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Airbag and airbag apparatus

  • US 20070045997A1
  • Filed: 08/22/2006
  • Published: 03/01/2007
  • Est. Priority Date: 08/24/2005
  • Status: Active Grant
First Claim
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1. An airbag comprising:

  • an airbag panel for constituting the airbag;

    a vent hole disposed in at least one surface of the airbag panel on a side opposite to a passenger-facing surface and a side surface of the airbag panel when the airbag is inflated; and

    a constraining device for constraining discharge of gas from the vent hole, the constraining device comprising a lid member arranged outside the airbag panel and configured to cover the vent hole, and a joint member which passes through the vent hole and an interior of the airbag and connects the lid member and the passenger-facing surface;

    wherein the vent hole is configured to be closed or opened to a small extent by the lid member superposed on the vent hole and pulled toward the interior of the airbag by the joint member when the airbag is inflated; and

    the vent hole is configured to be fully opened or opened to a large extent by the lid member being moved apart from the vent hole when the passenger contacts the inflated airbag thereby moving the passenger-facing surface backward.

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