PNEUMATIC SEEDING APPARATUS FOR BED SOWING Russian patent published in 2016 - IPC A01C7/04 

FIELD: agriculture; machine building.

SUBSTANCE: pneumatic seeding apparatus for bed sowing consists of seed bin, vertically positioned on axis of seeding plate with through conical cells, and air nozzle. Sowing disk has three rows of conical cells and is equipped with imitating its inner surface bow-shaped gate in area of air nozzle. Gate is installed on side cover of sowing apparatus with possibility of longitudinal movement relative to disk axis and fixation in preset position. Under sowing disk skid-shaped ploughshare is located with width equal to that of sowing disc. Ploughshare is equipped with funnel arranged under sowing disk in area of seeds exit. Length of funnel is equal to width of sowing disk, width is to its half, and size of lower part of funnel is at least not less than three maximum sizes of sown seed.

EFFECT: invention allows reducing metal consumption due to usage of one disc for sowing different number of seeds into seat.

1 cl, 3 dwg