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:
Nov. 16, 1993
Filed:
May. 15, 1992
Robert Smetters, Schaumburg, IL (US);
Val-Matic Valve and Manufacturing Corp., Elmhurst, IL (US);
Abstract
A quick change coupling arrangement for holding an actuator shaft of a hydraulic dampening unit to a valve shaft of a swing check valve. The coupling arrangement provides knob portions arranged on opposing free ends of the valve shaft and the actuator shaft, which are captured in sandwich fashion between two semi-circular cylindrical shell connectors. An outer sleeve is provided which can be temporarily displaced upward on the actuator shaft during assembly of the shell sections over the knob portions and then slid downward to cover the shell sections and hold the shell connectors together preventing radial departure from the knob portions. A set screw is provided to hold the sleeve in axial fixation with one of the shell connectors.