Baths – closets – sinks – and spittoons – Flush closet – Plural flush – preliminary or subsequent
Patent
1978-06-29
1980-03-18
Levy, Stuart S.
Baths, closets, sinks, and spittoons
Flush closet
Plural flush, preliminary or subsequent
4366, 4379, 4394, 4397, 4405, 137410, 13762414, E03D 136, F16K 3118
Patent
active
041931459
ABSTRACT:
A flushing mechanism is disclosed for use in the tank of a toilet, utilizing a spool valve to accommodate various fluid pressures and to accomplish accurate control of volumetric flow. A housing is provided in the toilet tank, defining an inlet port which is adapted to be connected to the source of flushing fluid, e.g. water, and also defining a vertical valve chamber extending somewhat transverse to the inlet port and connected to control the discharge of water from the valve and out of the tank to the toilet bowl. The spool valve is provided in the valve chamber such that the facing surfaces of lands on the spool are subjected to the pressure of the flushing water source, to maintain a balance. Manual means is disclosed for displacing the spool valve to supply flushing water from the source while activating a hydraulic timer which, in due course, resets the spool valve. In the disclosed embodiment, the hydraulic timer involves a bleed tube for supplying water to the tank which contains a float. Upon completion of the flushing operation, effected by the float reaching a predetermined level, the bleed tube supplies water from the tank to the bowl, restoring the water level in the bowl to the threshold of flushing.
REFERENCES:
patent: 789962 (1905-05-01), Callahan
patent: 2448231 (1948-08-01), Molloy
patent: 2492436 (1949-12-01), Owens
patent: 2587901 (1952-03-01), Robinson
patent: 3517684 (1970-06-01), Mitchell
patent: 3780384 (1973-12-01), Rivelle
patent: 3896854 (1975-07-01), Utchell
patent: 4052756 (1977-10-01), Whiteman, Sr. et al.
patent: 4114208 (1978-09-01), Imler
Gross Gary
Thies James F.
Garon Processing Co.
Levy Stuart S.
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