Patent ID: 8621683

Claim:
A drainage trap assembly for maintaining a water seal, the drainage trap assembly comprising: a trap having first and second end portions and a trap portion between the first and second end portions, the trap being operable to retain a pool of water in the trap portion; a plumbing fixture connector operable to be connected to a discharge of a plumbing fixture; a Y-fitting having first and second joint portions and an outlet portion, the outlet portion operable to be connected to the first end portion of the trap, the first joint portion, the second joint portion, and the outlet portion of the Y-fitting defining first, second, and third longitudinal axes respectively, the first and third longitudinal axes defining a first plane, and the second and third longitudinal axes defining a second plane different from the first plane; a flexible hose connecting the plumbing fixture connector and the Y-fitting, wherein a first end of the flexible hose is coupled to the plumbing fixture connector, and a second end of the flexible hose is coupled to the first joint portion of the Y-fitting, further wherein the inner surface of the flexible hose is substantially smooth; and a discharge joint coupled to the second end portion of the trap, the discharge joint being operable to be connected to a drainage pipe output, wherein the first joint portion of the Y-fitting comprises at least one sealing member extending radially and outwardly from the outer surface of the first joint portion, and further wherein the second end of the flexible hose is mounted on the first joint portion of the Y-fitting, such that the at least one sealing member is in contact with the smooth inner surface of the flexible hose to provide a substantially water-proof seal with a friction fit.