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Pleated inflatable cushion for passenger restraint

  • US 5,482,318 A
  • Filed: 10/27/1993
  • Issued: 01/09/1996
  • Est. Priority Date: 10/27/1993
  • Status: Expired due to Term
First Claim
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1. An inflatable cushion restraint for restraining a vehicle occupant in the event of a collision, the inflatable cushion restraint comprising:

  • a body portion having an interior and a perimeter, said perimeter of said body portion including a plurality of pleated corner portions wherein said pleated corner portions include expansible folded pleats extending from said perimeter of said body portion to the interior of said body portion, said pleated corner portions being separated from one another by substantially straight non heat shrunk boundary edge portions;

    a web portion including an interior and a perimeter, said perimeter of said web portion being joined to said perimeter of said body portion to form an enclosure by seam means formed along the perimeter of the web portion and the substantially straight boundary edge portions of said body portion such that the perimeter of said web portion and the substantially straight boundary edge portions of said body portion are in substantially flat overlaying relationship; and

    entrance means for introducing an inflating medium between said web portion and said body portion such that said inflatable cushion may be expanded to an operable state by the unfolding of said expansible folded pleats.

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