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Vehicle seats

  • US 9,321,373 B2
  • Filed: 11/18/2013
  • Issued: 04/26/2016
  • Est. Priority Date: 12/19/2012
  • Status: Expired due to Fees
First Claim
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1. A vehicle seat comprising:

  • a wire;

    a take-up device connected to the wire; and

    a seat cushion including;

    a cushion frame having a front portion and an upper surface;

    a cushion pad arranged on the upper surface of the cushion frame; and

    an airbag provided on the front portion of the cushion frame, the airbag including;

    a lower air chamber having a peripheral wall with upper and lower portions; and

    an upper air chamber having a peripheral wall with upper and lower portions, the upper air chamber being situated above the lower air chamber, whereinthe lower and upper air chambers are respectively attached to the upper surface of the cushion frame,the cushion frame supports the lower portion of the peripheral wall of the lower air chamber and the upper portion of the peripheral wall of the lower air chamber supports the lower portion of the peripheral wall of the upper air chamber such that when the upper and lower chambers are at least partially filled with compressed air, the seat cushion is elongated in a stable manner, andthe wire is connected to a front end of a skin member of the seat cushion and configured such that when the air bag is at least partially filled with compressed air, the wire is forwardly forced out of the take-up device and applies tension to the skin member at a predetermined magnitude to forwardly elongate the seat cushion in the stable manner.

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