PLANTING UNIT Russian patent published in 2013 - IPC A01C7/16 

FIELD: agriculture.

SUBSTANCE: planting unit for accurate planting comprises a housing made of round section of metal or hard plastic. From above of the housing a loading hopper is mounted with a lid and with a seed meter in its lower part. Inside the housing the working element is mounted made in the form of a spiral screw with the ability to rotate around its axis, which distributes the seed material into a single layer, attached on one side to a drive circular disk by bolt connection, pressing one turn of the spiral screw. Inside the working element a round tube made of metal or hard plastic is fixedly mounted. The working element is mounted with a pitch suitable for the size of the seeds, and with a gap between the inner surface of the housing, the spiral turns and the inner tube, not exceeding the minimum dimensions of the seeds. From the lower side of the housing the exit window is made, which is attached to a flexible tube for direct delivery of seeds in the soil.

EFFECT: use of the invention enables to improve the accurate planting of seeds with a predetermined pitch, and to avoid snubbing of the working element during rotation and seed pinching between the inner surface of the housing, the turns of the working element and the inner tube.

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