Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1981-03-11
1983-07-05
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
A62B 3500, B65H 7548
Patent
active
043914217
ABSTRACT:
A retractor for seat belt with an alleviating device has a webbing take-up shaft biased in webbing take-up direction and rotatably supported on a base, a gear train comprising a first gear member mounted on the take-up shaft for rotation therewith and a second gear member mesh-engaging the first gear member and rotatably provided on the base, a disc with a cam portion provided for rotation with the second gear member by friction engagement therebetween, and a latch member movable between an engaged position in which it is engaged with a portion integral with the gear train and prevents the rotation of the take-up shaft in the webbing take-up direction and a disengaged position in which it is not engaged with the portion integral with the gear train. The latch member is biased toward the engaged position, and the disc with a cam portion has a first guide portion for guiding the latch member from the engaged position to the disengaged position upon draw-out of webbing, a second guide portion for guiding the latch member to the disengaged position upon take-up of the webbing and for holding the latch member in the disengaged position, and a third guide portion for guiding the latch member held in the second guide portion to the engaged position upon draw-out of the webbing.
REFERENCES:
patent: 1674512 (1928-06-01), Hessian
patent: 4002311 (1977-01-01), Fisher et al.
patent: 4106722 (1978-08-01), Inukai et al.
patent: 4108395 (1978-08-01), Heath
patent: 4124175 (1978-11-01), Cislak
patent: 4149683 (1979-04-01), Fisher et al.
patent: 4165054 (1979-08-01), Collins
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patent: 4198011 (1980-04-01), Kamijo et al.
patent: 4199172 (1980-04-01), Fukunaga et al.
patent: 4270709 (1981-06-01), Inukai
patent: 4295684 (1981-10-01), Naitoh
Naitoh Katsumi
Yanagihara Hideo
Jillions John M.
NSK-Warner K. K.
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