GRINDER Russian patent published in 1995 - IPC

FIELD: mining. SUBSTANCE: grinder has drive, housing, and grinding members. The housing is constructed as top 1 and bottom 2 coupling rings provided with pins 3 and 4 which are arranged on the inner side of the ring. Step stands 5 are radially secured to the rings. Stop and bearing rollers are mounted inside each step. The grinding members are made up as rings 8. The rings are arranged in the steps of the stands. The inner sides of the rings are provided with pins 9. The outer sides are in contact with the drive through a friction transmission. The inner sides are eccentric. EFFECT: enhanced efficiency. 6 dwg