Rafael T Gonzaga
Engineers at Monolake Ln, Fremont, CA

License number
Colorado 13611
Issued Date
Oct 1, 1975
Renew Date
Mar 18, 1994
Expiration Date
Mar 18, 1994
Type
Professional Engineer
Address
Address
32860 Mono Lake Ln, Fremont, CA 94536

Professional information

Rafael Gonzaga Photo 1

Unitized Portable Hoist

US Patent:
4850570, Jul 25, 1989
Filed:
Mar 3, 1988
Appl. No.:
7/163439
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
US Classification:
254337
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.