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:
Jul. 28, 1998
Filed:
Jun. 21, 1996
Applicant:
Inventors:
Eugene L Foster, Alton Bay, NH (US);
K Douglass Lum, McLean, VA (US);
Assignee:
UTD, Inc., Newington, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 92 ; 285 86 ; 285322 ; 285328 ; 285330 ; 285333 ; 285906 ;
Abstract
A threaded joint is provided with a locking mechanism for resisting loosening and over torquing. The joint has splines that are alignable with axially directed fingers, and shear plates that are movable into the spaces between the splines and the fingers. The shear plates may be supported by a shear ring. A lock ring may be provided for maintaining the shear plates between the respective spaces. Another embodiment of the joint has a knurled portion that is alignable with axially directed fingers. The joint also includes a clamp ring engageable with the fingers.