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:
Sep. 07, 1982
Filed:
Mar. 31, 1980
Applicant:
Inventor:
Munenobu Honda, Osaka, JP;
Assignee:
Elephant Chain Block Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66D / ;
U.S. Cl.
CPC ...
254350 ; 192 / ; 254368 ; 254380 ;
Abstract
A hoist having an overload protection device is provided with a locking mechanism between a hoist body and a disc hub at a mechanical brake provided at the hoist body, the locking mechanism utilizing forward screwing of a driving member forming part of the mechanical brake to lock rotation of the disc hub during an overload condition.