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:
May. 30, 2000
Filed:
Nov. 25, 1998
Applicant:
Inventor:
Harvey J Kallenberger, Wind Lake, WI (US);
Assignee:
Harnischfeger Technologies Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F / ; E02F / ;
U.S. Cl.
CPC ...
37397 ; 254398 ;
Abstract
A machine for heavy loads comprising a rope support sheave mounted on a boom between upper and lower ends of the boom for movement between a raised position wherein the sheave supports a hoist rope above the boom and a lowered position wherein the rope support sheave is accessible for maintenance.