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:
Feb. 28, 2017
Filed:
May. 20, 2014
Applicant:
Mhwirth As, Kristiansand, NO;
Inventor:
Gjerulf Ottersland, Kristiansand, NO;
Assignee:
MHWIRTH AS, Kristiansand, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/06 (2006.01); B25J 15/00 (2006.01); E21B 19/14 (2006.01); E21B 19/15 (2006.01);
U.S. Cl.
CPC ...
B25J 15/0028 (2013.01); E21B 19/06 (2013.01); E21B 19/14 (2013.01); E21B 19/155 (2013.01);
Abstract
A gripping device for tubular elements includes two gripping arms arranged opposite to each other which together forming an opening having a diameter, transfer elements, at least one piston rod connected to the two gripping arms via the transfer elements, at least one cylinder in which the at least one piston rod is configured to run, a stop device connected to the at least one piston rod, and an adjustment system configured to limit an axial movement of the stop device and thereby the diameter of the opening. The stop device is configured to cooperate with the adjustment system.