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Pneumatic seat

  • US 3,330,598 A
  • Filed: 02/14/1966
  • Issued: 07/11/1967
  • Est. Priority Date: 02/14/1966
  • Status: Expired due to Term
First Claim
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1. A SEAT CONSTRUCTION EMBODYING A SEAT-PORTION AND A BACK-PORTION, COMPRISING:

  • A PLURALITY OF PNEUMATICALLY-OPERATIVE COMPARTMENTS SUPPORTINGLY ASSOCIATED WITH THE SEAT-PORTION AND THE BACK-PORTION OF THE SEAT;

    AND A PNEUMATIC SYSTEM, INCLUDING PRESSURE-CONTROL MEANS, FOR SELECTIVELY ACTUATING SAID COMPARTMENTS PNEUMATICALLY TO EFFECT DESIRED VARIATIONS OF SUPPORT FOR AN OCCUPANT OF SAID SEAT;

    THE PRESSURE-CONTROL MEANS PROVIDING A PRESSURIZATION OF SAID COMPARTMENTS AT INDIVIDUALLY-SELECTED AMOUNTS;

    THE COMPARTMENTS BEING FORMED TO PROVIDE AN OVERLAPPING RELATIONSHIP OF ADJACENT COMPARTMENTS, LESSENING AN ABRUPT CHANGE OF SUPPORT-EFFECT OR HUMPING EVEN THOUGH EACH OF THE ADJACENT COMPARTMENTS IS INDIVIDUALLY CONTROLLED BY THE PRESSURE-CONTROL MEANS;

    THE SEAT-PORTION HAVING AT LEAST TWO OF SAID COMPARMENTS SPACED LATERALLY, THE COMPARTMENTATION BEING OF A NATURE SUCH THAT VARIATIONS IN MAGNITUDE OF SUBSTANTIALLY SIMILAR PRESSURIZATION OF SAID LATERALLY. SPACED COMPARTMENTS PROVIDE VARIATIONS IN EFFECTIVE SEAT-HEIGHT, AND VARIATIONS IN MGNITUDE OF DIFFERING PRESSURIZATION OF SAID LATERALLY-SPACED COMPARTMENTS PROVIDE VARIATIONS IN EFFECTIVE SEAT TILT.

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