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 8464813 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 18, 2013

Filed:

Jan. 27, 2010
Applicant:

Andrew J. Osborne, Jr., Dallas, TX (US);

Inventor:

Andrew J. Osborne, Jr., Dallas, TX (US);

Assignee:

Atlas Copco Secoroc LLC, Grand Prairie, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/26 (2006.01); E21B 10/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A raise boring reamer assembly includes a saddle, and a journal assembly carried by the saddle. The journal assembly includes nose and gage shanks, and a cutter is carried by the journal assembly. Nose and gage wiper rings are positioned proximate to the nose and gage shanks, respectively. The nose and gage wiper rings move debris in opposed directions in response to the rotation of the cutter.


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