CRUSHER Russian patent published in 2015 - IPC B02C17/02 

FIELD: machine building.

SUBSTANCE: crusher contains loading (1) and unloading (2) devices, drive inclined drum (5), and reloading device. On the drum internal surface the spiral guides (6) are installed in form of profiled hollow elements. In spiral elements the holes are made to unload the ground material. Under the drum the inclined tray (8) is located. The reloading device contains a funnel (9) with inclined branch pipe (10). The inclined branch pipe is connected with the loading device of the drum and has vibrator (12).

EFFECT: invention has simple design and ensures high efficiency of grinding.

2 dwg