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Adjustable vehicle seat

  • US 3,999,733 A
  • Filed: 02/18/1975
  • Issued: 12/28/1976
  • Est. Priority Date: 02/18/1975
  • Status: Expired due to Term
First Claim
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1. A seat supporting arrangement for providing a seat with both adjustable cushioning and adjustable height capabilities, said arrangement comprising:

  • first frame means;

    a seat on said first frame means;

    means mounting said first frame means for movement with said seat in a generally vertical direction;

    second frame means fixed with respect to said first frame means and including means for guiding said first frame means in a restricted vertical movement;

    adjustable fluid spring means having a fixed end and having a movable end;

    said fluid spring being operable for selectively cushioning and vertically adjusting said first frame means;

    mechanical means for adjusting the vertical position of said first frame means and having means attached to the first frame means; and

    ,said last-recited mechanical adjusting means comprising manually operable rotatable handle means and elongated threaded indexing means, said threaded indexing means having one end connected in tandem with the movable end of said fluid spring means and having another end cooperative with said rotatable handle means for providing associated vertical movement of the first frame means and seat when said handle means is rotated.

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