×

Seat belt system

  • US 4,790,561 A
  • Filed: 12/22/1987
  • Issued: 12/13/1988
  • Est. Priority Date: 12/22/1987
  • Status: Expired due to Fees
First Claim
Patent Images

1. An apparatus for use in a vehicle having a member rotatably driven by a motive power source of the vehicle, said apparatus comprising:

  • a seat belt retractor having a spool supported for rotation in belt retraction and belt withdrawal direction; and

    clutch means for connecting the spool and the driven member so that rotation of the driven member rotates said spool in the belt retraction direction in response to the vehicle decelerating at a rate above a predetermined rate, said clutch means comprising;

    a ratchet wheel having a plurality of ratchet teeth extending therefrom, said ratchet wheel being connected to and rotatable with the driven member;

    a clutch dog supported for pivotal movement to a position engaging a tooth on said ratchet wheel to connect said spool with said driven member; and

    means for pivoting said clutch dog into the position engaging said tooth on said ratchet wheel in response to the vehicle decelerating at a rate above the predetermined rate.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×