Patent ID: 7108210

Claim:
A comminution machine for comminuting soft to medium hard comminution material, the comminution machine comprising: a machine housing; a feed channel and a removal channel connected to the machine housing; a closed working cylinder, having comminution holes and comprised of material with inherent stiffness, arranged in the machine housing; a shaft coaxially arranged to the working cylinder, tools mounted on the shaft and rotating relative to the working cylinder; wherein the tools have vanes revolving at a spacing of at most a diameter of the comminution holes practically contactless relative to the working cylinder; wherein the vanes have outer edges slanted counter to a relative rotational direction between the working cylinder and the tools; wherein an orientation of the shaft and an axial orientation of the working cylinder deviate from a vertical line; wherein the working cylinder has a first end face opening connected to the feed channel; wherein the working cylinder has a lower cylinder half connected to the removal channel; wherein the working cylinder has a second end face opening closed by a freely accessible lid, wherein the diameter of the second end face opening is at least as large as the greatest diameter of the working cylinder; wherein the shaft extends from the feed channel to the lid at most to an inner wall of the lid but does not penetrate the lid; wherein the working cylinder has a first end and a second end, wherein the first end of the working cylinder is centered in the machine housing in the area of an inlet opening of the feed channel and wherein the second end of the working cylinder is centered in the lid, wherein the lid axially secures the working cylinder; wherein the working cylinder is immobile during comminution and configured to be fixed in several rotational positions.