Patent ID: 7802739

Claim:
A manually operable device for use in a household drain inlet receptacle for helping to maintain free flow of liquid through a drain conduit connected with the receptacle, comprising: (a) a stationary main body; (b) a strainer portion located at least partially within the stationary main body in position to receive a flow of liquid and to catch relatively large pieces of solid waste material and temporarily hold said relatively large pieces; (c) a manually movable size reduction assembly extending within the stationary main body and reciprocally movable with respect to the stationary main body, between an upper position and a lower position; and (d) a spring urging the movable size reduction assembly toward the upper position thereof; and (e) wherein the manually movable size reduction assembly engages at least some of said relatively large pieces of waste material and acts cooperatively with the stationary main body, to reduce at least some of said engaged pieces of waste material to a smaller size while said movable size reduction assembly is being moved between said upper and lower positions thereof.