Patent ID: 9717192
Date: 2017-08-01
CPC Classifications: A01G,E03C

Claim:
1. An overflow drain fitting mountable in a hydroponic flood table having a base wall with an outlet opening formed therein, comprising: a generally tubular housing mountable in the outlet opening of the flood table, said housing having an open top end, an opposite open bottom end, and a housing channel defined and extending between said top end and said bottom end; a strainer which is configured and dimensioned to be at least partially received within said housing channel via said open top end, such that a portion of said strainer projects upwardly from said top end of said housing, said strainer having a generally tubular body with an open bottom end, an opposite top end, and at least one inlet opening formed in said body, wherein said strainer is vertically adjustable within said housing channel to a predetermined height, and wherein when said strainer is received within said housing, a fluid transmission channel is established for fluid communication between and through said at least one inlet opening of said strainer, said bottom end of said strainer, and said bottom end of said housing; and friction fit means for releasably locking said strainer at said predetermined height within said housing, to permit water in the flood table which is above said predetermined height to enter said at least one inlet opening of said strainer and exit said bottom end of said strainer and, in turn, said bottom end of said housing via said fluid transmission channel, wherein said means for releasably locking said strainer comprises one of said housing and said strainer comprising at least one longitudinally extending groove formed therein; and the other of said housing and said strainer comprising at least one longitudinally extending and outwardly projecting rib formed thereon which is configured and dimensioned to be received within said at least one groove, and wherein said strainer and said housing are rotatable with respect to one another such that said at least one rib travels out of said at least one groove and is held by a friction fit, for maintaining said strainer at said predetermined height.