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Air bag system

  • US 7,152,875 B2
  • Filed: 03/11/2004
  • Issued: 12/26/2006
  • Est. Priority Date: 04/15/2003
  • Status: Expired due to Fees
First Claim
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1. An air bag system comprising:

  • a retainer,a folded air bag supported on the retainer,an inflator supported on the retainer, the air bag being inflated to be deployed into a passenger compartment of a vehicle by a gas produced by the inflator during a collision, anda restricting member including a fixing portion and a plurality of restricting fabrics extending along an outer surface of the air bag, said fixing portion being fixed to the air bag, said plurality of restricting fabrics having brittle portions and end portions.wherein the end portions are coupled to the retainer, so that in an earlier stage of deployment of the air bag, an axial inflation of the air bag is restricted by the restricting member, and in a later stage of deployment of the air bag, the brittle portions are broken by a tension so as to allow the air bag to inflate to its maximum capacity, andthe restricting member closes a vent hole formed in the air bag until the brittle portions on the restricting member are broken, and the vent hole is opened when the brittle portions are broken.

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