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:
Feb. 13, 1979
Filed:
Sep. 22, 1977
Applicant:
Inventor:
Wilburn L Hippach, West Covina, CA (US);
Assignee:
Power Climber Inc., , CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B66D / ;
U.S. Cl.
CPC ...
2541755 ; 187 20 ; 254191 ;
Abstract
An improved cable hoist apparatus having a drive sheave, a tensioning sheave, a pressure inducing chain and a brake system including a set of gears, linkage and brake actuating means. The linkage includes means for disengaging the gears under extreme operating conditions without loosening the chain from around the cable. An improved shaft assembly prevents binding and a solenoid actuated primary brake is manually operated.