EP1836932A2 - Dispositif de soutien lombaire - Google Patents

Dispositif de soutien lombaire Download PDF

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Publication number
EP1836932A2
EP1836932A2 EP07004503A EP07004503A EP1836932A2 EP 1836932 A2 EP1836932 A2 EP 1836932A2 EP 07004503 A EP07004503 A EP 07004503A EP 07004503 A EP07004503 A EP 07004503A EP 1836932 A2 EP1836932 A2 EP 1836932A2
Authority
EP
European Patent Office
Prior art keywords
membrane
lumbar support
backrest frame
backrest
webs
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.)
Granted
Application number
EP07004503A
Other languages
German (de)
English (en)
Other versions
EP1836932A3 (fr
EP1836932B1 (fr
Inventor
Klaus Maier
Kurt Buntru
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 EP1836932A2 publication Critical patent/EP1836932A2/fr
Publication of EP1836932A3 publication Critical patent/EP1836932A3/fr
Application granted granted Critical
Publication of EP1836932B1 publication Critical patent/EP1836932B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47C7/36—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

Definitions

  • the invention relates to the field of furniture industry. It relates to a device for lumbar support for an office chair, the backrest consists of a membrane-covered backrest frame.
  • the lordosis is the curvature of the spine forward (hollow back).
  • the said devices for lumbar support should fill this cavity as accurately as possible.
  • a single-sided membrane-covered backrest without upholstery construction does not constitute an over-upholstery of the plastic element. Therefore, a device for lordosis support placed behind or in front of the membrane and stored independently of the membrane in the backrest frame will disadvantageously be uncomfortable to the back, even if it is soft or padded , This is done according to EP 0 856 269 B1 For example, to prevent that a height-adjustable behind the membrane stiffening element is rotatably mounted on the backrest frame. A disadvantage of this solution is the great effort for the production and installation of the two lateral pivotal connections for this stiffening element, which contribute significantly to increasing the chair costs.
  • a device for lumbar support for an office chair with a backrest of a one-sided membrane-covered backrest frame is known, which is arranged behind the membrane and stored independently of the membrane in the backrest frame. It is both height-adjustable and horizontally stretchable and consists of a central part with two relatively rigid support elements, which have a centrally disposed elastic element, preferably a rubber band with each other are connected and each outside a guide web, which are arranged displaceably in the backrest frame.
  • the front part of the device arranged towards the membrane has a cushioning plate with cushioning cushions, the back part of the device is formed by a plastic plate.
  • the pad plate and the plastic plate are connected to each other by means of a clip connection.
  • This device advantageously supports, on the one hand, the lordosis region of the user of such a chair individually very effectively and, on the other hand, also has sufficient elasticity which results in that the cushion does not press.
  • the disadvantage is the comparatively high manufacturing and assembly costs, in particular for sewing the rubber band, and the associated high price.
  • the invention seeks to avoid the mentioned disadvantages of the known prior art. It is the object of the invention to develop a device for lumbar support in a membrane-covered backrest of a chair, which is simple and inexpensive to manufacture, and still their task, namely an effective spine relief for the prevention of fatigue and tension of the back muscles, very well.
  • the device according to the invention is very simple and inexpensive to produce.
  • the identical support parts can be made in one piece from plastic in automated operations. Expensive handwork, such as sewing the rubber band for the off DE 101 21 207 A1 known solution, deleted.
  • the device for lumbar support is stored independently of the membrane in the backrest frame and both height adjustable and horizontally stretchable over the two spring elements and the polyurethane foam. This guarantees effective relief of the spine.
  • the device for lumbar support is used for an office chair, the backrest frame is covered on both sides with a membrane, wherein the device according to the invention is arranged in an advantageous manner between the two membranes. This gives a chair designed in this way a filigree and aesthetically pleasing impression.
  • the guide bar is arranged to be vertically displaceable in a guide track provided with latching lugs of the seat back frame, and the device for lumbar support is anchored with the aid of a latchable Lordosenschiebers, which is inserted from the outside into the receiving device. This avoids unintentional slipping of the device.
  • Fig. 1 shows a perspective view of an office swivel chair 1 with a built-in device according to the invention for lumbar support 2.
  • the office swivel chair 1 has a backrest frame 3, which is covered on both sides with a membrane 4, not shown in Fig. 1.
  • the device 2 according to the invention is arranged between the two parts of the membrane 4, not shown in Figure 1 and independently of it.
  • Fig. 2 shows a plan view of a part of the device according to the invention for lumbar support 2 and Fig. 3 is a complete plan view of the device 2.
  • the device 2 consists of two identical support elements 5, which are integrally made of plastic.
  • the support elements 5 each have on the outside a lateral guide web 6 and a receiving device 7 for engaging a Lordosenschiebers 8, wherein the guide web 6, a spring element 9 connects, which is connected to a rigid central part 10.
  • the middle part 10 is formed comb-like at its other, the spring element 9 opposite end and therefore has individual webs 11. In the present case, there are two webs 11.
  • the two identical carrier parts 5 are rotated by 180 ° to each other and are arranged so that the webs 11 of their two middle parts 10 engage each other, which can be seen well in Fig. 2.
  • the two carrier elements 5 are held by a PUR foam 13 (FIG. 3) applied on both sides over their middle parts 10.
  • the PU foam element 13 brings some necessary elasticity, on the other hand, the lordosis of the user of the chair is well filled by its shape, which improves the supporting effect of the device according to the invention.
  • Fig. 4 is a partial cross section and in Fig. 5 is a partial longitudinal section of both sides covered with a membrane 4 backrest of the office swivel chair 1 with the built-in device according to the invention for lumbar support 2 is shown.
  • the membrane 4 is secured in the backrest frame 3 of the office chair 1 by means of membrane spring.
  • the device for lumbar support 2 is arranged so that it is not immediately visible and makes the office swivel chair 1 a filigree and aesthetically beautiful impression.
  • the device for lumbar support 2 is mounted independently of the membrane 4 in the backrest frame 3 and both height adjustable and over the two spring elements 9 and the polyurethane foam 13 horizontally stretchable. Thus, an effective relief of the spine of the chair user is guaranteed.
  • the spring elements 9 in the Lordosenschiebern 8 prevent vertical slipping of the lumbar support.
  • the guide web 6 of the support element 5 is arranged in a provided with locking lugs 14 guideway 15 of the backrest frame 3 substantially vertically displaceable.
  • the Lordosenschieber 8 is inserted from the outside into the receiving device 7 of the support elements 5, engages and anchors the device for lumbar support 2.
  • the device 2 is stored in the backrest frame 3.
  • the device according to the invention is easy to manufacture and handle. It is also inexpensive. By using different material pairings an adaptation to different loads can be made possible.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs Characterized By Structure (AREA)
  • Paper (AREA)
  • Massaging Devices (AREA)
  • Surgical Instruments (AREA)
EP07004503A 2006-03-20 2007-03-06 Dispositif de soutien lombaire Not-in-force EP1836932B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006012618A DE102006012618A1 (de) 2006-03-20 2006-03-20 Vorrichtung zur Lordosenabstützung

Publications (3)

Publication Number Publication Date
EP1836932A2 true EP1836932A2 (fr) 2007-09-26
EP1836932A3 EP1836932A3 (fr) 2008-05-28
EP1836932B1 EP1836932B1 (fr) 2009-08-19

Family

ID=38226304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07004503A Not-in-force EP1836932B1 (fr) 2006-03-20 2007-03-06 Dispositif de soutien lombaire

Country Status (6)

Country Link
US (1) US7344194B2 (fr)
EP (1) EP1836932B1 (fr)
AT (1) ATE439780T1 (fr)
AU (1) AU2007201189A1 (fr)
CA (1) CA2582021A1 (fr)
DE (2) DE102006012618A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2622991A1 (fr) * 2012-01-31 2013-08-07 Sedus Stoll AG Soutien de lordose, inclinaison de dossier, chaise et procédé de réglage d'un soutien de lordose
EP3075370B1 (fr) * 2015-03-30 2019-08-14 Arturo Gomez Cores Appareil d'auto-massage

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EP2102031A1 (fr) * 2006-12-08 2009-09-23 Johnson Controls Technology Company Siège de véhicule à support lombaire
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
US20100078975A1 (en) * 2008-09-30 2010-04-01 Ming-Shiang Kang Structure of a single-part elastic waist support
US8096928B2 (en) * 2009-08-05 2012-01-17 Izhuk Ovadia Device for treating the lower back
US20110148157A1 (en) * 2009-12-15 2011-06-23 Faurecia Automotive Seating, Inc. Vehicle seat with pelvis-motion regulator
US8449037B2 (en) * 2010-04-13 2013-05-28 Herman Miller, Inc. Seating structure with a contoured flexible backrest
MX2012012739A (es) 2010-05-05 2013-04-09 Allsteel Inc Sistema de paneles de pared movible y desinstalable para paneles de pared acristalados a tope.
JP5855908B2 (ja) * 2011-11-04 2016-02-09 株式会社岡村製作所 椅子
JP5882684B2 (ja) * 2011-11-04 2016-03-09 株式会社岡村製作所 椅子
JP5855907B2 (ja) * 2011-11-04 2016-02-09 株式会社岡村製作所 椅子
CN104023593B (zh) * 2011-11-04 2016-04-27 株式会社冈村制作所 椅子
JP5940337B2 (ja) * 2012-03-26 2016-06-29 タカノ株式会社 ランバーサポート取付け構造
US8573697B1 (en) * 2012-08-26 2013-11-05 Tung-Hua Su Combination of a waistrest and a backrest
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
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US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
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JP6343801B2 (ja) * 2012-10-18 2018-06-20 株式会社オカムラ 椅子の面材取付構造、椅子の身体支持部材及び椅子
JP6140419B2 (ja) * 2012-10-18 2017-05-31 株式会社岡村製作所 ランバーサポート及び椅子
US8973994B2 (en) * 2013-01-31 2015-03-10 Toyota Motor Engineering & Manufacturing North America, Inc. Variable lumbar support assembly
CA2906736C (fr) 2013-03-15 2021-11-02 Hni Technologies Inc. Chaise ayant une flexion arriere activee
USD703988S1 (en) 2013-06-07 2014-05-06 Steelcase Inc. Chair
USD704487S1 (en) 2013-06-07 2014-05-13 Steelcase Inc. Chair
WO2015160693A1 (fr) * 2014-04-17 2015-10-22 Hni Technologies Inc. Support lombaire souple
US10568433B2 (en) 2014-05-20 2020-02-25 Jörg Schwarzbich Lordosis support
DE202014102360U1 (de) 2014-05-20 2015-08-21 Jörg Schwarzbich Lordosenstütze
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
KR101664651B1 (ko) * 2015-01-16 2016-10-10 현대자동차주식회사 목 상해 저감 성능이 향상되는 차량용 시트
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
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USD787208S1 (en) * 2015-07-24 2017-05-23 Roger Webb Furniture
JP6650094B2 (ja) * 2015-10-26 2020-02-19 コクヨ株式会社 椅子
USD784749S1 (en) * 2016-02-12 2017-04-25 Haworth, Inc. Lumbar support for a chair
US10463153B2 (en) 2016-06-09 2019-11-05 Steelcase Inc. Seating arrangement
USD845692S1 (en) 2016-06-13 2019-04-16 Herman Miller, Inc. Chair and chair components
USD845050S1 (en) 2016-06-13 2019-04-09 Herman Miller, Inc. Chair and chair components
JP6158999B2 (ja) * 2016-08-31 2017-07-05 株式会社岡村製作所 椅子
USD798092S1 (en) * 2017-01-09 2017-09-26 Oasyschair Co., Ltd. Backrest for a chair
USD851952S1 (en) 2017-05-25 2019-06-25 Steelcase Inc. Seating arrangement
USD851418S1 (en) 2017-05-25 2019-06-18 Steelcase Inc. Seating arrangement
USD852524S1 (en) 2017-05-25 2019-07-02 Steelcase Inc. Seating arrangement
USD852525S1 (en) 2017-05-25 2019-07-02 Steelcase Inc. Seating arrangement
USD846294S1 (en) 2017-05-25 2019-04-23 Steelcase Inc. Seating arrangement
USD851417S1 (en) 2017-05-25 2019-06-18 Steelcase Inc. Seating arrangement
USD852526S1 (en) 2017-05-25 2019-07-02 Steelcase Inc. Seating arrangement
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
US20190116964A1 (en) * 2017-10-15 2019-04-25 Erik Jia Lumbar Cushion Support Attachment for Backpacks
USD869889S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chairback
USD870479S1 (en) 2017-12-05 2019-12-24 Steelcase Inc. Chair
US11291305B2 (en) 2017-12-05 2022-04-05 Steelcase Inc. Compliant backrest
USD869872S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chair
USD869890S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chairback
US10813463B2 (en) 2017-12-05 2020-10-27 Steelcase Inc. Compliant backrest
EP4268676A3 (fr) 2019-02-21 2024-02-07 Steelcase Inc. Ensemble de support corporel et procédés d'utilisation et d'assemblage associés
USD907935S1 (en) 2019-05-31 2021-01-19 Steelcase Inc. Chair
USD907383S1 (en) 2019-05-31 2021-01-12 Steelcase Inc. Chair with upholstered back
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
DE102020105777B3 (de) 2020-03-04 2021-08-12 id aid GmbH Rückenlehne für ein Sitzmöbel mit einer Lordosenstütze
US11192652B1 (en) * 2020-07-16 2021-12-07 B/E Aerospace, Inc. Passenger seat dress cover with integrated adjustable lumbar support device
DE102020211676B4 (de) 2020-09-17 2022-08-04 Sedus Stoll Aktiengesellschaft Gepolstertes Sitzmöbel und Verfahren zur Herstellung eines Einlageelements für ein Sitzmöbel sowie Verfahren zur Veränderung der Sitzkontur eines solchen Sitzmöbels
USD995179S1 (en) * 2021-01-20 2023-08-15 Steelcase Inc. Chair with lumbar support
USD988048S1 (en) * 2021-01-20 2023-06-06 Steelcase Inc. Lumbar support
USD988049S1 (en) * 2021-05-12 2023-06-06 Steelcase Inc. Lumbar support
USD995180S1 (en) * 2021-05-12 2023-08-15 Steelcase Inc. Chair with lumbar support

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EP0518830A1 (fr) * 1991-06-11 1992-12-16 FIAT AUTO S.p.A. Appui dorsal pour sièges, en particulier pour sièges de véhicules automobiles
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EP1254616A2 (fr) * 2001-05-01 2002-11-06 Sedus Stoll AG Support lombaire

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EP0518830A1 (fr) * 1991-06-11 1992-12-16 FIAT AUTO S.p.A. Appui dorsal pour sièges, en particulier pour sièges de véhicules automobiles
EP0537839A1 (fr) * 1991-10-18 1993-04-21 CLERPREM S.p.A. Elément de support pour sièges utilisable par exemple comme support lombaire dans les dossiers des sièges automobiles
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EP1254616A2 (fr) * 2001-05-01 2002-11-06 Sedus Stoll AG Support lombaire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2622991A1 (fr) * 2012-01-31 2013-08-07 Sedus Stoll AG Soutien de lordose, inclinaison de dossier, chaise et procédé de réglage d'un soutien de lordose
EP3075370B1 (fr) * 2015-03-30 2019-08-14 Arturo Gomez Cores Appareil d'auto-massage

Also Published As

Publication number Publication date
ATE439780T1 (de) 2009-09-15
AU2007201189A1 (en) 2007-10-04
EP1836932A3 (fr) 2008-05-28
US20070216208A1 (en) 2007-09-20
CA2582021A1 (fr) 2007-09-20
DE502007001323D1 (de) 2009-10-01
US7344194B2 (en) 2008-03-18
DE102006012618A1 (de) 2007-09-27
EP1836932B1 (fr) 2009-08-19

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