Pre-folded airbag cushion with optional venting for out-of-position conditions

CAFC
  • US 7,614,653 B2
  • Filed: 09/27/2006
  • Issued: 11/10/2009
  • Est. Priority Date: 09/27/2006
  • Status: Active Grant
First Claim
Patent Images

1. An airbag module, comprising:

  • an inflatable airbag cushion having a cushion membrane;

    a first closeable vent having a first vent aperture in the cushion membrane of the inflatable airbag cushion;

    a second closeable vent having a second vent aperture in the cushion membrane of the inflatable airbag cushion; and

    at least one cord anchored to the cushion membrane of the inflatable airbag cushion and having a first vent portion and a second vent portion,wherein the first closeable portion and the second closeable portion respectively engage the first closeable vent and the second closeable vent in a configuration such that, upon deployment of the inflatable airbag cushion with obstruction, the cord does not fully extend and the first closeable vent and the second closeable vent remain open, and upon deployment of the inflatable airbag cushion without obstruction, the cord extends and at least partially closes the first closeable vent and the second closeable vent;

    wherein the cord is anchored to the cushion membrane at a region of the cushion membrane which is folded to have at least one fold, andwherein the fold is held in place by a releasable temporary holding feature.

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