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COST-EFFECTIVE USE OF ONE-PIECE WOVEN FABRIC FOR CURTAIN AIRBAGS

  • US 20150343981A1
  • Filed: 08/06/2015
  • Published: 12/03/2015
  • Est. Priority Date: 01/08/2014
  • Status: Active Grant
First Claim
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1. An airbag assembly for disposition proximate a roof of a vehicle to shield a vehicle occupant from impacting at least one lateral surface of the vehicle, the airbag assembly comprising:

  • an inflatable curtain airbag having a stowed configuration proximate the roof of the vehicle and a deployed configuration into which the inflatable curtain airbag deploys downward between the vehicle occupant and the at least one lateral surface of the vehicle, the inflatable curtain airbag comprising a peripheral juncture that defines;

    a first chamber and a second chamber interior to the peripheral juncture; and

    a non-inflating peripheral region exterior to the peripheral juncture, the non-inflating peripheral region comprises a top portion positioned above the first and second chambers in the deployed configuration;

    a fabric shield comprising a first fabric layer formed as a single piece with the top portion;

    wherein, in the stowed configuration, the first fabric layer is wrapped at least partially around a length of the inflatable curtain airbag; and

    a tether comprising a first end formed as a single piece with the non-inflating peripheral region and a second end securable to the vehicle, wherein the tether comprises a first segment obtained from a first portion of the non-inflating peripheral region and a second segment obtained from a second portion of the non-inflating peripheral region displaced from the first portion, wherein the second segment is positioned to at least partially overlie the first segment;

    wherein, to move the inflatable curtain airbag from the stowed configuration to the deployed configuration, the first chamber inflates and the second chamber inflates forward of the first chamber;

    wherein the top portion comprises a rearward section defining an upper boundary of the first chamber, and a forward section defining an upper boundary of the second chamber;

    wherein, in the deployed configuration, the forward section is vertically offset from the rearward section such that the forward section is higher than a portion of the rearward section adjacent to the forward section.

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