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Vehicle seat belt device

  • US 7,481,460 B2
  • Filed: 11/07/2006
  • Issued: 01/27/2009
  • Est. Priority Date: 11/09/2005
  • Status: Expired due to Fees
First Claim
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1. A vehicle seat belt device comprising:

  • a seat belt for restraining an occupant seated in a seat of a vehicle;

    a pretensioner for retracting a loose portion of the seat belt during an emergency;

    an electric motor for driving the pretensioner; and

    a control unit for controlling the electric motor,wherein the control unit performs control for causing the electric motor to continuously rotate only in a belt retraction direction and repeatedly alternate between low-speed rotation and high-speed rotation when an emergency condition of the vehicle is predicted.

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