Patent ID: 7122117

Claim:
A drain suitable for draining liquid from a deck, the drain comprising: a top part having axially opposed ends, a grating disposed at a first end of said top part and having an edge receiving liquid into the drain, a trap disposed at a second end of said top part catching debris entrained in the liquid, a plurality of circumferentially spaced locking tabs about said edge of said grating, a bottom part enclosing an annular chamber receiving said top part therein, a plurality of tab receivers formed within said top part engaged with said locking tabs to lock said top part within said annular chamber of said bottom part, a drainpipe affixed to said bottom part through which liquid is drained from said annular chamber and out of said drain, a valve disposed within said top part to close said drainpipe and prevent liquid from flowing in or out of said drain, and a liquid seal formed between a baffle of the top part and the drain pipe of the bottom part that prevents the venting of waste gases.