord avant de la surface d'assise (10) est déplacé vers l'avant et vers le bas. - Chaise (1, 1') selon la revendication 1,
caractérisée en ce que lors d'un mouvement d'inclinaison du dossier (6) vers l'arrière et vers le bas, le second centre de rotation (12) est déplacé vers l'avant et vers le bas. - Chaise (1, 1') selon la revendication 1 ou 2,
caractérisée en ce que le premier centre de rotation (8) est supérieur au bord inférieur (13) de la surface d'assise (10). - Chaise (1, 1') selon l'une des revendications 1 à 3, caractérisée en ce que dans la position de repos, le second centre de rotation (12) est situé légèrement au-dessous d'une position prévue pour les genoux d'une personne assise.
- Chaise (1, 1') selon l'une des revendications 1 à 4, caractérisée en ce qu'en rapport avec un mouvement d'inclinaison, le rapport de synchronisation entre la surface d'assise (10) et le dossier (6) est égal à environ 1:3.
- Chaise (1, 1') selon l'une des revendications 1 à 5, caractérisée en ce qu'un troisième centre de rotation (14) défini en tant que centre de rotation entre la surface d'assise (10) et le support de siège (2), est guidé d'une manière forcée en rapport avec un mouvement d'inclinaison du dossier (6).
- Chaise (1, 1') selon la revendication 6,
caractérisée en ce que dans le cas d'un mouvement d'inclinaison du dossier (6) vers l'arrière et vers le bas, le troisième centre de rotation (14) est déplacé vers l'avant et vers le bas. - Chaise (1) selon la revendication 6 ou 7,
caractérisée en ce que le troisième centre de rotation (14) est guidé d'une manière forcée dans une coulisse (18). - Chaise (1') selon la revendication 6 ou 7,
caractérisée en ce que le troisième centre de rotation (14) est guidé d'une manière forcée au moyen d'un bras (20) monté sur le support de siège (2) de manière à pouvoir tourner autour d'un quatrième centre de rotation (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK00112739T DK1060694T3 (da) | 1999-06-17 | 2000-06-16 | Stol, især kontorstol |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19927691A DE19927691A1 (de) | 1999-06-17 | 1999-06-17 | Stuhl, insbesondere Bürostuhl |
DE29910620U DE29910620U1 (de) | 1999-06-17 | 1999-06-17 | Stuhl, insbesondere Bürostuhl |
DE29910620U | 1999-06-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1060694A1 EP1060694A1 (fr) | 2000-12-20 |
EP1060694B1 true EP1060694B1 (fr) | 2004-09-08 |
Family
ID=42212266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00112739A Expired - Lifetime EP1060694B1 (fr) | 1999-06-17 | 2000-06-16 | Chaise, notamment chaise de bureau |
Country Status (7)
Country | Link |
---|---|
US (1) | US6513874B1 (fr) |
EP (1) | EP1060694B1 (fr) |
AT (1) | ATE275356T1 (fr) |
DE (3) | DE29910620U1 (fr) |
DK (1) | DK1060694T3 (fr) |
ES (1) | ES2226658T3 (fr) |
PT (1) | PT1060694E (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20022194A1 (it) * | 2002-10-16 | 2004-04-17 | Icf Spa | Sedia avente sedile e schienale mobili. |
DE10306851A1 (de) | 2003-02-18 | 2004-08-26 | Dózsa-Farkas, Andras | Stuhl, insbesondere Büro- oder Arbeitsstuhl |
US20090015050A1 (en) * | 2004-03-13 | 2009-01-15 | Hans Dehli | Articulating chair |
WO2007110737A2 (fr) * | 2006-03-24 | 2007-10-04 | Herman Miller Inc. | Chaise |
DK2004020T3 (en) * | 2006-03-24 | 2014-12-08 | Miller Herman Inc | seating arrangement |
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 |
EP2937019B1 (fr) | 2007-09-20 | 2017-11-08 | Herman Miller, Inc. | Structure de support de charge |
DE102008027016B4 (de) * | 2008-06-06 | 2017-06-01 | Ford Global Technologies, Llc | Verfahren und Vorrichtung zur Analyse von Geräuschen eines Kraftfahrzeuges |
BR112012028026A2 (pt) | 2010-05-05 | 2017-03-28 | Eberhard Von Huene & Ass Inc | sietema de painel de parede movível e desmontável |
DE102011001811A1 (de) * | 2011-04-05 | 2012-10-11 | Wilkhahn Wilkening + Hahne Gmbh + Co. Kg | Stuhl |
US11304528B2 (en) | 2012-09-20 | 2022-04-19 | Steelcase Inc. | Chair assembly with upholstery covering |
US9706845B2 (en) | 2012-09-20 | 2017-07-18 | Steelcase Inc. | Chair assembly |
USD697726S1 (en) | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
US9332851B2 (en) | 2013-03-15 | 2016-05-10 | Hni Technologies Inc. | Chair with activated back flex |
CA2842019A1 (fr) * | 2014-02-04 | 2015-08-04 | Teknion Limited | Fauteuil incline auto ajustable dote d'un mecanisme cantilever |
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 |
WO2015160693A1 (fr) | 2014-04-17 | 2015-10-22 | Hni Technologies Inc. | Support lombaire souple |
USD743180S1 (en) | 2014-10-15 | 2015-11-17 | Hni Technologies Inc. | Chair |
US9801470B2 (en) | 2014-10-15 | 2017-10-31 | Hni Technologies Inc. | Molded chair with integrated support and method of making same |
BR112017014533A2 (pt) | 2015-01-16 | 2018-01-16 | Miller Herman Inc | estrutura de assento de suspensão zoneadas |
US9713381B2 (en) | 2015-06-11 | 2017-07-25 | Davis Furniture Industries, Inc. | Chair |
CN111329274B (zh) * | 2016-02-23 | 2023-08-08 | 国誉株式会社 | 椅子及座的支承机构 |
JPWO2020255195A1 (fr) * | 2019-06-17 | 2020-12-24 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859799A (en) * | 1956-05-03 | 1958-11-11 | Edwin R Moore | Functional posture controller for chairs |
BR8109037A (pt) | 1981-08-19 | 1983-09-06 | Giroflex Entwicklungs Ag | Cadeira |
DE3605809A1 (de) * | 1986-02-22 | 1987-08-27 | Koenig & Neurath Kg | Sitzmoebel |
DE3616475C1 (de) * | 1986-05-15 | 1987-06-11 | Kusch Co Sitzmoebel | Hoehenverstellbarer,mit Gasdruckfeder ausgestatteter Drehstuhl,insbesondere Buerostuhl oder -sessel |
GB8614651D0 (en) | 1986-06-16 | 1986-07-23 | Reed A M | Chair adjustment mechanism |
DE3622272A1 (de) * | 1986-07-03 | 1988-01-21 | Porsche Ag | Stuhl, insbesondere buerostuhl |
DE3916474A1 (de) * | 1989-05-20 | 1990-11-22 | Roeder Soehne Sitzmoebelfab | Stuhl, insbesondere arbeits- oder buerostuhl |
DE3930983C2 (de) * | 1989-09-16 | 1993-09-30 | Rolf Voelkle | Sitzmöbel mit neigungsverstellbarer Sitzfläche |
DE4135948C2 (de) * | 1991-10-31 | 1993-12-23 | Rolf Voelkle | Stuhl, insbesondere Bürodrehstuhl |
IT1253777B (it) * | 1991-12-12 | 1995-08-23 | Pietro Lovato | Dispositivo di regolazione a comando monoleva dell'altezza del sedile e dell'inclinazione dello schienale |
DE4216159A1 (de) * | 1992-05-15 | 1993-11-18 | Kloeber Gmbh | Arbeitsstuhl mit Rückenlehne und Rücken-Becken Synchronmechanik |
GB9500022D0 (en) * | 1995-01-04 | 1995-03-01 | Unwalla Jamshed | Integrated seat and back and mechanism for chairs |
DE19702328A1 (de) * | 1997-01-23 | 1998-07-30 | Comforto Gmbh | Stuhl mit Synchronmechanik |
DE29723702U1 (de) | 1997-07-05 | 1998-12-24 | König + Neurath AG, 61184 Karben | Stuhl, insbesondere Bürostuhl |
GB9802447D0 (en) * | 1998-02-04 | 1998-04-01 | Unit Press Limited | Mechanism for chair |
-
1999
- 1999-06-17 DE DE29910620U patent/DE29910620U1/de not_active Expired - Lifetime
- 1999-06-17 DE DE19927691A patent/DE19927691A1/de not_active Ceased
-
2000
- 2000-06-16 DE DE50007661T patent/DE50007661D1/de not_active Expired - Lifetime
- 2000-06-16 ES ES00112739T patent/ES2226658T3/es not_active Expired - Lifetime
- 2000-06-16 EP EP00112739A patent/EP1060694B1/fr not_active Expired - Lifetime
- 2000-06-16 DK DK00112739T patent/DK1060694T3/da active
- 2000-06-16 PT PT00112739T patent/PT1060694E/pt unknown
- 2000-06-16 AT AT00112739T patent/ATE275356T1/de not_active IP Right Cessation
- 2000-06-19 US US09/597,347 patent/US6513874B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE50007661D1 (de) | 2004-10-14 |
DE29910620U1 (de) | 2000-10-19 |
DK1060694T3 (da) | 2004-12-06 |
ATE275356T1 (de) | 2004-09-15 |
EP1060694A1 (fr) | 2000-12-20 |
DE19927691A1 (de) | 2000-12-28 |
US6513874B1 (en) | 2003-02-04 |
ES2226658T3 (es) | 2005-04-01 |
PT1060694E (pt) | 2005-01-31 |
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