Importance

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Abstract

The versatility of a grain husking and polishing machine to treat grains of different types is improved by providing a grain treatment chamber constituted by an abrasive rotor mounted on a fixed axis and a screen assembly surrounding said rotor and mounted on a movable annular plate actuated by a sidewardly movable mechanism capable of changing the eccentrically of said screen assembly with respect to said rotor. A more efficient combined husking and polishing action is accomplished by providing a rotor comprising a plurality of cam-like abrasive discs spaced apart by a corresponding plurality of spacer rings having a diameter smaller than that of the discs so as to form grain expansion chambers therebetween, whereby an energetic husking action followed by a moderate abrading polishing action are effected along the treatment chamber.

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First Claim