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:
Jul. 11, 2017
Filed:
Jul. 03, 2015
Applicant:
Caterpillar Global Mining Llc., Oak Creek, WI (US);
Inventors:
Frank R. Szpek, Jr., Franklin, WI (US);
Carl D. Gilmore, So. Milwaukee, WI (US);
David T. Bienfang, Mukwonago, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/46 (2006.01); E21C 27/30 (2006.01); E02F 9/18 (2006.01); E02F 9/22 (2006.01); E02F 9/08 (2006.01); B66F 9/075 (2006.01); E02F 9/20 (2006.01); E02F 3/30 (2006.01);
U.S. Cl.
CPC ...
E21C 27/30 (2013.01); B66F 9/07595 (2013.01); E02F 3/304 (2013.01); E02F 3/308 (2013.01); E02F 3/46 (2013.01); E02F 9/0866 (2013.01); E02F 9/18 (2013.01); E02F 9/2016 (2013.01); E02F 9/226 (2013.01);
Abstract
A power shovel including a tool for lifting, a machine house, a hoist drum, hoist drum machinery and an auxiliary weight box having a perimeter, the hoist drum and hoist drum machinery being at least partially disposed within the perimeter of the auxiliary weight box and the hoist drum being disposed outside of the machine house.