Hoist device for a load hanging on hoist ropes, in particular a

Details Hoist device for a load hanging on hoist ropes, in particular a Hoist device for a load hanging on hoist ropes, in particular a

1989-09-05

1991-05-28

Basinger, Sherman

Traversing hoists

Having horizontally swinging boom or bridge

Having fluid ram directly actuating load cable or sheave...

212148, 294 814, B66C 2300

Patent

active

050186310

ABSTRACT:
A container is suspended from four hoist ropes. One end of each rope is wound on a drum to be driven in either direction to hoist or lower the container. The second end of each rope is connected to a double acting hydraulic cylinder. The cylinders are controlled by a valve system to dampen swaying of the load to reset the ropes and for skewing, trimming and listing the load.

REFERENCES:
patent: 3254775 (1966-06-01), Bevard et al.
patent: 3653518 (1972-04-01), Polen
patent: 3675960 (1972-07-01), Mangold
patent: 3786935 (1974-01-01), Vlazny et al.
patent: 3828940 (1974-08-01), Cooper
patent: 4563030 (1986-01-01), Makin
patent: 4784420 (1988-11-01), Makino et al.

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