JPS644245U - - Google Patents

Info

Publication number
JPS644245U
JPS644245U JP1987100645U JP10064587U JPS644245U JP S644245 U JPS644245 U JP S644245U JP 1987100645 U JP1987100645 U JP 1987100645U JP 10064587 U JP10064587 U JP 10064587U JP S644245 U JPS644245 U JP S644245U
Authority
JP
Japan
Prior art keywords
torsion spring
locking
cam
cut out
lumbar
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
JP1987100645U
Other languages
English (en)
Other versions
JPH0415077Y2 (ja
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 filed Critical
Priority to JP1987100645U priority Critical patent/JPH0415077Y2/ja
Priority to US07/206,367 priority patent/US4886316A/en
Priority to DE19883821018 priority patent/DE3821018C2/de
Publication of JPS644245U publication Critical patent/JPS644245U/ja
Application granted granted Critical
Publication of JPH0415077Y2 publication Critical patent/JPH0415077Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B60N2/667—Lumbar supports having flexible support member bowed by applied forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示し、第１図は本考
案装置を備えたフレーム構造体の斜視図、第２図
は第１図における―線断面図、第３図は第２
図における―線断面図、第４図は分解斜視図
、第５図は第１図における―線断面図である
。 図中、１はランバープレート、２はトーシヨン
スプリング、２２，２３はトーシヨンスプリング
の係合部、３ａ，３ｂは係止片、３１，３２は係
止孔、４はカム、５はバツクフレームを夫々示す
。

Claims (1)

    【実用新案登録請求の範囲】
  1. 長手方向の中央部にランバープレートを有する
    と共に、コ字状に折曲させてバツクフレームの左
    右に渉つて回動可能に取付けるトーシヨンスプリ
    ングと、バツクフレームの左右に夫々固着してト
    ーシヨンスプリングの端部を係止する二ケの係止
    片と、該係止片の一方側に装設してトーシヨンス
    プリングを起伏させるカムとからなり、前記トー
    シヨンスプリングの両端には夫々同一方向に折曲
    する係合部を延設し、前記カム側の係止片にはカ
    ムによるトーシヨンスプリングの起伏方向に対し
    て直交状に切欠した係止孔を設け、他方の係止片
    にはトーシヨンスプリングに加わる荷重に対して
    直交状に切欠した係止孔を設け、該両係止孔に前
    記トーシヨンスプリングの係合部を嵌合すること
    により、ランバープレートを備えたトーシヨンス
    プリングを組付けてなるランバーサポート装置。
JP1987100645U 1987-06-30 1987-06-30 Expired JPH0415077Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1987100645U JPH0415077Y2 (ja) 1987-06-30 1987-06-30
US07/206,367 US4886316A (en) 1987-06-30 1988-06-14 Lumbar support device
DE19883821018 DE3821018C2 (de) 1987-06-30 1988-06-22 Lumbal-stuetzvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987100645U JPH0415077Y2 (ja) 1987-06-30 1987-06-30

Publications (2)

Publication Number Publication Date
JPS644245U true JPS644245U (ja) 1989-01-11
JPH0415077Y2 JPH0415077Y2 (ja) 1992-04-06

Family

ID=14279561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987100645U Expired JPH0415077Y2 (ja) 1987-06-30 1987-06-30

Country Status (3)

Country Link
US (1) US4886316A (ja)
JP (1) JPH0415077Y2 (ja)
DE (1) DE3821018C2 (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224757A (en) * 1988-03-31 1993-07-06 Henderson's Federal Spring Works Pty. Ltd. Lumbar support waist band and mechanism therefor
JPH02147008A (ja) * 1988-11-29 1990-06-06 Nissan Shatai Co Ltd ランバサポート装置
IL95262A (en) * 1990-08-01 1992-06-21 Cohen Gideon Orthopedic cushion
JPH06505902A (ja) * 1991-03-26 1994-07-07 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 腰部支持調整装置
US5860700A (en) * 1991-03-26 1999-01-19 Henderson's Industries Pty. Ltd. Lumbar support adjustment device
US5174629A (en) * 1991-11-19 1992-12-29 Tachi-S Co., Ltd. Lumbar support device
US5318341A (en) * 1992-01-28 1994-06-07 Hoover Universal, Inc. Vehicle seat assembly with structural seat back to accommodate seat belt loads applied to seat back
DE69315892T2 (de) * 1992-06-09 1998-04-16 Ikeda Bussan Co Lendenstütze für einen Stuhl
JP2701675B2 (ja) * 1992-09-24 1998-01-21 アイシン精機株式会社 ランバーサポート装置
US5286087A (en) * 1992-11-09 1994-02-15 Hoover Universal, Inc. Seat assembly with lumbar support mechanism
US5588703A (en) * 1995-10-12 1996-12-31 Tachi-S Co., Ltd. Lumbar support device for vehicle seat
GB2321401B (en) * 1997-01-20 2000-11-01 Suzuki Motor Co Construction of an automotive seat
DE19813951C2 (de) * 1998-03-28 2003-04-17 Steifensand Bueromoebel Gmbh Stuhl, insbesondere Drehstuhl, mit einer Rückenlehne mit Lumbalstütze
DE20309203U1 (de) 2003-06-14 2003-08-28 Ferdinand Lusch Gmbh & Co Kg, 33649 Bielefeld Sitzmöbel mit einer Rückenlehne
DE102004012850B4 (de) * 2003-10-01 2005-08-11 Leopold Schlosser Rückenlehne für eine Sitzvorrichtung, insbesondere für einen Drehstuhl
US7731285B2 (en) * 2008-07-15 2010-06-08 Tachi-S Co., Ltd. Arrangement for retaining crank element in automotive seat
US8454090B2 (en) * 2009-09-14 2013-06-04 Leggett & Platt Canada Co. Pelvic and lumbar support system
JP5738626B2 (ja) * 2011-02-28 2015-06-24 デルタ工業株式会社 車両用ランバーサポート付きシートバックの構造
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US10427569B2 (en) 2015-01-26 2019-10-01 Kongsberg Automotive, Inc. Adjustment mechanism for a seat
US9700143B2 (en) * 2015-06-29 2017-07-11 Yao-Chuan Wu Adjustable lumbar support apparatus for seat back
US9604560B1 (en) 2015-11-13 2017-03-28 Kongsberg Automotive, Inc. Assembly for adjusting a lumbar region of a seat

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5357620A (en) * 1976-11-01 1978-05-25 Aisin Seiki Co Ltd Lumber support adjusting apparatus
JPS5549A (en) * 1978-06-12 1980-01-05 Earth Chemical Co Neck ring for pet
DE3306994A1 (de) * 1983-02-28 1984-08-30 P.A. Rentrop Hubbert & Wagner Fahrzeugausstattungen GmbH & Co KG, 3060 Stadthagen Sitz, insbesondere kraftfahrzeugsitz
US4550949A (en) * 1983-09-30 1985-11-05 Tachikawa Spring Co., Ltd. Lumbar support device
DE3336349C2 (de) * 1983-10-06 1986-03-27 Adam Opel AG, 6090 Rüsselsheim Rückenlehne mit regelbarer Rückenunterstützung
AU557891B2 (en) * 1983-10-18 1987-01-15 Tachikawa Spring Co. Ltd. Lumbar support device
FR2562002B1 (fr) * 1984-03-27 1986-08-22 Peugeot Cycles Dispositif de reglage local de la tension d'une nappe elastique et nappe elastique, notamment pour dossier de siege, munie d'un tel dispositif
JPS60207614A (ja) * 1984-03-29 1985-10-19 株式会社タチエス ランバ−サポ−ト装置
US4564235A (en) * 1984-11-09 1986-01-14 Tachikawa Spring Co., Ltd. Lumbar support device
JPS6266810A (ja) * 1985-09-19 1987-03-26 アイシン精機株式会社 ランバ−サポ−ト装置
DE3616155A1 (de) * 1986-05-14 1987-11-19 Keiper Recaro Gmbh Co Polstertraeger fuer fahrzeugsitze, insbesondere kraftfahrzeugsitze
US4725095A (en) * 1986-07-11 1988-02-16 Johnson Service Company Vehicle seat with mechanical lumbar support having two degrees of freedom

Also Published As

Publication number Publication date
US4886316A (en) 1989-12-12
DE3821018A1 (de) 1989-01-12
DE3821018C2 (de) 1991-06-20
JPH0415077Y2 (ja) 1992-04-06

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