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Floating knee pivot suspension

  • US 4,828,216 A
  • Filed: 06/26/1987
  • Issued: 05/09/1989
  • Est. Priority Date: 06/26/1987
  • Status: Expired due to Fees
First Claim
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1. A seat subject to vibration comprising:

  • a base including a first slide member;

    a second slide member slidably mounted to the first slide member;

    a seat support member pivotably mounted to the second slide member; and

    means for biasing the second slide member and the seat support member to rest positions;

    whereby, under vibration, the seat support member pivots relative to the base, slides relative to the base, and returns to a rest position;

    in which the means for biasing comprises;

    a link member pivotably mounted to the base;

    a first slide actuator member on the link member; and

    a second slide actuator member pivotably mounted to the base, engaged by the first slide actuator member and engaging the first slide member.

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