CONICAL INERTIA GRINDER Russian patent published in 1995 - IPC

FIELD: grinding materials. SUBSTANCE: grinder has bed 1 with chute 5 for products to be ground, outer cone 2, and inner cone 3 mounted inside the outer cone by way of ball bearing 8 mounted on cantilever 6 of shaft 7 for permitting axial and radial movement by a drive. Bushings 18 with unbalance 20 is mounted on cantilever 6 of shaft 7. The grinder has shock-absorbers of radial and axial vibration of the inner cone, the later being made up as a spring. The grinder also has additional bushing 21 mounted on cantilever 6 of shaft 7 for permitting axial movement. Belt drive 13 kinematically coupled with the drive is positioned at the free end of shaft 7. Spring 22 is interposed between the main and additional bushings. EFFECT: enhanced efficiency. 4 dwg