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Seat belt utilization recorder

  • US 4,111,459 A
  • Filed: 09/09/1977
  • Issued: 09/05/1978
  • Est. Priority Date: 09/09/1977
  • Status: Expired due to Term
First Claim
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1. An anchorage device for attaching a seat belt on a vehicle body structural member and for providing a record of imposition of a predetermined occupant restraint load on the seat belt, said anchorage device comprising:

  • a seat belt mounting member having the seat belt attached thereto, said mounting member having an elongated slot extending generally in the direction of imposition of occupant restraint load and having a load bearing wall at one end of the slot, a fastener extending through the slot and attaching the mounting member on the structural member, means located in the slot in interposition between the fastener and the load bearing wall to space the load bearing wall from the fastener, said means having a predetermined limited load sustaining capability and being permanently altered upon imposition of an occupant restraint seat belt load greater than the predetermined load sustaining capability to provide a permanent record of load imposition and permit limited bodily shifting movement of the mounting member whereby the fastener traverses the slot to engage the load bearing wall and thereby anchor the seat belt for restraint of the occupant.

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