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Head-protecting airbag apparatus

  • US 20060131849A1
  • Filed: 12/13/2005
  • Published: 06/22/2006
  • Est. Priority Date: 12/21/2004
  • Status: Active Grant
First Claim
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1. A head-protecting airbag apparatus mounted inside a vehicle in the upper periphery of windows inclusive of upper part of a pillar covered by pillar garnish at vehicle'"'"'s inner side, the airbag apparatus comprising:

  • an airbag folded and housed in the upper periphery of windows inclusive of upper part of the pillar, the airbag deploying downward from the upper periphery of the windows to cover the inner side of the pillar and windows when fed with inflation gas;

    an airbag cover for covering the folded and housed airbag, the airbag cover being pushed and opened by the airbag upon airbag inflation; and

    a guide bracket located above the pillar while being covered by the airbag cover for guiding the inflating airbag toward vehicle'"'"'s inner side while preventing the airbag from entering vehicle'"'"'s outer side of the pillar garnish, wherein;

    the guide bracket comprises two guide walls extending inward of vehicle while confronting each other generally in the vertical direction, and a joint wall joining the two guide walls at the outer ends of the guide walls, whereby the guide bracket has a generally U-shaped cross section;

    the guide bracket accommodates the folded airbag between the two guide walls, and allows the airbag to protrude inward of vehicle from an opening provided between vehicle'"'"'s inner side ends of the two guide walls;

    dimension of a clearance between the two guide walls is set so as to leave a gap between the housed airbag and at least one of the guide walls, whereby the airbag is allowed to inflate in the gap in the initial stage of airbag inflation; and

    the dimension of the clearance is also set such that the deployment direction of the airbag is controlled by the guide walls, toward vehicle'"'"'s inner side.

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