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Externally vented airbag assembly

  • US 5,351,977 A
  • Filed: 11/03/1992
  • Issued: 10/04/1994
  • Est. Priority Date: 11/03/1992
  • Status: Expired due to Fees
First Claim
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1. In combination, a vehicle and an airbag assembly;

  • said vehicle comprising a steering assembly and a firewall;

    said firewall partially defining an occupant compartment and separating said occupant compartment from an external environment;

    said steering wheel assembly being positioned at least partially within said occupant compartment;

    said airbag assembly being mounted on said steering assembly;

    said airbag assembly comprising an airbag and an inflator which supplies inflation fluid to said airbag to inflate said airbag into said occupant compartment;

    said steering assembly comprising a steering column defining an inlet passageway which communicates with said airbag and a separate exhaust passageway which communicates with said airbag separately and independently of said inlet passageway;

    said inlet passageway communicating with said inflator whereby inflation fluid travels through said inlet passageway into said airbag; and

    said exhaust passageway communicating with said external environment whereby at least a certain portion of said inflation fluid is vented to said external environment.

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