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Multiple inflation rate occupant restraint system

  • US 3,966,224 A
  • Filed: 11/03/1971
  • Issued: 06/29/1976
  • Est. Priority Date: 11/03/1971
  • Status: Expired due to Term
First Claim
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1. A vehicle occupant restraint system comprising, in combination, source means actuatable to provide first and second volumes of pressure fluid, an occupant restraint cushion inflatable from the source means, first control means responsive to the vehicle being subjected to an initial impact of predetermined minimum intensity not exceeding a predetermined maximum intensity to release the first volume of pressure fluid to the cushion and including time delay means providing a predetermined fixed time interval for actuating the source means to sequentially release the second volume of pressure fluid to the cushion after said predetermined fixed time interval, and second control means responsive to the occurrence within the predetermined time interval of the vehicle being subjected to a subsequent impact of intensity equal to or exceeding the predetermined maximum for actuating the source means to release the second volume of pressure fluid to the cushion within said predetermined fixed time interval.

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