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Cushion of curtain air bag device

  • US 9,505,373 B2
  • Filed: 04/16/2015
  • Issued: 11/29/2016
  • Est. Priority Date: 04/23/2014
  • Status: Active Grant
First Claim
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1. A cushion of a curtain air bag device, comprising:

  • a cushion body part, configured to receive gas from an inflator in response to a collision-related detection, comprising;

    a main chamber configured to form a gas layer when inflated; and

    a reinforcement chamber disposed adjacent the main chamber, the reinforcement chamber configured to form overlapping gas layers and to protrude further toward a vehicle occupant than the main chamber when inflated; and

    a tether part fastening the reinforcement chamber, the tether part configured to maintain an overlapping state of the reinforcement chamber when the cushion body part is being inflated,wherein the reinforcement chamber is configured to form the overlapping gas layers by a front vertical fold in the cushion body part and a rear vertical fold in the cushion body part.

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