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Seatbelt apparatus for vehicle

  • US 20040060762A1
  • Filed: 09/24/2003
  • Published: 04/01/2004
  • Est. Priority Date: 09/30/2002
  • Status: Active Grant
First Claim
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1. A seatbelt apparatus for a vehicle, comprising:

  • a webbing for restraining a passenger on a seat;

    a retractor for winding and rewinding the webbing;

    a first pretensioner that allows the retractor to wind the webbing thereinto or rewind the webbing therefrom;

    a second pretensioner that applies a tension to the webbing in an emergency for the vehicle, thereby restraining the passenger through the webbing;

    a deceleration detecting sensor for detecting a decelerating state of the vehicle; and

    a controller for controlling the operations of the first pretensioner and the second pretensioner corresponding to a detected value from the deceleration detecting sensor, wherein the controller includes a correcting unit for correcting the detected value of the deceleration detecting sensor in anticipation of the future so as to advance a timing of the first pretensioner to wind the webbing.

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