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:
Dec. 11, 2018
Filed:
Oct. 27, 2016
Siemens Energy, Inc., Orlando, FL (US);
Maxwell Pless, Pittsburgh, PA (US);
SIEMENS ENERGY, INC., Orlando, FL (US);
Abstract
A retention device for restraining movement of a clapper arm used in a clapper valve during removal of a clapper valve shaft that extends through the clapper arm. The device includes an adapter plate mounted to a wall of a clapper valve casing wherein the adapter plate includes a hole having an internal thread. The device also includes a retaining element having an outer thread that threadably engages the internal thread. Further, the device includes a retaining end that is formed on an end of the retaining element, wherein the retaining end includes a circumferential contact surface that abuts against the clapper arm to restrain movement of the clapper arm during removal of the clapper valve shaft.