Unitized portable hoist

Details Unitized portable hoist Unitized portable hoist

1988-03-03

1989-07-25

Stodola, Daniel P.

Implements or apparatus for applying pushing or pulling force

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

Device includes rotatably driven, cable contacting drum

254361, 254379, B66D 136

Patent

active

048505706

ABSTRACT:
A unitized portable hoist having a base structure. A support structure is attached to the base structure. A hoist drum is rotatable attached to hydraulic motors which are in turn attached to the base structure. A crown block is attached to the base structure below the hoist drum. An electric motor drives a hydraulic pump, both of which are attached to the base structure. The hydraulic pump drives the hydraulic motors. A cable is taken up and let out by the hoist drum. A fall block rides on the cable.

REFERENCES:
patent: 2695086 (1954-11-01), Parker
patent: 2809804 (1957-10-01), Sheard
patent: 3467359 (1969-09-01), Durand
patent: 3836122 (1974-09-01), Pierce, Jr.
patent: 4042213 (1977-08-01), Schreyer
patent: 4109799 (1978-08-01), Munn
patent: 4169580 (1979-10-01), Hatlapa

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