ROLLER TYPE SCREEN Russian patent published in 1998 - IPC

FIELD: equipment for preparing raw materials in ferrous and non-ferrous metallurgy, namely roller type screens for separating raw iron ore, copper-nickel and other substandard pellets before firing them and simultaneously transporting them. SUBSTANCE: roller type screen includes frame, rollers mounted in bearings on frame and joined with their drives. Each drive has two output shafts provided with gear wheels engaged with common drive pinion and arranged in their own casings jointly suspended to common axis coaxial relative to drive pinion and kinematically connected one with another with possibility of changing angle of mutual turning of casings. EFFECT: possibility of controlling gap between rollers in screen with pair drive. 3 dwg