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ES8105644A1 - Adjusting seat backs - Google Patents

Adjusting seat backs

Info

Publication number
ES8105644A1
ES8105644A1 ES495283A ES495283A ES8105644A1 ES 8105644 A1 ES8105644 A1 ES 8105644A1 ES 495283 A ES495283 A ES 495283A ES 495283 A ES495283 A ES 495283A ES 8105644 A1 ES8105644 A1 ES 8105644A1
Authority
ES
Spain
Prior art keywords
control handle
rotary control
seat back
cam
fast
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
Application number
ES495283A
Other languages
Spanish (es)
Other versions
ES495283A0 (en
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.)
Faurecia Sieges dAutomobile SAS
Original Assignee
Industrielle Bertrand Faure SA
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 Industrielle Bertrand Faure SA filed Critical Industrielle Bertrand Faure SA
Publication of ES495283A0 publication Critical patent/ES495283A0/en
Publication of ES8105644A1 publication Critical patent/ES8105644A1/en
Expired 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—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

A seat back comprising a back rest portion (1) extending between side frame members or lateral posts (5) which are themselves suspended on a rigid peripheral framework (3) and means for locally adjusting, by angular movement of a rotary control handle (7), the positions of intermediate points (P, P') of the two lateral posts (5) forwardly and rearwardly, the adjusting means comprising a spiral cam (8) angularly fast to the rotary control handle (7), the slope of this spiral cam being sufficiently low to ensure the irreversibility of the control, a lever (11) which is fast to a rod (16) extending over the whole width of the seat back, is pivotably mounted on the rigid framework (3) about a fixed axis parallel to the axis of the rotary control handle (7), and has an end or finger (9) applied against the cam (8), and means for converting the angular movements of the rod due to those of the control handle into the desired movements of the points P and P'.
ES495283A 1979-09-25 1980-09-23 Adjusting seat backs Expired ES8105644A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7923845A FR2465442A1 (en) 1979-09-25 1979-09-25 IMPROVEMENTS TO SEAT RECORDS, IN PARTICULAR FOR VEHICLES

Publications (2)

Publication Number Publication Date
ES495283A0 ES495283A0 (en) 1981-06-16
ES8105644A1 true ES8105644A1 (en) 1981-06-16

Family

ID=9229985

Family Applications (1)

Application Number Title Priority Date Filing Date
ES495283A Expired ES8105644A1 (en) 1979-09-25 1980-09-23 Adjusting seat backs

Country Status (6)

Country Link
BE (1) BE885397A (en)
DE (1) DE3034823A1 (en)
ES (1) ES8105644A1 (en)
FR (1) FR2465442A1 (en)
GB (1) GB2059497B (en)
NL (1) NL8005298A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449751A (en) * 1981-05-26 1984-05-22 Lear Siegler, Inc. Seat backrest having an adjustable lumbar support
SE445168B (en) * 1983-01-27 1986-06-09 Be Ge Stolindustri Ab CHAIRS BACK, SPEC FOR A VEHICLE CHAIR
US4725095A (en) * 1986-07-11 1988-02-16 Johnson Service Company Vehicle seat with mechanical lumbar support having two degrees of freedom
US5224757A (en) * 1988-03-31 1993-07-06 Henderson's Federal Spring Works Pty. Ltd. Lumbar support waist band and mechanism therefor
AT394829B (en) * 1989-08-04 1992-06-25 Schuster Wilhelm BACKREST FOR A VEHICLE SEAT, WITH AN ADJUSTABLE LUMBAR REST
US5553919A (en) * 1994-10-11 1996-09-10 Excellence Lumbar Corporation Scissor jack lumbar support
JP2004229957A (en) * 2003-01-31 2004-08-19 Delta Tooling Co Ltd Seat structure
ATE369770T1 (en) 2005-01-12 2007-09-15 L&P Swiss Holding Co LUMBAR SUPPORT DEVICE AND CORRESPONDING SEATING STRUCTURE
EP1680983B1 (en) 2005-01-12 2012-11-28 L&P Swiss Holding Company Seat structure comprising a coupling unit
US7997650B2 (en) 2008-02-22 2011-08-16 Schukra Of North America Constant pressure retreating lumbar system
CN109008369B (en) * 2018-09-11 2023-07-14 浙江安吉荣艺家具有限公司 High-elasticity electronic race chair capable of being fixed in backward leaning mode
USD997778S1 (en) * 2021-02-16 2023-09-05 Bombardier Recreational Products Inc. Off-road vehicle body

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5853373A (en) * 1972-10-24 1975-01-30 Ford Motor Canada Reclining car seat
JPS53145778A (en) * 1977-05-25 1978-12-19 Nissan Motor Seat with huckleback supporting device

Also Published As

Publication number Publication date
ES495283A0 (en) 1981-06-16
DE3034823A1 (en) 1981-04-02
FR2465442B1 (en) 1983-05-13
GB2059497B (en) 1983-05-05
NL8005298A (en) 1981-03-27
BE885397A (en) 1981-03-25
FR2465442A1 (en) 1981-03-27
GB2059497A (en) 1981-04-23

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960401