Load limiting apparatus for a hoist

Details Load limiting apparatus for a hoist Load limiting apparatus for a hoist

1991-10-03

1992-09-29

Foss, J. Franklin

Fire escape, ladder, or scaffold

Torso harness

Attached to strand wound on reel, and means for retarding...

182 3, 254346, A62B 110

Patent

active

051507684

ABSTRACT:
Apparatus for limiting the amount of force applied to a cable of a hoist by applying a force on clutch plates which are operatively joined to rotatable plates so that there is relative rotation between the clutch plates and the rotatable place when a force, equivalent to that placed on the clutch plates, is placed on the load supporting end of the cable. A fall arresting device is also provided having arresting apparatus for applying a force to rotate a shaft in a clockwise direction and for permitting controlled rotation of the shaft in a counter-clockwise direction but arresting uncontrolled rotation of the shaft in a counter-clockwise direction.

REFERENCES:
patent: 1453227 (1923-04-01), Murray
patent: 2990131 (1961-06-01), Carlsson
patent: 4304372 (1981-12-01), Smith
patent: 4489919 (1984-12-01), Ostrobrod
patent: 4511123 (1985-04-01), Ostrobrod
patent: 4589523 (1986-05-01), Olson
patent: 4602699 (1986-07-01), Matt
patent: 4603759 (1986-08-01), Hamada
patent: 4623038 (1986-11-01), Stancato
patent: 4736929 (1988-04-01), McMorris

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