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. 05, 2015
Filed:
Jan. 31, 2012
Applicants:
Glenn H. Stalker, Glendale, WI (US);
William R. Powers, Mukwonago, WI (US);
Inventors:
Glenn H. Stalker, Glendale, WI (US);
William R. Powers, Mukwonago, WI (US);
Assignee:
Harnischfeger Technologies, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/58 (2006.01); E02F 9/20 (2006.01); E02F 3/46 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2016 (2013.01); E02F 3/46 (2013.01);
Abstract
A sheave includes a hub defining an axis, a rim defining at least one circumferentially extending groove, and two plates oriented substantially perpendicular to the axis. Each plate is connected to the hub and to the rim, and a plurality of reinforcing tubular members extend between the plates.