GB2012569A - Vehicle seat with adjustable lumbar support - Google Patents

Vehicle seat with adjustable lumbar support

Info

Publication number
GB2012569A
GB2012569A GB7848844A GB7848844A GB2012569A GB 2012569 A GB2012569 A GB 2012569A GB 7848844 A GB7848844 A GB 7848844A GB 7848844 A GB7848844 A GB 7848844A GB 2012569 A GB2012569 A GB 2012569A
Authority
GB
United Kingdom
Prior art keywords
backrest
vehicle seat
lumbar support
adjustable lumbar
ring gear
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.)
Withdrawn
Application number
GB7848844A
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of GB2012569A publication Critical patent/GB2012569A/en
Withdrawn legal-status Critical Current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)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

A vehicle seat with a backrest wherein the backrest comprises a manually rotatable eccentric shaft (64) having an eccentric portion and a concentric portion, a first member (54) with a ring gear rotatably supported on the eccentric portion, a second member (58) with a spur pinion having less teeth than and meshing with the ring gear supported on the concentric portion and fixed to a frame of the backrest, and a mechanism (28) responsive to angular movement of the first member for moving that portion of a resilient cushion assembly of the backrest which is disposed adjacent the sacro-lumber region of a seat occupant. <IMAGE>
GB7848844A 1978-01-13 1978-12-18 Vehicle seat with adjustable lumbar support Withdrawn GB2012569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP254278A JPS5495421A (en) 1978-01-13 1978-01-13 Seat for vehicle

Publications (1)

Publication Number Publication Date
GB2012569A true GB2012569A (en) 1979-08-01

Family

ID=11532259

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7848844A Withdrawn GB2012569A (en) 1978-01-13 1978-12-18 Vehicle seat with adjustable lumbar support

Country Status (4)

Country Link
JP (1) JPS5495421A (en)
DE (1) DE2856784A1 (en)
FR (1) FR2414416A1 (en)
GB (1) GB2012569A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150824A (en) * 1983-12-10 1985-07-10 Wilmot Breeden Ltd Lumbar adjustment mechanism
GB2230433A (en) * 1989-02-23 1990-10-24 Shiroki Corp A seat
GB2231257A (en) * 1989-05-08 1990-11-14 Shiroki Corp A seat for an automobile
WO2000047441A1 (en) * 1999-02-09 2000-08-17 Wolfgang Lortz Vehicle seat structure
WO2006009861A1 (en) * 2004-06-18 2006-01-26 Alfmeier Corporation Mounting adaptor for seat assembly, and seat assembly having mounting adaptor
US7862119B2 (en) 2005-04-08 2011-01-04 Alfmeier Prazision Ag Baugruppen Und Systemlosungen Vehicle seat with lordosis support
US9604560B1 (en) 2015-11-13 2017-03-28 Kongsberg Automotive, Inc. Assembly for adjusting a lumbar region of a seat
US10427569B2 (en) 2015-01-26 2019-10-01 Kongsberg Automotive, Inc. Adjustment mechanism for a seat

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148907A (en) * 1981-03-10 1982-09-14 Nhk Spring Co Ltd Seat back frame structure
JPS58173514A (en) * 1982-04-06 1983-10-12 アイシン精機株式会社 Apparatus for controlling lumber support in seat
DE3335596A1 (en) * 1983-09-30 1985-04-11 Tachikawa Spring Co., Ltd., Akishima, Tokio/Tokyo LUMBAL SUPPORT
DE3341389A1 (en) * 1983-11-15 1985-05-30 Bayerische Motoren Werke AG, 8000 München Device for adjusting the area of the backrest of the vehicle seat lying in the lumbar region
DE3407159A1 (en) * 1984-02-28 1985-09-12 Daimler-Benz Ag, 7000 Stuttgart DEVICE FOR CHANGING THE INCLINATION OF THE BACKREST OF A VEHICLE SEAT
JPH0746554B2 (en) * 1985-08-30 1995-05-17 オムロン株式会社 Electromagnetic contactor
JPS6266810A (en) * 1985-09-19 1987-03-26 アイシン精機株式会社 Lamber support apparatus
US4725095A (en) * 1986-07-11 1988-02-16 Johnson Service Company Vehicle seat with mechanical lumbar support having two degrees of freedom
IT1223725B (en) * 1988-07-25 1990-09-29 Sicam Linea Srl VEHICLE SEAT
US5505520A (en) * 1994-11-03 1996-04-09 Ford Motor Company Passenger seat with adjustable lumbar support
EP1094961B1 (en) * 1998-06-15 2003-01-22 Fico Cables, Lda Height adjustable spine support

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7417259U (en) * 1973-07-05 1976-01-29 Bus Bodies (S.A.) Ltd., Port Elizabeth, Kapland (Suedafrika) ROTATING DEVICE FOR REGULATING THE RELATIVE ANGLE POSITION OF TWO ORGANS
JPS5419935Y2 (en) * 1976-06-07 1979-07-20

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150824A (en) * 1983-12-10 1985-07-10 Wilmot Breeden Ltd Lumbar adjustment mechanism
GB2230433A (en) * 1989-02-23 1990-10-24 Shiroki Corp A seat
GB2230433B (en) * 1989-02-23 1992-03-04 Shiroki Corp A seat
GB2231257A (en) * 1989-05-08 1990-11-14 Shiroki Corp A seat for an automobile
GB2231257B (en) * 1989-05-08 1992-08-12 Shiroki Corp A seat for an automobile
WO2000047441A1 (en) * 1999-02-09 2000-08-17 Wolfgang Lortz Vehicle seat structure
WO2006009861A1 (en) * 2004-06-18 2006-01-26 Alfmeier Corporation Mounting adaptor for seat assembly, and seat assembly having mounting adaptor
US7862119B2 (en) 2005-04-08 2011-01-04 Alfmeier Prazision Ag Baugruppen Und Systemlosungen Vehicle seat with lordosis support
US10427569B2 (en) 2015-01-26 2019-10-01 Kongsberg Automotive, Inc. Adjustment mechanism for a seat
US9604560B1 (en) 2015-11-13 2017-03-28 Kongsberg Automotive, Inc. Assembly for adjusting a lumbar region of a seat

Also Published As

Publication number Publication date
JPS5611447B2 (en) 1981-03-14
JPS5495421A (en) 1979-07-27
DE2856784A1 (en) 1979-07-19
FR2414416A1 (en) 1979-08-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)