DEVICE FOR SOWING SEEDS Russian patent published in 2017 - IPC A01C7/04 

FIELD: agriculture.

SUBSTANCE: device for sowing seeds consists of a seed hopper, a vertically arranged sowing disc 3 with through tapered cells, an air nozzle, a seed ejector. The lower part of the tapered cell of the sowing disc is equipped with a threaded bushing with openings from 1 to 3, or without them. The lateral cell surface is placed at an angle of 50…55° to the disc axis and is made with four through openings located at 2/3 of its depth. Wherein the ratio of the opening diameter to the smaller and the larger cell diameters is determined by the condition 3:4:7.

EFFECT: simultaneous uniform sowing of a seed mixture of different sizes while simplifying its design.

5 dwg