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Resilient suspension for vehicle seat

  • US 3,150,855 A
  • Filed: 01/17/1962
  • Issued: 09/29/1964
  • Est. Priority Date: 01/17/1962
  • Status: Expired due to Term
First Claim
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1. IN A VEHICLE SEAT SUSPENSION SYSTEM THE COMBINATION COMPRISING;

  • MEANS FOR RESILIENTLY SUPPORTING A VEHICLE SEAT ON A VEHICLE FRAME;

    A COMPRESSIBLE AIR CHAMBER HAVING A FIXED MEMBER AND A MOVABLE MEMBER, SAID MOVABLE MEMBER BEING RESPONSIVE TO DOWNWARD MOVEMENT OF SAID VEHICLE SEAT BY THE COMPRESSION OF AIR IN SAID AIR CHAMBER;

    AND A LEVELING VALVE COMMUNICATING WITH SAID AIR CHAMBER, A SUPPLY OF AIR UNDER PRESSURE AND THE ATMOSPHERE;

    SAID LEVELING VALVE BEING RESPONSIVE TO DOWNWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR SUPPLY WITH SAID AIR CHAMBER AND BEING RESPONSIVE TO UPWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR CHAMBER WITH THE ATMOSPHERE.

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