Patent ID: 7909275

Claim:
A self-contained shredder assembly for reducing and sizing material without the need for an auger or a conveyor to move material between cut and sizing operations comprising: a support; a tapered cutting drum that is impervious to reduced material passing to the interior of the cutting drum, the tapered cutting drum rotatably mounted about the support and having at least one cutting implement; the cutting drum including at least one channel or pocket adjacent to the cutting implement to receive reduced material there from, the at least one channel or pocket being open at the surface of the drum and having a basin that is impervious to reduced material passing to the interior of the cutting drum; a drive connected to the tapered cutting drum; a sizing chamber disposed adjacent to the tapered cutting drum and in material flow communication with the at least one channel or pocket; at least one impeller joined with the tapered cutting drum; at least one sizing screen disposed down stream from and surrounding the at least one impeller, the at least one impeller and the at least one sizing screen each residing at least partially within the sizing chamber.