APPARATUS FOR INTENSIFIED SEPARATION OF GRAIN FROM COARSE HEAP Russian patent published in 1996 - IPC

FIELD: agricultural engineering. SUBSTANCE: apparatus has fingers with cutting edges extending along arc of circle. Fingers are pivotally attached within rotating housing through suspensions rigidly fixed on fingers. Suspensions are provided with slots embracing connecting rod neck of fixed crankshaft. Crankshaft necks coincide with housing axis of rotation. Center of arc of circle of finger working edge coincide with finger pivot joint fastening pin. Working edges of finger concave surfaces are oriented in the direction of movement of housing. EFFECT: increased efficiency and intensified separation of grain. 3 cl, 4 dwg