UNIVERSAL COULTER SEEDER UNIT Russian patent published in 2018 - IPC A01C7/20 

FIELD: agriculture.

SUBSTANCE: universal coulter seeder unit including a disc knife in the form of a flat ring with a cutting edge on the outer diameter, equipped with a furrow-forming device in the form of hollow truncated cones in horizontally-opposed arrangement of their large bases, conjugated with flanges in the form of hollow cylinders, a seed tube. Said universal coulter unit is mounted on the seeder frame by means of leashes having a flange for adjusting the position of the universal coulter unit relative to the soil surface, and a mound is fixed to the flange, the former having a disk knife with a furrow-forming device, coupled with flanges. Wherein the disk knife, furrow-forming device and flanges are mounted on the height-adjustable racks covering the flanges, a compression spring is mounted on the ridge in the rack placement area, designed to penetrate the disk knife with furrow-forming devices, the sidewalls of the racks have cleaners to remove from the furrow-forming device and flange any adhering soil, a circular wedge is attached to the ridge behind the disc knife, which has a slanting cut in the rear, behind the seed tube with the help of a height-adjustable rack rolling packs are mounted at an angle to the vertical plane in the collapse, rollers are mounted on the crankshaft using slide bearings.

EFFECT: invention makes it possible to form grooves for seeds with a given shaped profile and with sealing walls, accurately place seeds along the row axis to reduce the protective zone during inter-row processing and the laboriousness of care for crops.

1 cl, 3 dwg