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Vehicle seat having a swingable backrest

  • US 3,957,312 A
  • Filed: 02/03/1975
  • Issued: 05/18/1976
  • Est. Priority Date: 02/20/1974
  • Status: Expired due to Term
First Claim
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1. In a vehicle seat comprising:

  • a seat base, a backrest, means mounting the backrest relative to the seat base to be pivotable about a first axis, regulating means for regulating the position of the seat base relative to a floor in a direction longitudinally of the seat base, said first axis being transverse to said longitudinal direction, said regulating means including a link which is pivoted adjacent one end of the parallel to a front part of the seat base and pivoted adjacent an opposite end thereof to the floor, a slideway located in the rear part of the seat base for fixing to the floor and extending longitudinally of the seat base, a shoe slidable along the slideway, means for locking the shoe with respect to the slideway in a selected position, means for mounting the shoe on the seat base including an intermediate member mounted on the seat base to pivot about said first axis and mounted on the shoe to pivot about a second axis spaced from and paralel to said first axis, first locking and unlocking means for releasably locking the intermediate member relative to the seat base, said backrest being pivotally mounted with respect to said intermediate member, a second locking and unlocking means for adjusting the relative angular position between said backrest and said intermediate member.

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