EP0970637A1 - Chaise de travail à profondeur d'assise réglable - Google Patents

Chaise de travail à profondeur d'assise réglable Download PDF

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Publication number
EP0970637A1
EP0970637A1 EP98810643A EP98810643A EP0970637A1 EP 0970637 A1 EP0970637 A1 EP 0970637A1 EP 98810643 A EP98810643 A EP 98810643A EP 98810643 A EP98810643 A EP 98810643A EP 0970637 A1 EP0970637 A1 EP 0970637A1
Authority
EP
European Patent Office
Prior art keywords
support
seat part
work chair
chair according
seat
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.)
Withdrawn
Application number
EP98810643A
Other languages
German (de)
English (en)
Inventor
Uli Witzig
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.)
Provenda Marketing AG
Original Assignee
Provenda Marketing 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 Provenda Marketing AG filed Critical Provenda Marketing AG
Priority to EP98810643A priority Critical patent/EP0970637A1/fr
Priority to US09/348,294 priority patent/US6189971B1/en
Publication of EP0970637A1 publication Critical patent/EP0970637A1/fr
Withdrawn legal-status Critical Current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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • 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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/023—Reclining or easy chairs having independently-adjustable supporting parts the parts being horizontally-adjustable seats ; Expandable seats or the like, e.g. seats with horizontally adjustable parts

Definitions

  • the present invention relates to a work chair with a buttocks and at least the part of the buttocks near the buttocks Thigh supporting seat.
  • a conventional work chair has a standardized one Seat depth of approx. 40 - 43 centimeters. On the seat finds the buttocks and depending on the size of the seated person larger or smaller part of the thigh space. For the front edge of the chair is often too small for smaller people front, so that the blood vessels in the legs like to the Leading edge are pressed and therefore the blood supply in legs is disabled. Unpleasant and unhealthy consequences of which are cold feet and varicose veins.
  • the adjustment should be done with the simplest possible means and the adjusted chair physiologically optimally adjusted his.
  • the seat depth should be adjustable.
  • a seat achieved which is a seat part with only for the Buttocks of sufficient size and a separate one Has thigh support, which at least partially Slidable under the seat part, or under the seat part is extractable.
  • the thigh support in length is changeable.
  • a seated person always sits in the right place the seat recess and can support the legs as desired to have.
  • the unused length of the thigh support is under the seat part in no way disturbing. Thanks to the Extension of the thigh support by moving, in Difference e.g. to add up a series of Divide is a seamless thigh support usable.
  • the specially shaped front edge remains foremost in every position.
  • the thigh support with a guided in a circular curved trajectory is required.
  • a curved guidance allows physiological on the one hand Design of the thigh support with a curve and a sloping leading edge.
  • the transition flat from the seat part to the thigh support is advantageous wedge-shaped. At least that is Padded seat part, so the wedge-shaped front forms Area of the padded seat part expediently Pillow, which under load on the thigh support lies on. This is the transition between the seat part and Thigh support flowing and barely noticeable.
  • the thigh support is advantageous in different Lockable sliding positions. That is advantageous Moving position by the load of those sitting on the chair Person arrested. This can be achieved in that along a guide both on the sliding part and teeth or teeth are formed on this leading part, which interlock when the thigh support is loaded grab and thus at least complicate a shift, in unloaded condition under tension or pressure in the Sliding direction on the sliding part slightly above one another slide away.
  • two carrier parts carry this Seat part on both sides and is one in each of these carrier parts Guide trained in which the thigh support is slidably mounted.
  • a lumbar support on the work chair is advantageous provided, the distance from the seat is adjustable. This allows the user to react to the body size become.
  • the lumbar support is advantageous by one horizontal axis rotatable support pad, which has at least three support surfaces. These support surfaces each have one on the symmetry level of the chair different distance from the axis of rotation of the support pad depending on the turning position to support the cross region or lumbar spine of a user further forward or further back with respect to the seat recess or seat happens.
  • a backrest by one on one is advantageous Frame arranged and stretched over the lumbar support Cover formed, the lumbar support in the cover Lumbar area fits a back shape.
  • Such Backrest is adjustable by adjusting the lumbar support and / or twisting the support pad to the body size and the back shape of the chair user adjustable.
  • the lumbar curve of the backrest is stronger or depending on the setting less developed and set higher or lower.
  • the Height adjustment preferably makes about a maximum of 10 Centimeters, the depth differences between the different Upholstery positions about up to 3 centimeters.
  • Figure 1 shows a seat part 11 of a work chair.
  • a base 15 On a telescopic column 13, a base 15 is rotatable arranged.
  • the base part 15 consists of a cross member 17 and thereupon projecting support parts 19 for the Seat part 21 and the sliding thigh support 23.
  • Am Cross member 17 is also a carrier 24 for one Backrest arranged and in the support members 19 sit in height-adjustable armrests 25.
  • guide combs 26 are formed, which with guide grooves 27 interact on the thigh support 23.
  • the Guide grooves 27 are slidable over the guide combs 26. This allows the thigh support 23 under the seat part 21 are pushed.
  • a handle 29 is formed centrally on its front edge.
  • the front edge 31 of the seat part 21 is as thin as possible or sensible so that it is not noticeable if possible.
  • the seat part 21 and the thigh support 23 are padded.
  • the front edge 31 of the seat part 21 lies as thinnest part of a wedge - shaped cushion on the Thigh support padding 23.
  • the thigh support 23 and the guide parts 26, 27 are curved in a circle. Its center is about 340 mm below the surface of the thigh support 23.
  • Im front area 37 is the thigh support 23 with a Radius of approx. 110 mm more curved, so that the Front edge of the thigh support 23 clearly downwards falls off.
  • the seat part 21 is trough-shaped. On rising edge 39 supports the rear in particular Buttocks of a person sitting on the chair.
  • FIG. 2 shows the seat part 11 in a top view.
  • the Thigh support 23 is in its foremost position drawn.
  • the parallel guides 26, 27 are on the left and arranged to the right of the thigh support 23. they allow a displacement distance (arrow 41) of the thigh support 23 by a good 10 centimeters, so that the seat depth is between approx. 36 and 47 cm is selectable.
  • the pillar 13 is under the focus one on the Person sitting in the chair, therefore under the seat part 21 arranged.
  • a tray 43.45 is with a Upholstery layer 47.49 covered. About this is convenient a top layer, e.g. a fabric cover attached.
  • the sectional drawing in FIG. 3 clearly shows that the front edge 31 of the seat part 21 is not through the Carrying shell 43 of the seat part 21 is supported.
  • the Thigh support 23 is, however, directly below the wedge-shaped forward padding of the seat part 21 arranged so that one in front of the support shell 43 on the Seat part load on the upholstery and the carrier shell 45 of the thigh support 21 supports.
  • the thigh support 23 is also in the Sectional drawing of Figure 3 shown in full. With broken lines, it is also fully inserted Position shown.
  • Figure 4 shows a work chair with a Seat part 11 according to the invention and a backrest 53.
  • This backrest sits on a mandrel 52 ( Figures 1 and 3) on Carrier 24.
  • the backrest has a supporting skeleton 55 with a ascending branch 57 and on both sides about one horizontal branch 59 on.
  • a frame part 63 is fastened to the supporting skeleton 55.
  • On the frame part 63 is a fabric or fabric another, preferably air-permeable, elastic Material clamped.
  • This covering ( Figure 5, 65) is forward through a lumbar support 67 in the lumbar region 69 pressed.
  • the lumbar support 67 is a triangular Upholstered body formed, which is rotatable about its axis. Handles 71 are formed at the ends of the axis. The axis sits on both sides in one of several troughs 73 in one Holding jaw 75. The troughs are closed at the back, see above that the covering 65 presses the axle into the recess 73. thanks the elasticity of the covering can, however, counteract the axis the pressure of the fabric 65 to be lifted out of the trough then into a trough 73 at a different distance from the To let seat 21.23 slide back. By turning the Lumbar support 67 becomes a different one of the three Support surfaces 77 rotated against the fabric.
  • a Support surface 77 is curved forward horizontally, a second to the rear and the third is about level.
  • This backrest 53 is in perspective in FIG. 5 shown. Since the frame part 63 as well as the ascending Branch 57 of the supporting skeleton 55 is elastic, are at the Fastening points 61a-c elastic intermediate parts 79 arranged between the supporting skeleton 55 and the frame part 63.
  • the hanger has elastic End parts 85 and notches 87. Thanks to the notches 87 on Hangers 83 also hang a bag. Thanks to the elastic ends 85 can be found at the ends of the Do not bump the clothes hanger 83 painfully.
  • a on Hangers hang a garment creates one Climatic buffer zone behind the covering 65.
  • the slidable thigh support 23 does not is undesirably moved it can be locked. This happens for example with a clamping screw (not shown).
  • the thigh support is locked also by a toothing of guide comb 26 and Guide groove 27, as shown in Figure 6, reachable.
  • the Teeth 95 on the guide comb 26 only need in its front Area to be trained.
  • the teeth 91 on the guide groove However, 27 must be formed over the entire length of the groove his.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP98810643A 1998-07-07 1998-07-07 Chaise de travail à profondeur d'assise réglable Withdrawn EP0970637A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP98810643A EP0970637A1 (fr) 1998-07-07 1998-07-07 Chaise de travail à profondeur d'assise réglable
US09/348,294 US6189971B1 (en) 1998-07-07 1999-07-07 Task chair with adjustable seat depth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98810643A EP0970637A1 (fr) 1998-07-07 1998-07-07 Chaise de travail à profondeur d'assise réglable

Publications (1)

Publication Number Publication Date
EP0970637A1 true EP0970637A1 (fr) 2000-01-12

Family

ID=8236183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810643A Withdrawn EP0970637A1 (fr) 1998-07-07 1998-07-07 Chaise de travail à profondeur d'assise réglable

Country Status (2)

Country Link
US (1) US6189971B1 (fr)
EP (1) EP0970637A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001070072A1 (fr) * 2000-03-22 2001-09-27 Röder Haworth Büro-Sitzmöbel Gmbh Siege
DE10048898A1 (de) * 2000-10-02 2002-05-08 Stoll Sedus Ag Stuhl mit verstellbarer Sitztiefe
EP1685778A2 (fr) * 2001-08-30 2006-08-02 Pius Ponticelli Chaise
DE102007034409A1 (de) * 2007-07-24 2009-01-29 Bayerische Motoren Werke Aktiengesellschaft Sitz für ein Kraftfahrzeug
DE202011004160U1 (de) 2011-03-19 2012-06-26 Klöber GmbH Stuhl mit Beckenstütze und horizontal verschiebbarer Sitzfläche
DE102019134704A1 (de) * 2019-12-17 2021-06-17 Grammer Aktiengesellschaft Fahrzeugsitz

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US6990920B2 (en) * 2001-05-11 2006-01-31 Johnson Outdoors Inc. Adjustable seating system
US6736084B2 (en) 2001-05-22 2004-05-18 Confluence Holdings Corp. Adjustable seat for watercraft
US6890030B2 (en) 2001-07-31 2005-05-10 Haworth, Inc. Chair having a seat with adjustable front edge
WO2003068025A2 (fr) * 2002-02-13 2003-08-21 Herman Miller, Inc. Fauteuil basculant a dossier flexible, accoudoirs reglables et profondeur de siege reglable, et leurs procedes d'utilisation
US7625046B2 (en) * 2002-03-29 2009-12-01 Garrex Llc Task chair
US7040703B2 (en) * 2002-03-29 2006-05-09 Garrex Llc Health chair a dynamically balanced task chair
FR2854107B1 (fr) * 2003-04-23 2006-06-16 Faurecia Sieges Automobile Siege de vehicule automobile adaptable pour un enfant
WO2005006917A2 (fr) * 2003-07-09 2005-01-27 Sanchez Gary L Fauteuil de bureau
US7080885B2 (en) * 2003-11-18 2006-07-25 Kerr Corporation Task chair
US7338123B2 (en) 2004-03-15 2008-03-04 Sharon Buis Ergonomic chair
US20050200188A1 (en) * 2004-03-15 2005-09-15 Buis Sharon G. KareChare
JP2006186673A (ja) * 2004-12-27 2006-07-13 Toshiba Corp 携帯型電子機器および同機器の記録制御方法
US20060169730A1 (en) * 2005-01-31 2006-08-03 Morrison Mark D System and method for supporting an object behind a seat
US20060207833A1 (en) * 2005-03-21 2006-09-21 Kessinger Douglas G Bow hunting stand
US7222920B1 (en) 2005-06-17 2007-05-29 Washington James N Adjustable chair
JP4719905B2 (ja) * 2005-10-27 2011-07-06 コクヨ株式会社 椅子
JP5002835B2 (ja) * 2005-10-27 2012-08-15 コクヨ株式会社 部材の接続構造
JP4721183B2 (ja) * 2005-11-11 2011-07-13 コクヨ株式会社 バネの取付構造
JP4747311B2 (ja) * 2005-11-11 2011-08-17 コクヨ株式会社 椅子
JP4945781B2 (ja) * 2005-11-11 2012-06-06 コクヨ株式会社 椅子
US7578554B2 (en) * 2005-11-17 2009-08-25 Illinois Tool Works Inc. Thigh extension system for a vehicle seat
US7226127B1 (en) * 2005-12-21 2007-06-05 Tk Canada Limited Ergonomic chair backrest
CN102151026B (zh) 2007-01-29 2016-05-18 赫尔曼米勒有限公司 座位结构及其使用方法
WO2008116180A2 (fr) * 2007-03-22 2008-09-25 Szczepkowski Michael Przemysla Siège avec ensemble de support de cuisse ajustable
US8408646B2 (en) 2010-04-08 2013-04-02 Ford Global Technologies, Llc Seat cushion extension mechanism
USD657166S1 (en) 2010-04-13 2012-04-10 Herman Miller, Inc. Chair
US8449037B2 (en) 2010-04-13 2013-05-28 Herman Miller, Inc. Seating structure with a contoured flexible backrest
USD650206S1 (en) 2010-04-13 2011-12-13 Herman Miller, Inc. Chair
USD652657S1 (en) 2010-04-13 2012-01-24 Herman Miller, Inc. Chair
USD639091S1 (en) 2010-04-13 2011-06-07 Herman Miller, Inc. Backrest
USD653061S1 (en) 2010-04-13 2012-01-31 Herman Miller, Inc. Chair
USD637423S1 (en) 2010-04-13 2011-05-10 Herman Miller, Inc. Chair
US20110304192A1 (en) * 2010-06-15 2011-12-15 Augustat Betty A Ergometric Chair Apparatus
JP6170504B2 (ja) 2011-12-08 2017-07-26 ハーマン、ミラー、インコーポレイテッドＨｅｒｍａｎ Ｍｉｌｌｅｒ Ｉｎｃｏｒｐｏｒａｔｅｄ 身体支持複合部材ならびにその製造方法および再利用方法
US8991921B2 (en) 2012-07-20 2015-03-31 Steelcase Inc. Seating unit with seat position and depth adjustment assembly
WO2014117044A1 (fr) * 2013-01-26 2014-07-31 Farley David L Matelas
EP2981466B1 (fr) * 2013-04-05 2021-06-02 St Engineering Aerospace Ltd. Structure de siège pour un siège passager, et siège passager
USD703457S1 (en) 2013-06-07 2014-04-29 Herman Miller, Inc. Chair
DE102014220695A1 (de) * 2014-10-13 2016-04-28 Haworth Gmbh Stuhl, insbesondere Bürostuhl
US9963058B2 (en) 2015-05-29 2018-05-08 Ford Global Technologies, Llc Self-adjusting rear seat cushion for comfort and storage
US10266073B2 (en) * 2016-09-08 2019-04-23 Ford Global Technologies, Llc Seat base for a seating assembly
CN107067877A (zh) * 2017-01-24 2017-08-18 史晨颐 大提琴练习用成长套组
ES2925991T3 (es) * 2020-02-21 2022-10-20 Aeteron Gmbh Silla

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007738A (en) * 1958-12-16 1961-11-07 Gardel Robert Extension leg rest for chairs and the like
DE4040138A1 (de) * 1990-12-15 1992-06-17 Link Wilhelm Kg Stuhl, insbesondere buerostuhl
DE4126520A1 (de) * 1991-08-10 1993-02-11 Grammer Ag Sitz, insbes. fahrzeugsitz
EP0587523A1 (fr) * 1992-09-11 1994-03-16 Sears Manufacturing Company Coussin réglable
DE19617689C1 (de) * 1996-05-03 1997-07-03 Faure Bertrand Sitztech Gmbh Sitztiefenverstellvorrichtung für Kraftfahrzeugsitze

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DE8614186U1 (de) * 1986-05-26 1986-07-17 Drabert Söhne GmbH & Co, 4950 Minden Stuhl
DE4227329A1 (de) 1992-08-18 1994-02-24 Dauphin Friedrich W Gmbh Stuhl mit Sitztiefenverstellung
NO176465C (no) 1992-10-19 1995-04-12 Arne O Rykken Anordning ved en möbeldel, spesielt en leggstöttedel for en stol
US5716099A (en) * 1996-08-14 1998-02-10 Novimex Fashion Ltd. Chair with split reclining seat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007738A (en) * 1958-12-16 1961-11-07 Gardel Robert Extension leg rest for chairs and the like
DE4040138A1 (de) * 1990-12-15 1992-06-17 Link Wilhelm Kg Stuhl, insbesondere buerostuhl
DE4126520A1 (de) * 1991-08-10 1993-02-11 Grammer Ag Sitz, insbes. fahrzeugsitz
EP0587523A1 (fr) * 1992-09-11 1994-03-16 Sears Manufacturing Company Coussin réglable
DE19617689C1 (de) * 1996-05-03 1997-07-03 Faure Bertrand Sitztech Gmbh Sitztiefenverstellvorrichtung für Kraftfahrzeugsitze

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001070072A1 (fr) * 2000-03-22 2001-09-27 Röder Haworth Büro-Sitzmöbel Gmbh Siege
DE10048898A1 (de) * 2000-10-02 2002-05-08 Stoll Sedus Ag Stuhl mit verstellbarer Sitztiefe
EP1685778A2 (fr) * 2001-08-30 2006-08-02 Pius Ponticelli Chaise
EP1685778A3 (fr) * 2001-08-30 2006-12-06 Pius Ponticelli Chaise
DE102007034409A1 (de) * 2007-07-24 2009-01-29 Bayerische Motoren Werke Aktiengesellschaft Sitz für ein Kraftfahrzeug
DE202011004160U1 (de) 2011-03-19 2012-06-26 Klöber GmbH Stuhl mit Beckenstütze und horizontal verschiebbarer Sitzfläche
EP2502520A1 (fr) 2011-03-19 2012-09-26 Klöber GmbH Chaise dotée d'un soutien de bassin et d'un siège déplaçable horizontalement
DE102019134704A1 (de) * 2019-12-17 2021-06-17 Grammer Aktiengesellschaft Fahrzeugsitz
US11420539B2 (en) 2019-12-17 2022-08-23 Grammer Ag Vehicle seat with inclining backrest feature

Also Published As

Publication number Publication date
US6189971B1 (en) 2001-02-20

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