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

FIELD: agriculture.

SUBSTANCE: air operated seeder unit for bed sowing consists of seed bin, vertically positioned on axis of seeding plate with through conical cells, air nozzle, seeds ejector and ploughshare. On side cover of sowing device there is arc-shaped nozzle, copies sowing disk inner surface in loading zone of cells and air nozzle action with possibility for suction of seeds to bottom of three conical cells simultaneously. Sowing disk is equipped with replaceable bushings on thread with cone cells. At that, one of bushing with cells are made with through holes at bottom with number from 1 to 3, and other are in form of plugs. Width of seeds ejector is equal to at least two diameters of holes of cells of sowing disk.

EFFECT: invention will allow enlarging operating capabilities at reduction of metal consumption of its design.

1 cl, 5 dwg