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.

Date of Patent:
Dec. 29, 2015

Filed:

Jan. 08, 2009
Applicants:

Ray J. Morris, Portland, OR (US);

Christopher M. Carpenter, Tualatin, OR (US);

Robert S. Fleck, Wilsonville, OR (US);

Mark A. Cheyne, Portland, OR (US);

Inventors:

Ray J. Morris, Portland, OR (US);

Christopher M. Carpenter, Tualatin, OR (US);

Robert S. Fleck, Wilsonville, OR (US);

Mark A. Cheyne, Portland, OR (US);

Assignee:

ESCO Corporation, Portland, OR (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 13/28 (2006.01); E21C 35/193 (2006.01); E21C 35/18 (2006.01);
U.S. Cl.
CPC ...
E21C 35/1933 (2013.01); E21C 2035/1806 (2013.01);
Abstract

A tip for use on an earth working roll for mining, construction and public works machines such as crushers, surface miners, milling machines and the like includes a working end provided with side relief to reduce drag and wearing, require less power to drive the rolls, and lengthen the usable life of the tip. The working end can also have a generally flat front surface to improve the yield in a crushing or other similar operation. The tip includes a base and a wear cap releasably secured together by a retainer.


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