PNEUMATIC SEEDING APPARATUS Russian patent published in 2012 - IPC A01C7/04 

FIELD: agriculture.

SUBSTANCE: seeding mechanism contains the bunker for seeds, a housing with a dropper of excess seeds, as well as a seed and a vacuum chambers. Between the chambers a sowing disk is mounted with an agitator. The agitator is located on a separate shaft, eccentric to the shaft of the sowing disk drive. At the same time the agitator is displaced so that in the area of seed capture its blades overlap the trajectory of movement of the suction holes of the sowing disc, and in the operating area of the dropper of excess seeds the trajectory of movement of the blade is removed from the trajectory of movement of the suction holes.

EFFECT: invention enables to improve the quality of seeding by enhancing the seeds agitation in the suction zone.

2 dwg