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. 21, 2020
Filed:
Jun. 02, 2017
Applicant:
Harnischfeger Technologies, Inc., Wilmington, DE (US);
Inventors:
William J. Hren, Wauwatosa, WI (US);
Ethan J. Pedretti, Holmen, WI (US);
Assignee:
Joy Global Surface Mining Inc, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/30 (2006.01); E02F 3/54 (2006.01); E02F 3/48 (2006.01); E02F 3/38 (2006.01); E02F 3/40 (2006.01); E02F 9/14 (2006.01); E02F 9/28 (2006.01); E02F 9/00 (2006.01); E02F 9/22 (2006.01);
U.S. Cl.
CPC ...
E02F 3/308 (2013.01); E02F 3/38 (2013.01); E02F 3/40 (2013.01); E02F 3/48 (2013.01); E02F 3/54 (2013.01); E02F 9/14 (2013.01); E02F 9/2808 (2013.01); E02F 9/006 (2013.01); E02F 9/2271 (2013.01);
Abstract
A mining machine includes a frame, a boom coupled to the frame, a handle coupled to the frame and a dipper coupled to the handle. The handle includes an extension, and a bail is coupled directly to the extension, such that the bail is isolated from the dipper.