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:
Oct. 17, 2017
Filed:
Mar. 07, 2013
Nabors Drilling International Limited, Hamilton, BM;
NABORS DRILLING INTERNATIONAL LIMITED, Hamilton, BM;
Abstract
An apparatus includes a carriage movable along a drilling tower, a linking member pivotally coupled to the carriage, at least one actuator extending between the carriage and the linking member to pivot the linking member between first and second pivot positions, and a top drive pivotally coupled to the linking member. According to another aspect, an apparatus includes a drilling tower, a carriage movably coupled to the drilling tower, a linking member pivotally coupled to the carriage to permit the linking member to pivot between first and second pivot positions, and a top drive extending longitudinally in a parallel relation to the drilling tower, the top drive being pivotally coupled to the linking member to permit the top drive to continue to extend longitudinally in a parallel relation to the drilling tower when the linking member pivots between the first and second pivot positions.