Linear locking seat belt retractor

  • US 4,213,652 A
  • Filed: 06/12/1978
  • Issued: 07/22/1980
  • Est. Priority Date: 06/12/1978
  • Status: Expired due to Term
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First Claim
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1. Mechanism for retracting a seat belt and locking the belt against extension comprising:

  • a track;

    a belt carriage having the belt attached thereto and being mounted on the track for movement therealong in the belt extending direction and the belt retracting direction;

    locking means mounted on the belt carriage and adapted for actuation to a locked position engaging the track to lock the belt carriage against belt extending movement along the track;

    a reel;

    a flexible element having one end wound on the reel and the other end attached to the locking means;

    a winding spring rotating the reel in the direction to wind the flexible element and urge movement of the carriage along the track in the belt retracting direction;

    and reel locking means associated with the reel to lock the reel against rotation in the flexible element unwinding direction whereby the flexible element actuates the locking means to the locked position to lock the carriage against belt extending movement along the track.

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