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:
Aug. 09, 2011
Filed:
Aug. 17, 2007
Applicant:
Gregory W. Peterson, Fort Worth, TX (US);
Inventor:
Gregory W. Peterson, Fort Worth, TX (US);
Assignee:
Atlas Copco Secoroc LLC, Grand Prairie, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/08 (2006.01); E21B 10/46 (2006.01); F16C 33/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
An earth bit includes a cutting cone rotatably mounted to a lug with a journal. A sealing member is sealingly engaged with the cutting cone and a wear ring carried by the lug. The wear ring is dynamically engaged with the first sealing member and statically engaged with the lug.