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Vehicle occupant protection device

  • US 7,407,182 B2
  • Filed: 09/20/2005
  • Issued: 08/05/2008
  • Est. Priority Date: 09/22/2004
  • Status: Expired due to Fees
First Claim
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1. An occupant protection device for a vehicle having a longitudinally front seat, middle seat and rear seat in a passenger compartment, comprising:

  • an inflator for generating gas; and

    a roof side airbag placed in a certain pillar space which is formed by a pillar garnish mounted to a passenger compartment side of a front pillar provided at a front part of a vehicle body, and in a longitudinally elongated certain roof space provided at a side corner of a roof on the passenger compartment side, to be inflated by the gas along side glasses toward the passenger compartment;

    wherein the roof side airbag comprises;

    gas inlets disposed in a longitudinally substantially middle portion to receive gas supply from the inflator;

    gas main passages extending longitudinally from the gas inlets along the roof space;

    a front bag portion to be inflated in a position corresponding to the front seat;

    a middle bag portion to be inflated in a position corresponding to the middle seat;

    a rear bag portion to be inflated in a position corresponding to the rear seat; and

    inner tubes placed in the gas main passages for distributing the gas to the bag portions,wherein the inner tubes include position stabilizing members longitudinally fitted in the inner tubes to maintain the shape of the inner tubes and prevent the fluttering of the inner tubes during the pulsating flow of the gas into the inner tubes,wherein the gas main passages communicate with the bag portions, andwherein the front bag portion includes an inflating portion in which, during inflation toward the passenger compartment along the side glasses, gas flowing in from the communicating gas main passage heads downward and then flows forward and upward.

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