Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1981-04-08
1983-08-02
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074A, A62B 3502, B65H 7548
Patent
active
043961673
ABSTRACT:
A seat belt retractor includes a housing having laterally spaced first and second housing walls and a belt reel journaled for rotation by a reel shaft extending between the housing walls. A ratchet plate is attached to each end of the reel. A lock bar extends between the housing walls and has locking teeth adapted to selectively engage the ratchet plates to lock the reel against belt unwinding so that occupant movement away from the seat imposes an occupant restraint load on the belt which tends to spool down the belt on the reel. A belt clamping mechanism is mounted on the housing and is operable in response to the imposition of occupant restraint load on the belt subsequent to lockup of the belt reel to a clamp the belt against extending from the reel. A manually actuable release mechanism is operable by the occupant to forcibly disengage the lock bar from engagement with the ratchet plate and to simultaneously forcibly disengage the belt clamping mechanism from the belt to assure restoration of belt winding and unwinding.
REFERENCES:
patent: 4120466 (1978-10-01), Adomeit
patent: 4273301 (1981-06-01), Frankila
patent: 4277037 (1981-07-01), Loose et al.
patent: 4286759 (1981-09-01), Usami et al.
General Motors Corporation
Jillions John M.
Leahy Charles E.
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