EP1254616B1 - Vorrichtung zur Lordosenabstützung - Google Patents

Vorrichtung zur Lordosenabstützung Download PDF

Info

Publication number
EP1254616B1
EP1254616B1 EP02009088A EP02009088A EP1254616B1 EP 1254616 B1 EP1254616 B1 EP 1254616B1 EP 02009088 A EP02009088 A EP 02009088A EP 02009088 A EP02009088 A EP 02009088A EP 1254616 B1 EP1254616 B1 EP 1254616B1
Authority
EP
European Patent Office
Prior art keywords
membrane
guide
plastic plate
seatback frame
lumbar support
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
EP02009088A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1254616A3 (de
EP1254616A2 (de
Inventor
Harry Fischer
Klaus-Peter Grasse
Manfred Schlegel
Mathias Seiler
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.)
Sedus Stoll AG
Original Assignee
Sedus Stoll 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 Sedus Stoll AG filed Critical Sedus Stoll AG
Publication of EP1254616A2 publication Critical patent/EP1254616A2/de
Publication of EP1254616A3 publication Critical patent/EP1254616A3/de
Application granted granted Critical
Publication of EP1254616B1 publication Critical patent/EP1254616B1/de
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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
    • 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means

Definitions

  • the invention relates to the field of furniture industry. It concerns one Device for lumbar support for an office swivel chair, whose Backrest consists of a membrane-covered backrest frame.
  • Lumbar support devices such as lumbar cushions, which fit in the Backrests of office chairs are integrated counteract.
  • lordosis is the curvature of the spine forward (hollow back) called.
  • the Lumbar support device should as accurately as possible the cavity fill out.
  • chairs with a membrane-covered backrest are also models known with supporting devices, which only to a barely perceptible Lead lumbar support, z. B. Wilkhahn Modus, Vitra Meda Chair 2.
  • a foam padded backrest allows you to place between the upholstered panel and to attach a plastic element to the foam, which in height is individually movable and the pad at the point forwards arched, to it supports the lumbar region of the respective user.
  • the upholstery itself ensures that the plastic element does not press. After all, that is Plastic element as well overstuffed as the rest of the backrest.
  • the Upholstery largely equalizes the structure.
  • a membrane-covered backrest without upholstery construction does not Over-padding of the plastic element is therefore a back or forward presses the membrane is arranged and independent of the membrane in the Backrest frame firmly stored device for lumbar support uncomfortable in the back, even if it is soft or padded.
  • Lumbar support devices which are both height adjustable, as well as horizontally stretchable.
  • the invention seeks to overcome these mentioned disadvantages of the prior art Technology to avoid. It is the object of a device for Lumbar support for an office chair with a backrest made of a membrane-covered backrest frame is to develop, wherein the lumbar support should be easily adjustable in height, the user of the Do not push the chair and at the same time the lumbar area individually should support effectively.
  • the Lordosenkissenver ein is independent of the membrane in the Stored backrest frame, but has sufficient elasticity, which causes the pillow does not press.
  • the elastic element is a rubber belt. This is sufficient under a load and causes an elongation of Carrier elements, so that the device, in particular the cushion pad, after deflects at the rear. Thus, no unduly high back pressure arises.
  • the guide webs of the carrier elements respectively in a guide slot of the backrest frame or on one Guide web of the backrest frame are mounted. That way is one easy guidance and height adjustment of the device for lumbar support possible. There is an exact tracking of the pillow according to the Membrane.
  • Fig. 1 shows in a plan view of the backrest frame (1) of a Office chair with membrane-covered back rest Device according to the invention in a first embodiment.
  • Fig. 2 shows the corresponding section along the line II-II.
  • the backrest of the chair consists of a backrest frame 1, which covered with a membrane 2.
  • the membrane 2 is by means of membrane 3 in the Backrest frame 1 attached.
  • the inventive device for Lordosenabst Reifenung is located behind the diaphragm 2 and independent of the membrane 2 stored in the backrest frame 1.
  • the middle section has two relatively rigid ones Support elements 4 made of plastic, which in the middle by an elastic Rubber belt 5 are connected to each other.
  • the support elements 4 each have on the rubber belt 5 facing sides of a slot 12.
  • the Tension of the membrane 2 ensures that the guide webs 6 not can snap out.
  • the cushion plate 9 with the cushion pad 8 and the plastic plate 10 are connected to each other via two clip connections 11.
  • the clip connections 11 are each guided in the slots 12 of the support elements 4, so that on this way all three major parts of the lumbar support are joined together are.
  • the leadership of the clip connection 11 in the slots 12 allows it the cushion plate 9 with the cushion pad 8 and the plastic plate 10 on the Carrier elements 4 are horizontally displaceable.
  • the advantage of the invention is in particular that on the elasticity of the Rubber belt and the strength and density of the upholstery structure the potency - The pressure of the device can be tuned exactly.
  • the cushion pillow is easily replaceable and by the use of different clamping material an individual bias is realized.
  • FIG. 3 another embodiment is shown. It differs of the first embodiment only in that instead of Guide slot in the backrest frame 1 a guide bar 13 on Backrest frame 1 is arranged. The guide webs 6 of the support elements 4 are guided on these guide webs 13. The tension of the membrane 2 ensures that the guide webs 6 can not snap out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs Characterized By Structure (AREA)
  • Massaging Devices (AREA)
  • Surgical Instruments (AREA)
  • Paper (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
EP02009088A 2001-05-01 2002-04-24 Vorrichtung zur Lordosenabstützung Expired - Lifetime EP1254616B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10121207 2001-05-01
DE10121207A DE10121207A1 (de) 2001-05-01 2001-05-01 Vorrichtung zur Lordosenabstützung
US10/137,335 US6575530B1 (en) 2001-05-01 2002-05-03 Device for lumbar support

Publications (3)

Publication Number Publication Date
EP1254616A2 EP1254616A2 (de) 2002-11-06
EP1254616A3 EP1254616A3 (de) 2004-01-14
EP1254616B1 true EP1254616B1 (de) 2005-06-08

Family

ID=27758382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02009088A Expired - Lifetime EP1254616B1 (de) 2001-05-01 2002-04-24 Vorrichtung zur Lordosenabstützung

Country Status (7)

Country Link
US (1) US6575530B1 (es)
EP (1) EP1254616B1 (es)
AT (1) ATE297149T1 (es)
CA (1) CA2383488C (es)
DE (2) DE10121207A1 (es)
ES (1) ES2243617T3 (es)
MX (1) MXPA02004338A (es)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7014269B2 (en) * 2001-06-15 2006-03-21 Hon Technology Inc. Chair back construction
US7651163B2 (en) 2002-12-02 2010-01-26 Logicback, Inc. Lumbar support device
US7097247B2 (en) * 2003-06-05 2006-08-29 Steelcase Development Corporation Seating unit with adjustable lumbar device
US6893098B2 (en) 2003-10-07 2005-05-17 Kambiz Kohani Chair mounted back support system
JP4127193B2 (ja) 2003-11-13 2008-07-30 コクヨ株式会社 椅子の背凭れ
TWM269799U (en) * 2005-01-12 2005-07-11 Comfordy Co Ltd Improvement of reticular chairback structure
JP4964427B2 (ja) * 2005-03-31 2012-06-27 株式会社岡村製作所 椅子の背凭れ装置
DE102006012618A1 (de) 2006-03-20 2007-09-27 Sedus Stoll Ag Vorrichtung zur Lordosenabstützung
US7585027B2 (en) 2006-04-07 2009-09-08 Schukra Of North America Overmolded thin-profile lumbar support
US7854479B2 (en) * 2007-04-30 2010-12-21 L&P Property Management Company Overmolded lumbar support apparatus and method
US7857388B2 (en) * 2007-06-01 2010-12-28 Steelcase Inc. Seating unit with adjustable lumbar device
US20100078975A1 (en) * 2008-09-30 2010-04-01 Ming-Shiang Kang Structure of a single-part elastic waist support
JP5693837B2 (ja) * 2009-10-19 2015-04-01 株式会社岡村製作所 椅子
US8602494B2 (en) * 2010-03-16 2013-12-10 Sava Cvek Pivoting task chair
US8474909B2 (en) 2010-09-21 2013-07-02 La-Z-Boy Incorporated Power lift lumbar support system
US8991922B2 (en) 2011-06-02 2015-03-31 Formway Furniture Limited Lumbar support for a chair
CN104023593B (zh) * 2011-11-04 2016-04-27 株式会社冈村制作所 椅子
US9199565B2 (en) 2012-09-13 2015-12-01 Leggett & Platt Canada Co. Lumbar support system
US10632882B2 (en) 2012-09-13 2020-04-28 Leggett & Platt Canada Co. Lumbar support system
US9193280B2 (en) 2012-09-13 2015-11-24 Leggett & Platt Canada Co. Lumbar support system
US9193287B2 (en) 2012-09-13 2015-11-24 Leggett & Platt Canada Co. Lumbar support system
US9913540B2 (en) 2012-09-21 2018-03-13 Steelcase Inc. Chair construction
JP5600151B2 (ja) * 2012-09-24 2014-10-01 株式会社岡村製作所 椅子の背凭れ装置
DE102012219241B4 (de) * 2012-10-22 2017-11-02 Sedus Stoll Ag Sitzmöbelkomponente und Sitzmöbel
US9480339B2 (en) 2012-12-31 2016-11-01 Sava Cvek Seat with pelvic support
KR101664651B1 (ko) * 2015-01-16 2016-10-10 현대자동차주식회사 목 상해 저감 성능이 향상되는 차량용 시트
US10463153B2 (en) * 2016-06-09 2019-11-05 Steelcase Inc. Seating arrangement
USD845050S1 (en) * 2016-06-13 2019-04-09 Herman Miller, Inc. Chair and chair components
USD845692S1 (en) 2016-06-13 2019-04-16 Herman Miller, Inc. Chair and chair components
DE102017117846A1 (de) * 2017-08-07 2019-02-07 Faurecia Autositze Gmbh Vorrichtung und Verfahren zur Verstellung eines Sitzes
DE102017117847A1 (de) * 2017-08-07 2019-02-07 Faurecia Autositze Gmbh Vorrichtung und Verfahren zur Verstellung eines Sitzes
USD869872S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chair
USD869889S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chairback
US11291305B2 (en) 2017-12-05 2022-04-05 Steelcase Inc. Compliant backrest
US10813463B2 (en) 2017-12-05 2020-10-27 Steelcase Inc. Compliant backrest
USD869890S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chairback
USD870479S1 (en) 2017-12-05 2019-12-24 Steelcase Inc. Chair
USD878107S1 (en) 2018-08-01 2020-03-17 Letronics, Inc. Combination headrest and lumbar support
US10952535B2 (en) * 2018-11-05 2021-03-23 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11324324B2 (en) 2018-11-05 2022-05-10 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11672348B2 (en) 2018-11-05 2023-06-13 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
USD907383S1 (en) 2019-05-31 2021-01-12 Steelcase Inc. Chair with upholstered back
USD907935S1 (en) 2019-05-31 2021-01-19 Steelcase Inc. Chair
US11192652B1 (en) * 2020-07-16 2021-12-07 B/E Aerospace, Inc. Passenger seat dress cover with integrated adjustable lumbar support device
CN112120453B (zh) * 2020-09-02 2024-07-09 安徽久工健业有限责任公司 一种按摩椅架体结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556197A1 (fr) * 1983-12-07 1985-06-14 Renault Dossier de siege avec appui lombaire ajustable
JPH06508047A (ja) * 1991-06-04 1994-09-14 ヘンダーソンズ　インダストリーズ　プロプライアタリー　リミティド 座席用可調節ランバーサポートの改良
DE69334200T2 (de) * 1992-06-15 2008-12-24 Herman Miller, Inc., Zeeland Rückenlehne für einen Stuhl
US6220661B1 (en) * 1999-04-19 2001-04-24 Steelcase Development Inc. Chair back and method of assembly
US5871258A (en) * 1997-10-24 1999-02-16 Steelcase Inc. Chair with novel seat construction
DE19856349C2 (de) * 1998-12-07 2003-10-16 Faurecia Autositze Gmbh & Co Sitzteil oder Rückenlehne eines Kraftfahrzeugsitzes
DE29918456U1 (de) * 1999-10-20 1999-12-23 Interstuhl Bueromoebel Gmbh Stuhl, insbesondere Arbeitsstuhl
US6354662B1 (en) * 2001-01-04 2002-03-12 Tung-Hua Su Waistrest assembly for a chair

Also Published As

Publication number Publication date
ATE297149T1 (de) 2005-06-15
CA2383488A1 (en) 2002-11-01
MXPA02004338A (es) 2002-11-14
EP1254616A3 (de) 2004-01-14
DE50203312D1 (de) 2005-07-14
CA2383488C (en) 2009-02-03
EP1254616A2 (de) 2002-11-06
US6575530B1 (en) 2003-06-10
DE10121207A1 (de) 2002-11-07
ES2243617T3 (es) 2005-12-01

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