Patent ID: 8783593
Filing Date: 2014-07-22
Classification: B02C,B27L

Abstract:
1. A material reduction machine comprising: (a) a frame; (b) a drum housing mounted to the frame; (c) a drum that is mounted for rotation within the drum housing, said drum comprising: (d) means for rotating the drum within the drum housing; (e) a feed chute for directing material to be reduced into the drum housing; (f) a discharge chute for directing reduced material away from the drum housing; (g) a plurality of interchangeable belly bands, each of which is adapted, to be removably attached to the frame so as to form a portion of the drum housing and to provide an inner surface that forms a belly band arc portion that is concentric with and of a larger diameter than the circumferential wall of the drum, said belly band arc portion being adjacent to a portion of the arc cut by the leading edge of the knife, wherein the plurality of interchangeable belly bands comprises: