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. 02, 1982
Filed:
Feb. 20, 1980
Applicant:
Inventors:
Walter W Antoniw, Lakewood, OH (US);
Richard J Silagy, Parma, OH (US);
James F Norton, Berea, OH (US);
Assignee:
Tuthill Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
251357 ; 13761402 ;
Abstract
A new and improved valve assembly is easily assembled and includes a resilient annular washer. The washer has inner and outer side surfaces dimensioned so that a valve stem presses the inner side surface of the washer radially outwardly to expand the washer into engagement with a hook on a retainer cup. The hook holds the washer against axial displacement relative to the retainer cup under the influence of fluid pressure forces. The retainer cup advantageously engages a shoulder on the valve stem to limit axial compression of the washer.