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Rollover air bag with damping mechanism

  • US 6,802,530 B2
  • Filed: 09/26/2001
  • Issued: 10/12/2004
  • Est. Priority Date: 09/26/2001
  • Status: Expired due to Term
First Claim
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1. An air bag system comprising:

  • at least a first inflatable first chamber, the air bag adapted to be mounted within a passenger compartment of a vehicle in a manner such that when the air bag is inflated the first inflatable chamber is positioned to receive and protect the head of an occupant;

    an accumulator chamber located downstream of the first chamber, the accumulator chamber initially at a negative pressure relative to the inflated first chamber, wherein in order to restrict pressure in e first chamber from increasing upon impact with a body part of the occupant, the inflation gas in the first chamber is allowed to be pushed into the accumulator chamber; and

    a non inflatable chamber located adjacent the accumulator chamber.

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