Gated drawer filter

Claim 1

A drawer filter comprising in combination a housing means having housing sides and a structure defining a top flange means including a top flange opening and a bottom flange means including a bottom flange opening in communication with the top flange opening; a magnetic filtering means slidably lodged within said housing means between said top flange opening and said bottom flange opening such that said top flange opening and said bottom flange opening and said magnetic filtering means are in a general aligned relationship with respect to each other in order to filter magnetically any particulate matter or the like, passing through said top flange opening and said bottom flange opening, said magnetic filtering means comprises a unitary front plate means, a unitary back plate means, and a plurality of magnetic cylinder means interconnecting said unitary front plate means with said unitary back plate means, said plurality of magnetic cylinder means includes at least one magnetic row of cylinder means and said unitary front plate means and said unitary back plate means generally define part of said housing sides when said magnetic filtering means is disposed within said housing means; a gate valve means slidably disposed within said housing means between said top flange opening and said magnetic filtering means in order to control the flow of particulate matter through and between said top flange opening and said bottom flange opening, said gate valve means comprises a valve plate means having a generally horizontal planar surface including a first pair of generally parallel sides and a second pair of generally parallel sides; and at least one rod means secured to said valve plate means and slidably disposed through said housing means and adapted to move said valve plate means.