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:
Sep. 30, 2014
Filed:
Mar. 16, 2009
Applicant:
Gregory W. Peterson, Mesa, AZ (US);
Inventor:
Gregory W. Peterson, Mesa, AZ (US);
Assignee:
Atlas Copco Secoroc LLC, Grand Prairie, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/25 (2006.01); F16J 15/36 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
E21B 10/25 (2013.01); F16J 15/344 (2013.01);
Abstract
An earth bit includes a cutting cone carried by a lug, and an interstice seal assembly which forms a dynamic seal with a radial interstice lug surface of the lug. The interstice seal assembly includes a rigid sealing ring having lengthened and shortened arm portions. The lengthened arm portion extends outwardly from the shortened arm portion, and engages the radial interstice lug surface.