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:
Jun. 06, 1978
Filed:
Oct. 29, 1976
Applicant:
Inventors:
Rainer Jurgens, Celle, DT;
Alfred Ostertag, Celle, DT;
Assignee:
Christensen, Inc., Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B / ;
U.S. Cl.
CPC ...
81 5734 ; 29240 ; 81 5739 ;
Abstract
An apparatus for making-up and breaking a threaded connection between threaded tubular members, including a turnable chuck and a non-turnable chuck, each of which can be releasably clamped around its companion threaded tubular member, rotation of the turnable chuck in one direction making up the threaded connection, whereas rotation of the turnable chuck in the opposite direction breaking the threaded connection.