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Air bag including restraint

DC
  • US 5,566,977 A
  • Filed: 06/01/1995
  • Issued: 10/22/1996
  • Est. Priority Date: 06/01/1995
  • Status: Expired due to Term
First Claim
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1. An inflatable vehicle occupant restraint such as an air bag for, when inflated, protecting a vehicle occupant, said inflatable restraint having an uninflated condition and an inflated condition, said inflatable restraint comprising:

  • a first panel having a central portion and an outer peripheral portion;

    a second panel having a central portion and an outer periphery portion;

    said outer peripheral portions of said first and second panels being sewn together along an outer stitching line to join said first and second panels to form a body portion of said inflatable restraint;

    said central portions of said first and second panels being at least partially spaced apart from each other when said inflatable restraint is in the inflated condition to define an inflation fluid volume between said central portions of said first and second panels; and

    a plurality of non-extensible assemblies disposed within said outer stitching line and joining said central portion of said first panel to said central portion of said second panel at a plurality of spaced apart locations to control the width of said inflation fluid volume as measured between said first and second panels, each one of said assemblies comprising;

    (a) a first section of said central portion of said first panel;

    (b) a second section of said central portion of said second panel; and

    a stitching section extending around and enclosing said first section and said second section, said stitching section joining said first section to said second section in an overlying relationship, said stitching section blocking flow of inflation fluid from said inflation fluid volume between said first section and said second section.

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