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Seat mounted air bag module

  • US 5,542,696 A
  • Filed: 07/24/1995
  • Issued: 08/06/1996
  • Est. Priority Date: 07/24/1995
  • Status: Expired due to Term
First Claim
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1. A vehicle occupant safety apparatus comprising:

  • a seat in which the vehicle occupant sits;

    an inflatable vehicle occupant restraint mounted in said seat, said inflatable restraint having a deflated condition stored in said seat and having an inflated, occupant protecting condition extending out of said seat;

    an inflator mounted in said seat at a location spaced apart from said inflatable restraint, said inflator being actuatable to direct inflation fluid under pressure into said inflatable restraint to inflate said inflatable restraint; and

    wall means for defining in said seat an inflation fluid passage extending between said inflator and said inflatable restraint for directing inflation fluid from said inflator to said inflatable restraint upon actuation of said inflator;

    said wall means having a first condition when said inflator is not actuated in which said inflation fluid passage has a first effective cross-sectional flow area;

    said wall means being expandable, upon actuation of said inflator, from the first condition to a second condition in which said inflation fluid passage has a second effective cross-sectional flow area which is greater than said first effective cross-sectional flow area, said seat including a seat frame member extending through said inflation fluid passage.

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