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:
Mar. 17, 2020
Filed:
Mar. 18, 2014
Applicant:
Esco Corporation, Portland, OR (US);
Inventors:
Erik L. Johnson, Edmonton, CA;
Stephen M. Lafond, Millet, CA;
Cameron R. Leedham, Portland, OR (US);
Boyan K. Bahnev, Edmonton, CA;
Assignee:
ESCO GROUP LLC, Portland, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C 25/18 (2006.01); E21C 35/18 (2006.01); E21C 35/183 (2006.01); B02C 4/30 (2006.01); E02F 9/28 (2006.01); B28D 1/18 (2006.01);
U.S. Cl.
CPC ...
B02C 4/305 (2013.01); B28D 1/188 (2013.01); E02F 9/2825 (2013.01); E02F 9/2833 (2013.01); E02F 9/2858 (2013.01); E02F 9/2866 (2013.01); E21C 25/18 (2013.01); E21C 35/18 (2013.01); E21C 35/183 (2013.01); B02C 2210/02 (2013.01);
Abstract
A wear cap for use on an earth working roil for mining, construction and public works machines such as crushers, surface miners, milling machines and the like includes a working end and a rear mounting end. The rear mounting end including a pair of top and bottom rearwardly extending protrusions, a retainer, and a cavity having side stabilizing surfaces and a top and bottom rail or groove to support the wear cap on a holder mounted to the earth working roll.