Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1976-11-26
1978-07-18
Hornsby, Harvey C.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074C, A62B 3502, B65H 7548
Patent
active
041010949
ABSTRACT:
A variety of belt locking mechanisms are disclosed, each utilizing a first mechanism responsive to sudden tensioning in the belt to lock it against further withdrawal, and a second involving a pendulum mechanism responsive to sudden changes in vehicle speed to lock the belt. Each belt tensioning device includes a reciprocable pin or shaft reponsive to increased belt tension to shift in a direction in which it causes a locking lever to engage lockingly with the teeth on a cogwheel which rotates with the spindle on which the belt is wound. The locking lever may be held against the resistance of a spring in its released position by a pendulum-type mechanism which moves in response to sudden changes in vehicle speed to release and allow the latch to pivot to its locking position. Alternatively, the motion-responsive pendulum or mechanism, or a similar mechanism, will operate a second cogwheel frictionally coupled to the first-mentioned cogwheel, to increase belt tension and lock the belt through the belt-tensioning device proper.
REFERENCES:
patent: 3100669 (1963-08-01), Monroe
patent: 3384415 (1968-05-01), Monroe
patent: 3467337 (1969-09-01), Putman
patent: 3659800 (1972-05-01), Meyer
patent: 3838832 (1974-10-01), Romanzi
patent: 3851837 (1974-12-01), Griffin
patent: 3876164 (1975-04-01), Dully
patent: 3918658 (1975-11-01), Beller
Hornsby Harvey C.
Irvin Industries Inc.
Jillions John M.
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