SHREDDER Russian patent published in 2016 - IPC B02C17/02 

FIELD: machine building.

SUBSTANCE: shredder is intended for use in agro-industrial complex, manufacture of construction materials, in chemical and other industries. The shredder contains loading (1) and unloading (2) devices, driving cylindrical drums (3, 4) and reloading devices (5, 6). On internal surfaces of drums the spiral guides in the form of profiled hollow elements are arranged. Reloading devices connect end face parts of drums. Conic chambers in the form of spiral guides are attached to end faces of drums. In the zone of the device of loading of the first drum and at the opposite end face of the second chamber they are implemented in the form of diffusers (7). Other chambers have the shape of confusers (8).

EFFECT: design simplicity and high quality of shredding.

3 dwg