VIBRATING SCREEN GRINDER Russian patent published in 1994 - IPC

FIELD: screening and grinding of mineral raw materials. SUBSTANCE: screen grinder comprises housing, bar screen mounted on shock absorbers, and inertia stimulator. Unbalanced weights of the latter are disposed between grate bars and protrude above them. The bar screen has a pan attached to it. The latter may be perforated and the gap between pan and unbalanced weights is at least twice wider than the slot between the bars. EFFECT: improved design. 2 cl, 4 dwg