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:
May. 27, 2014
Filed:
Apr. 03, 2012
Mark Charles Taggart, High River, CA;
Mark Charles Taggart, High River, CA;
Rangeland Drilling Automation Inc., Calgary, CA;
Abstract
A power tong apparatus is provided. The power can include a vertical riser assembly for attaching to a drilling rig, and a swing arm assembly pivotally attached to the vertical riser assembly. The apparatus can include a power tong assembly pivotally attached to the swing arm assembly. The power tong assembly can include a back-up tong to grip a first pipe, and a power tong to grip and rotate a second pipe to make or break a joint between the pipes. The power tong can include a jaw assembly that, when rotated, grips the second pipe. The power tong can include a hydraulic motor to operate a drive chain or belt to rotate the jaw assembly.