Drain connector

Claim 1

IN A WASTE OUTLET FITTING ADAPTED TO BE SECURED WITHIN A DRAIN APERTURE OF A SINK AND COMPRISING A TUBULAR CUPSHAPED DRAIN HOUSING HAVING A REDUCED LOWER END INCLUDING AN ANNULAR RADIALLY INWARDLY EXTENDING FLANGE DEFINING A SEAT, A GASKET ON SAID SEAT, A TUBULAR TAIL PIECE COMPRISED OF THIN METAL OF SUBSTANTIALLY UNIFORM CROSS-SECTION AND HAVING AN UPPER END INCLUDING AN ANNULAR RADIALLY OUTWARDLY EXTENDING TAIL PIECE FLANGE MOUNTED ON SAID GASKET, A C-SHAPED TAIL PIECE CLAMP HAVING MEANS SECURING ITS OPPOSITE ENDS FOR RIGIDLY ATTACHING THE CLAMP TO THE EXTERIOR OF SAID TAIL PIECE BELOW THE SEAT, AND A SERIES OF SCREWS THREADABLY SECURED TO SAID CLAMP AND HAVING UPPER ENDS FOR ENGAGEMENT WITH AN AREA AT AN UNDERSIDE OF A SINK TO DRAW SAID TAIL PIECE FLANGE DOWNWARDLY AND SNUGLY AGAINST SAID GASKET AND SAID SEAT TO SECURE THE TAIL PIECE IN WATERTIGHT ASSEMBLY WITH SAID TUBULAR CUP-SHAPED DRAIN HOUSING.