Hoisting winch mounted on crane or the like

Details Hoisting winch mounted on crane or the like Hoisting winch mounted on crane or the like

1982-01-22

1984-04-10

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

74789, 254356, B66D 122, B66D 514, B66D 522

Patent

active

044416911

ABSTRACT:
A hoisting winch for cranes or the like having a power transmission system assembled in a final reduction drive of the winch and arranged such that arresting of the whole planetary gear set meshing with a ring gear connected to a spooling drum and releasing of the arrest can be effected by arresting a carrier and by releasing the arrest and that a rotary drive power from an input shaft is transmitted to the spooling drum when the carrier is held against rotation, brake means adapted to be spring applied and hydraulically released with its control circuit to arrest or release the carrier, and an adjustable pressure reducing valve provided in the control circuit for adjusting and controlling a braking force of the brake means.

REFERENCES:
patent: 3055237 (1962-09-01), Magnuson
patent: 3319492 (1967-05-01), Magnuson
patent: 3519247 (1970-07-01), Christison
patent: 3780990 (1973-12-01), Edlund et al.
patent: 4185520 (1980-01-01), Henneman et al.
patent: 4227680 (1980-10-01), Hrescak

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