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:
Jan. 07, 2020
Filed:
Apr. 29, 2015
Applicant:
Esco Corporation, Portland, OR (US);
Inventors:
Michael B. Roska, Portland, OR (US);
Ty D. Porter, Oregon City, OR (US);
Severn D. Durand, Portland, OR (US);
Assignee:
ESCO GROUP LLC, Portland, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 13/00 (2006.01); B02C 13/04 (2006.01); B02C 13/28 (2006.01);
U.S. Cl.
CPC ...
B02C 13/04 (2013.01); B02C 13/28 (2013.01); B02C 2013/2812 (2013.01);
Abstract
A multi-piece hammer for use in a reducing machine. The multi-piece hammer includes a base to be mounted to the reducing machine, a replaceable tip to be mounted to the base and to impact the material to be reduced, and a retainer to secure the replaceable tip to the base. The replaceable tip has a cavity with a single rail or groove that corresponds to a single groove or rail on the base.