Single lever faucet

Claim 1

A MIXING FAUCET COMPRISING COMBINATION, AN UPRIGHT HOLLOW VALVE HOUSING, A DELIVERY SPOUT CARRIED THEREON, SAID HOUSING INCLUDING A BASE HAVING A LOWER SUBSTANTIALLY FLAT FACE, SAID BASE BEING PROVIDED WITH SUBSTANTIALLY PARALLEL UPRIGHT BORES CONSTITUTING TWO INLET PORTS FOR FLUID AND OPENING THROUGH SAID FACE, A PAIR OF VALVES WITHIN THE HOUSING FOR CONTROLLING FEED OF FLUID THROUGH THE INLET PORTS FROM A SOURCE OF SUPPLY, A VALVE SEAT PLATE SPANNING THE INLET PORTS AND HAVING SEATS THEREIN UPON WHICH THE VALVES MAY SEAT WHEN CLOSED, THE HOUSING HAVING A MIXING CHAMBER IN COMMUNICATION WITH THE DELIVERY SPOUT, AND WHICH MIXING CHAMBER IS ISOLATED FROM THE INLET PORTS BY SAID VALVE SEAT PLATE, AN ELONGATE VALVE ACTUATING STEM SUPPORTED FOR LONGITUDINAL RECIPROCATION WITHIN THE HOUSING INCLUDING MEANS FOR EFFECTING ACTUATION OF THE VALVES, AN ELONGATE HOLLOW ESCUTCHEON HAVING A TOP WALL SUPPORTING THE VALVE HOUSING, AND SIDE AND END WALLS DEPENDING FROM THE TOP WALL, AN ELONGATE ESCUTCHEON SEAL PLATE HAVING SIDE AND END MARGINS FITTED WITHIN THE CONFINES OF THE DEPENDING SIDE AND END WALLS OF THE ESCUTCHEON, SAID SIDE AND END MARGINS BEING INCLINED UPWARDLY AND OUTWARDLY TO FORM ELONGATE CHANNELS FOR RECEIVING CAULKING MATERIAL BETWEEN THE SEAL PLATE AND THE ESCUTCHEON SIDE AND END WALLS.