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Seat positioning mechanism

  • US 4,993,678 A
  • Filed: 10/17/1989
  • Issued: 02/19/1991
  • Est. Priority Date: 10/26/1988
  • Status: Expired due to Term
First Claim
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1. A seat positioning mechanism for a motor vehicle having a floor and slides mounted on the floor for carrying a seat of the type having a seat cushion, the mechanism being of the type which allows adjustment of both the seat height and the seat tilt with respect to the vehicle floor, the mechanism comprising punctuationa first frame to be attached to the underside of the seat cushion;

  • a second frame to be mounted on the seat slides for fore and aft movement thereon;

    a first adjustment device for operating the seat height adjustment;

    a second adjustment device for operating the seat tilt adjustment;

    an axle mounted on said second frame, said second adjustment device being rotatively operable to produce vertical movement of said axle relative to said second frame;

    a control link pivotally mounted to said first frame and to said axle, said first adjustment device being operable upon pivotal movement to alter the angle said control link makes to said first frame; and

    a system of pivoted links interconnecting said two frames and said axle.

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