JPH052128Y2 - - Google Patents

Info

Publication number
JPH052128Y2
JPH052128Y2 JP1986047822U JP4782286U JPH052128Y2 JP H052128 Y2 JPH052128 Y2 JP H052128Y2 JP 1986047822 U JP1986047822 U JP 1986047822U JP 4782286 U JP4782286 U JP 4782286U JP H052128 Y2 JPH052128 Y2 JP H052128Y2
Authority
JP
Japan
Prior art keywords
threaded rod
lumbar
plate
nut member
center
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
JP1986047822U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62159763U (en]
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 JP1986047822U priority Critical patent/JPH052128Y2/ja
Priority to US07/028,403 priority patent/US4714291A/en
Priority to FR878704151A priority patent/FR2596262B1/fr
Priority to DE19873710466 priority patent/DE3710466A1/de
Publication of JPS62159763U publication Critical patent/JPS62159763U/ja
Application granted granted Critical
Publication of JPH052128Y2 publication Critical patent/JPH052128Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Supports 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
JP1986047822U 1986-03-31 1986-03-31 Expired - Lifetime JPH052128Y2 (en])

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1986047822U JPH052128Y2 (en]) 1986-03-31 1986-03-31
US07/028,403 US4714291A (en) 1986-03-31 1987-03-20 Lumbar support
FR878704151A FR2596262B1 (fr) 1986-03-31 1987-03-25 Support lombaire pour le dossier d'un siege
DE19873710466 DE3710466A1 (de) 1986-03-31 1987-03-30 Lendenstuetze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986047822U JPH052128Y2 (en]) 1986-03-31 1986-03-31

Publications (2)

Publication Number Publication Date
JPS62159763U JPS62159763U (en]) 1987-10-09
JPH052128Y2 true JPH052128Y2 (en]) 1993-01-20

Family

ID=12786045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986047822U Expired - Lifetime JPH052128Y2 (en]) 1986-03-31 1986-03-31

Country Status (4)

Country Link
US (1) US4714291A (en])
JP (1) JPH052128Y2 (en])
DE (1) DE3710466A1 (en])
FR (1) FR2596262B1 (en])

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893872A (en) * 1987-07-18 1990-01-16 United Business Systems Office chair with waist supporter
US5042876A (en) * 1987-11-10 1991-08-27 Steelcase Inc. Controller for seating and the like
JPH0213436U (en]) * 1988-07-11 1990-01-26
JPH0631965Y2 (ja) * 1990-03-20 1994-08-24 池田物産株式会社 ランバーサポート装置
JPH0731727Y2 (ja) * 1991-08-22 1995-07-26 池田物産株式会社 ランバーサポート装置
US5249839A (en) * 1991-11-12 1993-10-05 Steelcase Inc. Split back chair
US5174629A (en) * 1991-11-19 1992-12-29 Tachi-S Co., Ltd. Lumbar support device
US5466045A (en) * 1994-10-05 1995-11-14 Tachi-S Co., Ltd. Lumbar support device
US6402246B1 (en) * 2001-04-11 2002-06-11 L&P Property Management Simplified strap lumbar support device
US10653245B2 (en) * 2017-12-22 2020-05-19 Shanghai Sterling Motion Technology Co., Ltd. Power operation system and chair having same
CN216494399U (zh) * 2021-05-25 2022-05-13 广东联友办公家具有限公司 腰枕支撑力调节结构和座椅

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US607651A (en) * 1898-07-19 blossom
GB584756A (en) * 1944-09-05 1947-01-22 Arthur William Chapman Improvements relating to seats and chairs
DE1836926U (de) * 1960-11-21 1961-08-31 Johann Schwarz Rueckenlehne mit einem verstellbaren formteil.
DE1274003B (de) * 1961-09-15 1968-07-25 Volkswagenwerk Ag Rueckenlehne mit regelbarer Rueckenunterstuetzung fuer Kraftfahrzeugsitze
US3463544A (en) * 1968-04-22 1969-08-26 Edward Froelich Orthopedic seat back
JPS5191531A (en) * 1975-02-06 1976-08-11 Ranbaa sahootochoseisochi
JPS529226A (en) * 1975-07-09 1977-01-24 Aisin Seiki Co Ltd Device for adjusting a lumber support
JPS53145778A (en) * 1977-05-25 1978-12-19 Nissan Motor Seat with huckleback supporting device
JPS5719965A (en) * 1980-07-10 1982-02-02 Ube Ind Ltd Battery case
US4671569A (en) * 1984-09-18 1987-06-09 Aisin Seiki Kabushiki Kaisha Resilient back-up mechanism for vehicle seat structure

Also Published As

Publication number Publication date
DE3710466A1 (de) 1987-10-15
DE3710466C2 (en]) 1988-12-29
FR2596262B1 (fr) 1991-02-22
FR2596262A1 (fr) 1987-10-02
JPS62159763U (en]) 1987-10-09
US4714291A (en) 1987-12-22

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