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Curtain airbag device

  • US 20070046001A1
  • Filed: 08/14/2006
  • Published: 03/01/2007
  • Est. Priority Date: 08/23/2005
  • Status: Active Grant
First Claim
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1. A curtain airbag device, which is applicable to a window portion having one or more windows, comprising:

  • a curtain including an inflatable portion, the curtain being configured to be accommodated at least at a first window side of a periphery of the window portion in a folded state and to be inflated so as to cover at least part of the window portion with the inflatable portion to which gas is supplied;

    a gas supply device operative to supply the gas to the inflatable portion of the curtain;

    a support portion provided at a specified portion of a second window side that is provided next to the first window side, the specified portion being located away from the first window side;

    an engagement portion provided at a side portion of the curtain that is located on a side of the second window side, the engagement portion being configured so as to be located at a position that is closer to the first window side relative to the support portion in the folded state of the curtain and to be moved toward the support portion so as to engage with the support portion as a tip portion of the curtain moves in an inflation direction according to the inflation of the curtain; and

    a tether, one end of which is connected to the engagement portion or a portion near the engagement portion of the curtain and the other end of which is connected to a specified portion of the periphery of the window portion other than the second window side or a peripheral portion of the curtain that is restrained by the specified portion of the periphery of the window portion when the curtain is in the inflated state, the tether being configured so as to be accommodated at the periphery of the window portion with the curtain and to extend according to the inflation of the curtain from a side of the support portion to a side of the specified portion of the periphery of the window portion across the window portion, whereby a tension can be provided to the curtain.

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