Lifting and handling equipment unit, especially for shipside ope

Details Lifting and handling equipment unit, especially for shipside ope Lifting and handling equipment unit, especially for shipside ope

1978-09-29

1981-07-07

Jillions, John M.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

414138, 254337, B66D 148

Patent

active

042770530

ABSTRACT:
Under the action of relative motion between a hoisting machine support and a load, a movable component such as a pulley-block carried by the hoisting machine is capable of free displacement under gravity between two end positions of abutment when that end of the movable component which is intended to cooperate with the load is stationary with respect to the load, thereby compensating for any variation in distance between the load and that portion of the hoisting machine which carries the movable component. The equipment unit is designed primarily for hoisting operations performed at sea or on wharves.

REFERENCES:
patent: 1968636 (1934-07-01), Dickhaut
patent: 2852936 (1958-09-01), Broussard
patent: 2948512 (1960-08-01), Crenshaw, Jr.
patent: 2973942 (1961-03-01), Schaper
patent: 3343810 (1967-09-01), Parnell
patent: 3662991 (1972-05-01), Lakiza et al.
patent: 3743249 (1973-07-01), Daalen
patent: 3791628 (1974-02-01), Burns et al.
patent: 3804183 (1974-04-01), Duncan et al.
patent: 3967735 (1976-07-01), Payne
patent: 4179233 (1979-12-01), Bromell et al.

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