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:
Aug. 07, 2012
Filed:
Dec. 24, 2009
Applicants:
Joseph J. Zimmerman, Franklin, PA (US);
Garrett L. Lowman, Polk, PA (US);
Inventors:
Joseph J. Zimmerman, Franklin, PA (US);
Garrett L. Lowman, Polk, PA (US);
Assignee:
Joy MM Delaware, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 27/24 (2006.01); F16H 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for mining a mineral seam, comprising a motor, and a cutting drum carried on the frame for winning aggregate material from the mineral seam. The cutting drum encloses the motor, and a gear case drivingly connected between the motor and the cutting drum transmits power from the motor to the cutting drum. The gear case is also enclosed within the cutting drum.