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Seat belt tension indicator

  • US 7,242,286 B2
  • Filed: 08/22/2003
  • Issued: 07/10/2007
  • Est. Priority Date: 08/22/2003
  • Status: Expired due to Fees
First Claim
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1. An apparatus for alerting a motor vehicle operator that tension of a motor vehicle seat belt is within a predetermined range, and adapted to be fastened to the seat belt, the seat belt having a first and second web surface, the apparatus comprising:

  • first and second members contacting the first web surface of the seat belt;

    a third member located between the first and second members and contacting the second web surface of the seat belt, the third member providing a response to the tension of the seat belt;

    a force sensing device coupled to the third member, the device being adapted to alert the operator when the response of the third member corresponds to the tension of the seat belt being within the predetermined range, the force sensing device including a manual input in communication with an integrated circuit to indicate when a reference tension is applied to the apparatus.

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