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:
Oct. 05, 1999
Filed:
Oct. 15, 1997
Applicant:
Inventor:
Robert J Walker, Manitowoc, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C / ;
U.S. Cl.
CPC ...
212294 ; 212298 ; 212300 ;
Abstract
A crane having an upper works rotatably mounted on a lower works, a boom comprising a boom butt and a boom top, a load hoist line, and a wire rope guide connected to the boom butt. The wire rope guide is pivotable between a first position on the end of the boom butt and a second position on the upper side of the boom butt. While in the first position, the wire rope guide permits the load hoist line to be used to lift objects when the boom top has been removed from the crane. The crane also comprises a method of repositioning the wire rope guide during assembly of the crane.