FIELD: agriculture; machine building.
SUBSTANCE: invention relates to pneumatic feeds that can be used in seed drills, mainly for single-grain seeding with combined and single-grain sowing. Universal metering device consists of a seed tank divided by a partition, a seeding plate, an air nozzle and an opener. Seeding plate is made in the form of a disk with through holes and mounting bolts and two rings rigidly fixed on it with the possibility of dismantling. Conical cells that are open on one side are made on an end surface of the rings. Depth of the cells is not less than the width of the rings.
EFFECT: metering device has a simplified design.
1 cl, 11 dwg
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