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:
Dec. 05, 2017
Filed:
Dec. 23, 2013
Applicant:
Tesco Corporation, Houston, TX (US);
Inventors:
Ryan Thomas Bowley, Calgary, CA;
Edgar Fernando Yajure, Calgary, CA;
Assignee:
TESCO CORPORATION, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/02 (2006.01); E21B 15/00 (2006.01); E21B 19/02 (2006.01);
U.S. Cl.
CPC ...
E21B 3/02 (2013.01); E21B 15/00 (2013.01); E21B 19/02 (2013.01);
Abstract
Present embodiments are directed to a top drive system having a top drive, a bogey chassis, wherein the top drive is coupled with the bogey chassis, an upper bushing coupling the bogey chassis to a torque track, and a lower bushing coupling the bogey chassis to the torque track, wherein the upper and lower bushings are configured to translate along the torque track.