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. 08, 2011
Filed:
Apr. 30, 2009
Applicant:
Clint Musemeche, Youngsville, LA (US);
Inventor:
Clint Musemeche, Youngsville, LA (US);
Assignee:
Mech-Tech Engineering, LLC, Broussard, LA (US);
Primary Examiner:
Int. Cl.
CPC ...
B25B 13/50 (2006.01); B25B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power tong having a ring gear and dumbell rollers, with mating load surfaces on the ring gear and dumbell rollers which transfer horizontal and vertical loads from the ring gear to the dumbell rollers, without contact between the ring gear teeth and the dumbell rollers. The power tong further has a dumbell roller shaft configuration which permits vertical and rotational locking of the shaft, while permitting easy replacement and without binding of the rotation of the top and bottom plates on the dumbell rollers.