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.

Date of Patent:
Dec. 31, 2019

Filed:

Feb. 10, 2017
Applicant:

Baker Hughes, a GE Company, Llc, Houston, TX (US);

Inventors:

Michal Benes, The Woodlands, TX (US);

John Abhishek Raj Bomidi, Spring, TX (US);

Jon David Schroder, The Woodlands, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/22 (2006.01); E21B 10/24 (2006.01); F16C 17/04 (2006.01); F16C 19/54 (2006.01); F16C 25/08 (2006.01); F16C 33/04 (2006.01); F16C 33/36 (2006.01); E21B 10/25 (2006.01); F16C 21/00 (2006.01); F16C 17/26 (2006.01); F16C 19/30 (2006.01); E21B 10/28 (2006.01); F16C 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 10/22 (2013.01); E21B 10/25 (2013.01); F16C 17/04 (2013.01); F16C 17/26 (2013.01); F16C 19/30 (2013.01); F16C 19/54 (2013.01); F16C 21/005 (2013.01); F16C 25/08 (2013.01); F16C 33/043 (2013.01); F16C 33/366 (2013.01); E21B 10/28 (2013.01); F16C 17/02 (2013.01); F16C 2352/00 (2013.01);
Abstract

Bearing systems configured for use on a downhole tool may include a tensioner bolt having a complementary nut, the tensioner bolt and nut sized and shaped to secure the rolling cutter member to a head. A radial bearing may include an annular sleeve sized and shaped to surround the head. A shaft washer may be sized and shaped to surround the head between an enlarged head of the tensioner bolt and the annular sleeve. A bearing element may be configured for positioning proximate the head, the bearing element comprising an upper surface configured for sliding, frictional contact with a lower surface of the shaft washer.


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