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Airbag device

  • US 8,448,984 B2
  • Filed: 02/18/2009
  • Issued: 05/28/2013
  • Est. Priority Date: 03/07/2008
  • Status: Active Grant
First Claim
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1. An airbag device comprising:

  • an airbag that can be inflated and deployed so as to cover a wall of a vehicle by introducing gas; and

    an inflator, having a main body, that discharges gas radially from a plurality of gas discharge ports disposed at one end of said body to supply the gas into an air chamber inside of the airbag,wherein the airbag has a gas inlet to which the inflator is attached and the air chamber is inflated by the gas from the gas inlet,wherein the airbag device has a fabric member that is formed of a single belt-like piece and is wound around the inflator several times in sequentially layered manner such that the fabric member encloses the plurality of gas discharge ports and opens to the inside of the airbag and is inflated by the gas pressure acting thereon and shifted in the circumferential direction thereof when the inflator is activated, andwherein the fabric member and the plurality of gas discharge ports of the inflator being inserted together into the gas inlet towards the air chamber inside of the airbag.

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