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Seat belt apparatus

  • US 20080054616A1
  • Filed: 08/28/2007
  • Published: 03/06/2008
  • Est. Priority Date: 08/30/2006
  • Status: Active Grant
First Claim
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1. A seat belt apparatus, comprising:

  • a seat belt webbing for occupant restraint;

    a rotatable spool connected to the seat belt webbing and rotatably supported by a base frame;

    at least one variable energy absorbing mechanism connected to an end of the rotatable spool, wherein the variable energy absorbing mechanism comprises;

    a chamber configured to be filled with a fluid;

    a flexible member attached to an outer circumference of the rotatable spool within the chamber; and

    a locking mechanism for preventing rotation of the chamber during a crash event.

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