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:
Aug. 14, 1990
Filed:
Jul. 24, 1989
Applicant:
Inventor:
Charles E Lucas, Tulsa, OK (US);
Assignee:
The Crosby Group, Inc., Tulsa, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C / ;
U.S. Cl.
CPC ...
294 822 ; 245995 ;
Abstract
A flapper type gate latch for a crane hook includes a hand operated interlocking prevent member which in one mode can be immovably retained closing the mouth of the hook, and in another mode can be immovably retained permitting the free movement of the gate latch from its biased normally closed position to a position wherein the mouth of the hook is open.