GRINDING DEVICE Russian patent published in 1997 - IPC

FIELD: food, building and other industries. SUBSTANCE: grinding device has cylindrical shell with systems for feeding initial material and for discharging ground product, working member adopted for reciprocating motion and drive. The shell has conical chamber with its large base down. The working member made in the form of tore is disposed on the shell side surface having through holes. The drive has common drive shaft with drums secured thereon. Wound round the drums in one direction are belts, the ends of which are passed from up down to envelop the tore and are fastened to the chamber. Mounted inside the chamber is cone partition with its vertex turned up. The base of the partition is positioned between the upper and lower through holes of the chamber. The upper space of the chamber communicates with the initial material feed system, and its lower space with the ground product discharge system. EFFECT: enhanced efficiency. 1 dwg