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:
Apr. 27, 2021
Filed:
Mar. 16, 2020
Applicant:
Joy Global Underground Mining Llc, Warrendale, PA (US);
Inventors:
Joaquim Antonio Soares de Sousa, Alberton, ZA;
Michael Laing, Alberton, ZA;
Assignee:
Joy Global Underground Mining LLC, Warrendale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 27/00 (2006.01); E21C 27/20 (2006.01); E21D 9/10 (2006.01); E21C 27/02 (2006.01); E02F 9/28 (2006.01); E02F 5/18 (2006.01); B26D 1/00 (2006.01); E21B 3/02 (2006.01); E21C 25/06 (2006.01); E21C 25/18 (2006.01); E21C 27/16 (2006.01); E21C 31/02 (2006.01); E02F 5/20 (2006.01); E21B 3/03 (2006.01);
U.S. Cl.
CPC ...
E21C 27/20 (2013.01); E21D 9/102 (2013.01); B26D 2001/0046 (2013.01); E02F 5/18 (2013.01); E02F 5/20 (2013.01); E02F 9/2866 (2013.01); E21B 3/02 (2013.01); E21B 3/03 (2013.01); E21C 25/06 (2013.01); E21C 25/18 (2013.01); E21C 27/02 (2013.01); E21C 27/16 (2013.01); E21C 31/02 (2013.01); E21D 9/1013 (2013.01);
Abstract
A cutting device for engaging a rock face includes a disc body supported for rotation about an axis of rotation, and a plurality of peripheral portions removably secured to the disc body. Each of the peripheral portions including a plurality of cutting bits positioned on a peripheral edge. The peripheral edge of each peripheral portion is aligned with the peripheral edges of adjacent peripheral portions.