Inventors:
Phil A. Cabanos - Santa Clara CA
Rafael T. Gonzaga - Fremont CA
Gordon E. Rado - Palo Alto CA
Assignee:
United States of America - Washington DC
International Classification:
B66D 136
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.