Seat belt tightening device

Details Seat belt tightening device Seat belt tightening device

1995-11-09

1998-07-21

Culbreth, Eric D.

Land vehicles

Wheeled

Attachment

297480, B60R 2236

Patent

active

057824924

ABSTRACT:
A lock arm is rotatably provided on a base bracket. A ratchet is rotatably disposed on a shaft member provided at an end portion of the lock arm. A distal-end claw portion of the ratchet is shaped to be engageable with reverse motion preventing teeth formed on the base bracket. A stopper wall is provided on a proximal end portion of the lock arm. In the state in which an engaging portion of the trigger lever abuts upon the stopper wall, an end portion of the trigger lever is supported by a movable body. Thereby, the lock arm is held in a normal position. The movable body moves from a first position toward a second position at the time of a collision. A support shaft or the center of rotation of the trigger lever is located on a higher level than a location where the lock arm is engaged with the trigger lever. The movable body is provided with a recess in which the end portion of the trigger lever is put when the movable body has moved from the first position to the second position.

REFERENCES:
patent: 4705296 (1987-11-01), Andersson et al.
patent: 4913497 (1990-04-01), Knabel et al.
patent: 5039127 (1991-08-01), Fohl

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