SCREW GRINDER Russian patent published in 1995 - IPC

FIELD: devices for grinding materials. SUBSTANCE: screw grinder has bad, eccentric shaft connected with a drive, spacing plate, and working chamber defined by webs. One of the webs oscillates in the direction perpendicular to the axis of its suspension. The other web is movably mounted in the direction of oscillation of the first web. At the top part the web is mounted in the cylindrical pivot. The outer side of the web bears on rollers arranged in the zone of applying grinding forces. The bottom part of the web is kinematically coupled with the drive. Finning of the second web can be made at an inclination to the vertical line. EFFECT: enhanced efficiency. 3 cl, 2 dwg