Lockbar release for inertia locking seat belt retractor

Details Lockbar release for inertia locking seat belt retractor Lockbar release for inertia locking seat belt retractor

1979-11-13

1981-03-03

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

280806, A62B 3502, B65H 7548

Patent

active

042536235

ABSTRACT:
A seat belt retractor has a belt reel rotatably mounted on a support member which is mounted on the housing by a pivot axis spaced from the reel shaft. A lockbar is pivotally mounted on the housing for movement between a locking position engaging a ratchet plate attached to the reel and an unlocked position disengaged from the ratchet plate to permit belt unwinding. A latch acts between the reel and the support member to normally latch the reel support member with the housing at a position establishing the reel ratchet plate in proximity with the lockbar for the selective locking engagement by the lockbar. The latch may be manually disengaged to permit the belt load acting on the reel to pivot the support member about the pivot axis and thereby carry the reel and ratchet plate away from locking engagement with the lockbar to permit belt unwinding irrespective of the lockbar being located at the locking position.

REFERENCES:
patent: 2708555 (1955-05-01), Heinemann et al.
patent: 3273822 (1966-09-01), Merrell et al.
patent: 3312451 (1967-04-01), Davis
patent: 3503571 (1970-03-01), Martin
patent: 3695545 (1972-10-01), Peters
patent: 3771814 (1973-11-01), Hahn
patent: 4040645 (1977-08-01), Giffen et al.
"Seat Belt Systems for the Future", E. Nichol, Report on the Third International Technical Conference on Experimental Safety Vehicles, Wash., D.C. May 30-Jun. 2, 1972.

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