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Airbag device for vehicle

  • US 9,393,924 B2
  • Filed: 11/21/2014
  • Issued: 07/19/2016
  • Est. Priority Date: 07/11/2014
  • Status: Active Grant
First Claim
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1. An airbag device for a vehicle, comprising:

  • a main vent hole configured to be disposed in an airbag cushion and emit expansion gas therein;

    a cover configured to be disposed on an outer side of the airbag cushion, to be switched between an opened state of the main vent hole while being spaced apart from the main vent hole and a closed state of the main vent hole while adhering to the main vent hole, by a tension force applied thereto, and provided with an auxiliary vent hole through which the expansion gas inside the airbag cushion is emitted;

    a tether having a first end connected to the cover through the main vent hole and a second end fixed inside the airbag cushion to provide the tension force to the cover; and

    a tether guide disposed on an inner side of the airbag cushion to support the tether and make the tether pass therethrough while being slid on the inner side of the airbag cushion; and

    a sealing member configured to be provided between the main vent hole and the tether guide to support the tether and make the tether passing through the tether guide pass therethrough while being slid on the inner side of the airbag cushion,wherein the auxiliary vent hole is formed to be disposed inside the main vent hole in the closed state in which the cover closes the main vent hole.

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