(under subclass 79) Subject matter including an assembly of parallel bars, cross bars or similar elements which moves to-and-fro with a quick abrupt motion in separating grain from the straw.
SEE OR SEARCH CLASS
209, Classifying, Separating, and Assorting Solids,
325, 326, 329, and 674 for reciprocating sifters having movement both horizontally and vertically; subclass 921 for reciprocating or oscillating feed conveyor.
