Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1980-10-06
1982-08-17
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
280806, A62B 3502, B65H 7548
Patent
active
043445888
ABSTRACT:
An emergency spool release for use with a seat belt retractor mechanism is shown wherein the seat belt mechanism includes a spool for storing a belt which restrains the passenger of a vehicle during an emergency. The belt is urged into a retracted position by spring means while the protracted position of the belt is restrained in an emergency by the automatic engagement of a locking pawl against ratchet teeth found on the periphery of the spool. The automatic engagement is accomplished by an inertia locking system. In some situations, the automatic inertia locking system does not disengage thereby making it difficult to accomplish further protraction of the seat belt in a post emergency situation. The locking pawl in the seat belt mechanism of this invention is capable of a rotational motion to engage the ratchet teeth under the urging of the inertia locking device. It is also capable of a transverse motion under the urging of a manual unlocking device for post emergency release. Transverse motion of the locking pawl is accomplished by a lever which is attached to the locking pawl and spring biased into the automatic position. Actuation of a lever either manually or by a second lever mechanism causes the transverse motion of the locking pawl to unlock the seat belt mechanism in the post emergency condition.
REFERENCES:
patent: 3504336 (1970-03-01), Boblitz
patent: 4083581 (1978-04-01), Clifford
patent: 4090735 (1978-05-01), Czernakowski
patent: 4234209 (1980-11-01), Ikesue
patent: 4235391 (1980-11-01), Steger
patent: 4245798 (1981-01-01), Steger
patent: 4265415 (1981-05-01), Harrell et al.
patent: 4277037 (1981-07-01), Loose et al.
Hollowell William
Stamboulian Nazareth
Tanaka Akira
Ziv Avraham
American Safety Equipment Corp.
Jillions John M.
LandOfFree
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