IMPROVED DISPENSER FOR PRECISION AUTOMATIC SEEDER Russian patent published in 2019 - IPC A01C7/04 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to single-seed sowing device (10) for precision automatic seeder. Sowing apparatus comprises cover (11) for seeds to be distributed, connected to housing, having cavity, communicating with seed suction device through channel (22), inserted into hole made in said housing, selecting device and distribution disc with holes. Said distributing disc is located in chamber confined by said case and said cover (11). Drive disc is connected with distribution disc by pins. Both discs are driven by a shaft driven by an actuator to control the rotation of the discs. Seeds sampling device is made with possibility of rotation on the body edge. At the same time the sampling device includes a plate, which on one of its sides facing the center of the distributing disc, contains at least two tooth sections having teeth of different sizes. Curvilinear sector equipped with projections having an inclined surface facing the distribution disc at its orifices is installed opposite the surface of the distribution disk opposite to the plate.

EFFECT: invention makes it possible to eliminate non-uniformity in distribution of seeds and necessity to terminate machine operation for cleaning of device during performance of sowing operations.

7 cl, 6 dwg