Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1982-09-21
1984-03-20
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074A, A62B 3502, B65H 7548
Patent
active
044376235
ABSTRACT:
An improved dual locking safety belt retractor mechanism is disclosed having a frame, a spool of safety belt webbing rotatably carried with respect to the frame by a reel, the reel being provided with a primary ratchet wheel and a deformable program ratchet wheel. An inertia-activated pawl assembly carries a primary pawl member and a deformable programming pawl for engagement with the ratchet wheels in a programmed manner for preventing false-locking conditions. The pawl assembly is mounted by the shaft of the safety belt webbing reel for limited rotation with respect to the retractor frame between deactivated and activated positions in response to protractive forces exerted on the safety belt. A weblocker is provided in front of the retractor reel in which the safety belt webbing passes between a pair of clamping wedges which when actuated by a weblocker actuator in response to rotation of the pawl assembly to the actuated position causes the clamping wedges to slide along respective inclined surfaces in such manner that the wedges move inward with respect to one-another and effectively and immediately clamp the safety belt webbing passing therebetween against further protractive motion.
REFERENCES:
patent: 3450368 (1969-06-01), Glauser et al.
patent: 3504867 (1970-06-01), Stevenson
patent: 3834646 (1974-09-01), Heath
patent: 3918658 (1976-09-01), Beller
patent: 4241886 (1980-12-01), Maekawa
patent: 4249708 (1981-02-01), Asano
patent: 4328934 (1982-05-01), Ahad
American Safety Equipment Corporation
Jillions John M.
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