Patent ID: 6575389
Filing Date: 2003-06-10
Classification: B02C

Abstract:
An apparatus for destroying articles comprising:a chamber having at least one side wall, a bottom surface, an input opening adapted to receive the articles to be destroyed and a feed opening; an article destroyer rotatably mounted adjacent the feed opening of the chamber; a ram operatively mounted adjacent the bottom surface of the chamber and being movable in a first direction, the ram adapted to push the articles into the article destroyer, the ram having an upper surface located immediately below the rear wall of the chamber; a first plate disposed in the chamber to form the bottom surface of the chamber, the plate having a plurality of grooves extending in the first direction; a first wiper mounted on the ram, the first wiper having a plurality of teeth disposed in the plurality of grooves in the plate, the plurality of teeth being disposed in the plurality of grooves to prevent an article from sliding beneath the ram as it pushes articles into the article destroyer; a second plate mounted on the upper surface of the ram, the second plate having a plurality of second grooves extending in the first direction; and a second wiper mounted on the one side wall, the second wiper having a plurality of second teeth, each of the second teeth being disposed in one of the second grooves, the plurality of second teeth being movable along respective second grooves by movement of the ram in the first direction, the plurality of second teeth being disposed in the second grooves to prevent an article from sliding between the one wall and the upper surface of the ram as it pushes articles into the article destroyer.