SOWING APPARATUS OF SOWING MACHINE Russian patent published in 2011 - IPC A01C7/16 

FIELD: agriculture.

SUBSTANCE: apparatus comprises a hopper fixed on a frame. At the bottom of the hopper there is a sowing device with tips of seed tubes suspended at flexible suspensions. The sowing device comprises a drive for its oscillations and is made as rectangular. At the end and side walls of the body of the sowing device there are accordingly guide plates and pads arranged diametrically oppositely and along their vertical axial lines. Along the guide pads there is a row of grooves of conical shape. Inside the body of the sowing device above its bottom and parallel to it there is a solid partition installed. In the partition for guide plates and pads there are cuts made. Symmetrically to cuts for guide pads, there are four holes drilled in the partition for fixation of fixing devices. Besides, in the partition there are two holes, which are arranged along the large axial line at the identical distance from the small axial line. In the specified holes there are tips fixed in the form of tubes. Corrugated rubber hoses are put onto tubes. The second ends of hoses are attached to other tips, which are attached to walls of the lower neck of the hopper, having windows.

EFFECT: apparatus is universal and makes it possible to provide high quality of seeds sowing due to control of their level in an oscillating sowing device and selection of its optimal value with account of these seeds' features, while preserving stability of the level for the whole time of the sowing machine operation.

5 dwg