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. 14, 2019
Filed:
May. 26, 2017
Applicant:
Joy MM Delaware, Inc., Wilmington, DE (US);
Inventors:
Joaquim Antonio Soares de Sousa, Gauteng, ZA;
Michael Laing, Gauteng, ZA;
Assignee:
Joy Global Underground Mining LLC, Warrendale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 27/00 (2006.01); E21C 25/06 (2006.01); E21B 3/02 (2006.01); E21C 25/18 (2006.01); E02F 5/20 (2006.01); E21B 3/03 (2006.01); E21D 9/10 (2006.01); E21C 27/02 (2006.01); B26D 1/00 (2006.01); E21C 27/16 (2006.01); E21C 31/02 (2006.01);
U.S. Cl.
CPC ...
E21C 25/06 (2013.01); E02F 5/20 (2013.01); E21B 3/02 (2013.01); E21B 3/03 (2013.01); E21C 25/18 (2013.01); E21C 27/02 (2013.01); E21D 9/102 (2013.01); B26D 2001/0046 (2013.01); E21C 27/16 (2013.01); E21C 31/02 (2013.01); E21D 9/1013 (2013.01);
Abstract
A cutting device for a cutting head includes a disc, a plurality of cutting elements secured to the disc, and a plurality of wear elements secured to the disc. The disc rotates about an axis of rotation, and the disc includes a peripheral edge. The cutting elements are spaced apart from one another along the peripheral edge of the disc. The wear elements are spaced apart from one another and from the cutting elements.