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Module cover of air bag system

  • US 5,062,663 A
  • Filed: 08/27/1990
  • Issued: 11/05/1991
  • Est. Priority Date: 09/25/1989
  • Status: Expired due to Fees
First Claim
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1. A module cover adapted for covering a front opening of a case in which a folded air bag is confined and an inflator for providing gas to inflate and expand the air bag is disposed, comprising;

  • a pair of cut-in-half bodies each of which covers half of said front opening of said case and has a rear face and one edge, said one edge of one of said cut-in-half bodies contacting with one edge of the other of said cut-in-half bodies, edge portions of the cut-in-half bodies opposite to said one edges being attached to said case, at least one of said cut-in-half bodies having protrusions protruding from said rear face; and

    a resin film disposed so as to stretch over the rear face of one of said cut-in-half bodies and the rear face of the other of said cut-in-half bodies, said resin film having holes in which said protrusions are inserted so that said film is engaged with the cut-in-half bodies, and when said inflator is not actuated, said film maintaining contact with the cut-in-half bodies and allowing engagement state between said cut-in-half bodies for making said cut-in-half bodies an integral module cover, and when said inflator is actuated and said air bag is expanded, said film permitting said engagement between said cut-in-half bodies to be released and said one edges of said cut-in-half bodies to be opened so as to move away from said case.

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