The apparatus is used in the testing stations for sort testing and in individual farms for production purposes. It reduces energy consumption, while the shelled and detached grain is minimally damaged and enhanced frequency. The shelling apparatus consists of a disc (1) and countersections (6), on the working planes of which are welded bent projections (2 and 7). These projections (2,7) on the disc (1) are slanted to the direction of spinning, while on the countersecions (6) - in the opposite direction. The counter-sections (6) may be revolved around the radial axis of symmetry and be transposed laterally, contracting the pressing springs (4). Between two neighbouring countersections a rim is welded (5). The positioning of the countersections (6) may be unilateral and bilateral compared to the disc (1).
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