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. 25, 2018
Filed:
Apr. 10, 2015
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01); F16C 29/00 (2006.01);
U.S. Cl.
CPC ...
E21B 19/161 (2013.01); E21B 19/165 (2013.01);
Abstract
A portable tong system includes: a power tong; a backup tong; and an adapter. The adapter includes: a main frame having a base for mounting the backup tong; a mount for mounting the main frame to a positioning system; a leveling frame for torsional connection to the power tong; a suspension mounted to the leveling frame for supporting the power tong; a linear actuator for raising and lowering the leveling frame relative to the main frame; and a torsional arrestor torsionally connecting the leveling frame to the main frame.