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Passive seat belt system for vehicle

  • US 5,037,133 A
  • Filed: 09/24/1987
  • Issued: 08/06/1991
  • Est. Priority Date: 09/26/1986
  • Status: Expired due to Fees
First Claim
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1. A passive seat belt system for a vehicle, comprising:

  • a webbing for restraining a vehicle passenger, said webbing capable of selectively taking a first position for restraining the passenger and a second position for releasing the passenger from restraint;

    a first means for detecting impact of the vehicle and for outputting an impact signal;

    a second means for detecting a change in closing and opening states of a vehicle door;

    a third means for selectively outputting first and second signals for a predetermined time when said change is detected by said second means, and for prohibiting said first and second signals from being outputted when said impact signal is outputted from said first means; and

    a fourth means for moving said webbing to the first and second positions respectively in response to said first and second signals outputted from said third means.

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