FIELD: agriculture.
SUBSTANCE: device for chicken feather grading includes chamber with chicken feather loading port holding loosening shaft, two chambers with agitators for feather separation into fractions, equipped with unloading chutes, vertical labyrinth formed by ascending and descending chamber channels with mobile partitions for air flow rate adjustment. Second chamber of graded feather transportation to unloading chute includes belt conveyor with guide rake and indented modifying roller forming depressions at concave surface of feather stem to create additional flexion.
EFFECT: enhanced filling capacity of chicken feather, allowing for application in garment packages of medium price range.
2 cl, 1 dwg
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