Fluid handling – Processes
Patent
1994-06-20
1995-04-04
Schwadron, Martin P.
Fluid handling
Processes
13762412, 1376364, 137556, 251113, 239 70, B05B 130, F16K 3148
Patent
active
054028124
ABSTRACT:
A timed water control valve system for use with a shower, which comprises a valve body within a housing having a water flow passage with a water inlet for a source of water and a water outlet for a device to dispense water, which water flow is to be time controlled. The valve body includes first, second and third spool passageways, with the three spools therein tensionally positioned in their respective spool passageways and adapted to move slidably between a water flow position and a non-water flow position. A timer having a rotatable shaft is connected to a knob which on rotatable movement activates the timer to a preselected water flow time period for the flow of water. The knob is also moved between an inward, water non-activated position and an outward, water activated position; first and second cams about the shaft and between the timer and knob permit the rotation of the knob. A third spool can be selectedly moved slidably between a position to interrupt the preselected water flow time period of the timer and a timer non-stop position; and the first and second cams are arranged so that the user cannot select an additional selected water flow time period until the first cam is placed by the timer in a selected cam alignment with the second cam. A color coded timing indicator extends outwardly from the housing and is connected to the first cam to indicate the water flow condition within the water control valve apparatus.
REFERENCES:
patent: 3542331 (1970-11-01), Canalizo
patent: 3638682 (1972-02-01), Meyer et al.
patent: 4194535 (1980-03-01), Galland et al.
patent: 4230155 (1980-10-01), Frye, Sr. et al.
patent: 4345621 (1982-08-01), Dunckhorst
patent: 4494556 (1985-01-01), Sinclair et al.
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patent: 4867189 (1989-09-01), Moineau
patent: 4921209 (1990-05-01), Moineau
Erickson Alve
Howland John S.
Moineau Hubert J.
Automatic Specialties, Inc.
Crowley Richard P.
Lee Kevin L.
Schwadron Martin P.
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