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Device for adjusting inclined angle of seating surface of seat cushion

  • US 4,339,103 A
  • Filed: 06/05/1980
  • Issued: 07/13/1982
  • Est. Priority Date: 07/26/1979
  • Status: Expired due to Term
First Claim
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1. A device for adjusting the inclined angle of the seating surface of the seat cushion of an automotive seat having a pair of seat slide adjusting units disposed at both sides and secured to seat slide upper rails, said device comprising:

  • a sector gear plate so journaled at the rear portion thereof at a fulcrum at the position corresponding to the front side position of the seat cushion frame of the one seat slide adjusting unit and including teeth formed at the front face thereof,a handle mounted through a first bracket at the seat slide adjusting unit;

    a pinion gear with a non-reversing unit to be rotated by said handle and engaging in mesh with the teeth of said gear plate to allow said gear plate to elevationally rock upon rotation of said pinion gear,a first link pivotally secured at an intermediate portion between the rear portion and the front teeth of said gear plate and pivotally secured at the upper portion thereof to the seat cushion frame,a second bracket so journaled at the other seat slide adjusting unit as to rock in substantially the same manner as said gear plate,a second link pivotally secured to said second bracket in substantially the same orientation as said first link at the lower portion thereof and pivotally secured at the upper portion thereof to the seat cushion frame, andmeans for pivotally securing the seat cushion frame at the rear end thereof to both the seat slide adjusting units.

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