Flush control valve

Claim 1

A FLOAT OPERATED FLUSH CONTROL VALVE FOR CONTROLLING THE FLOW OF WATER INTO A WATER CABINET TO RAISE THE WATER LEVEL WITHIN SAID CABINET TO A PREDETERMINED HIGH WATER LEVEL INCLUDING; A SUBSTANTIALLY CYLINDRICAL SHAPED OUTER HOUSING CLOSED AT ITS UPPER END BY AN ORIFICED UPPER CLOSURE PLATE AND CLOSED AT ITS BOTTOM END BY AN ORIFICED BOTTOM CLOSURE PLATE; A TUBULAR EXTENSION DEPENDING FROM SAID BOTTOM PLATE, COAXIAL WITH SAID ORIFICE IN SAID BOTTOM PLATE, FOR CONNECTION INTO THE BOTTOM OF SAID WATER CABINET, IN FLOW COMMUNICATION WITH A SOURCE OF WATER UNDER PRESSURE; AN UPWARDLY OPENING SUBSTANTIALLY CUP SHAPED MEMBER CLOSED AT ITS BOTTOM END BY AN ORIFICED PLATE POSITIONED WITHIN SAID HOUSING, SAID CUP SHAPED MEMBER FREELY LONGITUDINALLY MOVABLE BY WATER FLOW THROUGH SAID HOUSING; A VALVE ELEMENT MOVABLY LOCATED WITHIN SAID CUP SHAPED MEMBER AND FREELY LONGITUDINALLY MOVABLE RELATIVE THERETO; AN OPEN ENDED TUBULAR MEMBER EXTENDING VERTICALLY FROM WITHIN THE UPPER PORTION OF SAID CUP SHAPED MEMBER, COAXIAL WITH SAID HOUSING; AN ELONGATED SMALL DIAMETER VERTICAL ROD, LONGER THAN SAID TUBULAR MEMBER AND RECIPROCALLY LOCATED INSIDE SAID TUBULAR MEMBER, SAID ROD BEING SUPPORTED AT ITS BOTTOM END OF SAID VALVE ELEMENT; A VARIABLE WEIGHT FLOAT MEMBER HAVING A CENTRAL DIAMETRIC PASSAGE THERETHROUGH, CLOSED AT ITS UPPER END BY AN ORIFICED CLOSURE PLATE AND RECEIVING THEREIN THE UPPER END PORTION OF SAID TUBULAR MEMBER AND SAID ROD; MEANS FOR SUPPORTING SAID VALVE ELEMENT OUT OF CONTACT WITH SAID ORIFICED PLATE BOTTOM OF SAID CUP SHAPED MEMBER; AND MEANS FOR SUPPORTING SAID CUP SHAPED MEMBER OUT OF CONTACT WITH SAID ORIFICED BOTTOM CLOSURE PLATE OF SAID HOUSING.