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 7503628 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 17, 2009

Filed:

Sep. 01, 2006
Applicants:

David R. Hall, Provo, UT (US);

Ronald Crockett, Provo, UT (US);

Robert P. Chase, Provo, UT (US);

Inventors:

David R. Hall, Provo, UT (US);

Ronald Crockett, Provo, UT (US);

Robert P. Chase, Provo, UT (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A formation breaking apparatus with increased wear-resistance is disclosed. In one aspect of the invention, the apparatus has an assembly attached to an end of an articulated arm. The assembly has an actuator in mechanical communication with an axially guided penetrator. The penetrator may have a body intermediate a proximate end and a distal end; the proximate end being adapted to communicate with the actuator, and the distal end comprising a hard material with a hardness of at least 63 HRc.


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