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Webbing locking device

  • US 4,570,975 A
  • Filed: 12/26/1984
  • Issued: 02/18/1986
  • Est. Priority Date: 12/26/1984
  • Status: Expired due to Term
First Claim
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1. A webbing locking device adapted for use in a seatbelt system for restraining an occupant of a vehicle by an occupant restraining webbing, which comprises:

  • (a) a frame fixed to a vehicle body;

    (b) a fixed locking member fixed to the frame;

    (c) a movable locking member supported movably by the frame to be opposed to the fixed locking member, the movable locking member locking an intermediate portion of the webbing by the same and the fixed locking member in an emergency situation of the vehicle;

    (d) guide means for guiding the movable locking member in a direction of a webbing drawing-out and approach to the fixed locking member;

    (e) trigger means supported by the frame movably in such a direction to cause the webbing to abut on a portion of the movable locking member; and

    (f) acceleration sensing means for detecting a large acceleration to actuate the trigger means in the emergency situation of the vehicle,whereby the webbing is locked by the fixed and the movable locking members in the emergency situation of the vehicle.

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