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Side airbag apparatus

  • US 8,226,113 B2
  • Filed: 03/16/2010
  • Issued: 07/24/2012
  • Est. Priority Date: 03/27/2009
  • Status: Active Grant
First Claim
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1. A side airbag apparatus provided in a side portion of a seat back of a vehicle seat, comprising:

  • an elongated airbag unit extending in an up-down direction, the airbag unit having a folded airbag and an inflator installed in the airbag;

    wherein, at a side collision of a vehicle, the airbag is inflated and deployed outward and forward in relation to the vehicle seat, anda plate for installing the airbag unit in the side portion of the seat back,wherein the plate includes;

    a fixing portion to which an inner side surface of the airbag unit is fixed; and

    a rear wall portion connected to the fixing portion, the rear wall portion covering at least a part of a rear surface of the airbag unit, the part being located above the inflator,whereinthe plate has flexibility and elasticity,the inflator is located below an upper half portion of the airbag unit,the rear wall portion is formed to cover, along the up-down direction, a lower half portion of the airbag unit and at least a part of the upper half portion of the airbag unit,the rear wall portion has a slit located above the inflator, andthe rear wall portion is divided into an upper portion and a lower portion by the slit.

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