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Head-protecting airbag device

  • US 9,211,863 B2
  • Filed: 12/22/2014
  • Issued: 12/15/2015
  • Est. Priority Date: 01/28/2014
  • Status: Active Grant
First Claim
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1. A head-protecting airbag device having an airbag in a folded-up configuration that is adapted to be stored in a housing area disposed at upper peripheries of a plurality of windows arranged one behind another in a front and rear direction of a vehicle, the airbag being deployable downward at an inboard side of the windows and a middle pillar located between the windows when fed with an inflation gas, the airbag comprising:

  • a gas admissive region that is inflatable with an inflation gas in such a fashion as to separate an inboard side wall from an outboard side wall and comprises window cover portions for covering the windows respectively and a pillar cover portion for covering the middle pillar, the pillar cover portion comprising;

    an inlet port that is located in an upper region of the pillar cover portion and is in gas communication with one of the window cover portions located in front of and at the rear of the pillar cover portion for taking in an inflation gas from the window cover portion such that the pillar cover portion inflates and completes inflation with an inflation gas taken in from the inlet port, wherein the pillar cover portion includes only one inlet port;

    an upper inflatable portion that extends in a front and rear direction from the inlet port; and

    a lower inflatable portion that is in gas communication with the upper inflatable portion at an end of the upper inflatable portion facing away from the inlet port and extends in such a fashion as to turn around downward from the upper inflatable portion and extends in a front and rear direction beneath the upper inflatable portion, the lower inflatable portion comprising generally beneath the inlet port a closed leading end.

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