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Air bag device for a knee of an occupant

  • US 5,324,070 A
  • Filed: 01/15/1993
  • Issued: 06/28/1994
  • Est. Priority Date: 01/31/1992
  • Status: Expired due to Term
First Claim
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1. An air bag device for a knee of an occupant to be installed in a vehicle, said vehicle having a seat for the occupant and a panel for defining a leg space for the occupant, said air bag device comprising:

  • a casing attached to the panel offset from a portion facing a center of the seat so that the leg space is not substantially reduced by the casing,a gas generator mounted inside the casing, andan air bag to be retained in the casing, said air bag, when expanded, having an elongated shape to be located in the leg space to prevent the occupant from moving into the leg space and including first and second longitudinal ends opposite to each other, upper and lower side portions situated between the first and second longitudinal ends, a rear portion and a front portion facing the seat, said rear portion having an opening located adjacent to the second longitudinal end and fixed to the casing and the gas generator so that when the gas generator is actuated, the air bag is inflated and extends substantially throughout an entire area of the leg space, said air bag being folded such that the first and second longitudinal ends are turned and folded inwardly, said upper and lower side portions being folded to be located on the front side, a portion having the first longitudinal end being folded back to a surface side and the first longitudinal end being folded to be wound in a same direction, said first and second longitudinal ends being substantially located at respective sides relative to the opening without overlapping with each other to thereby allow the air bag to be inflated smoothly.

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