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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.:

US 11499426 B1

PDFFull Text
Date of Patent:
Nov. 15, 2022

Filed:

Oct. 16, 2020

Cutting device with tapered cutting element

Applicant:

Joy Global Underground Mining Llc, Warrendale, PA (US);

Inventors:

Joaquim Antonio Soares de Sousa, Alberton, CA;

Michael Laing, Alberton, CA;

Assignee:

JOY GLOBAL UNDERGROUND MINING LLC, Warrendale, PA (US);

Attorney:

Michael Best & Friedrich LLP

Primary Examiner:

Janine M Kreck

Int. Cl.
CPC ...
E21C 35/00 (2006.01); E21C 27/20 (2006.01); E21C 35/183 (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); E21C 35/1837 (2020.05); 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 cutting rock includes a disc and a plurality of cutting elements secured to the disc. The disc is supported for rotation about an axis of rotation, and the disc includes a peripheral edge extending around the axis of rotation. The plurality of cutting elements are spaced apart along the peripheral edge of the disc and positioned in a cutting plane. Each of the cutting elements includes a base portion and a cutting portion including a cutting edge, and the cutting portion has a width that is larger than a width of the base portion.

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