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Inflatable air bag for protection of a vehicle occupant

  • US 4,934,734 A
  • Filed: 03/27/1989
  • Issued: 06/19/1990
  • Est. Priority Date: 03/27/1989
  • Status: Expired due to Term
First Claim
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1. An inflatable air bag for protection of a vehicle occupant by absorbing the secondary impact of the occupant as he or she is thrown forward by inertia and having a fastening member at the gas inflow side, a fastening member at the impact side and a plurality of inflation-controlling members connected between the fastening members and forming junctures therewith, characterized in that each inflation-controlling member is a band of material that is substantially wider at and adjacent to the junctures than at any portion intermediate the junctures such that the internal stress caused by an impact tensile load is smaller at the junctures between it and the respective fastening members than is the internal stress in any portion of the inflation-controlling members between said junctures.

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