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:
Sep. 06, 1988
Filed:
Jan. 19, 1988
Applicant:
Inventor:
Howard B Marx, Auburn Township, Geauga County, OH (US);
Assignee:
Imo Delaval Inc., Princeton, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13762517 ; 1376364 ; 251 20 ; 251 21 ;
Abstract
A ball clutch mechanism couples a faucet knob to the splined end of a valve stem for releasing the valve stem when the knob is fully depressed. A dashpot damped return spring urges the valve stem toward valve closed position when the clutch mechanism releases. The same dashpot controlled return spring closes the valve if the knob is released either before or after full travel inward. Rotation of the knob rotates the valve stem to determine water temperature by mixing hot and cold supplies. Check valves control passages that are provided to vent the lines during fluid flow and to drain the lines when the system is serviced.