The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 25, 1989
Filed:
Mar. 03, 1988
Applicant:
Inventors:
Phil A Cabanos, Santa Clara, CA (US);
Rafael T Gonzaga, Fremont, CA (US);
Gordon E Rado, Palo Alto, CA (US);
Assignee:
United States of America, Washington, DC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66D / ;
U.S. Cl.
CPC ...
254337 ; 254361 ; 254379 ;
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.