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. 18, 1997
Filed:
Sep. 14, 1995
Applicant:
Inventor:
John D Guest, Berkshire, SL6 2EX, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285105 ; 285110 ; 285340 ;
Abstract
The disclosure relates to a grab ring comprising an annular element having one set of teeth projecting outwardly at an inclined angle to the annular element to one side thereof and a second set of teeth projecting inwardly at an inclined angle to the annular element to the other side thereof to engage between a pair of inner and outer concentric cylindrical surfaces to permit relative movement between the surfaces in one direction whilst preventing relative movement in the opposite direction.