ROLLER FEED FOR SOWING SMALL SEEDS Russian patent published in 2023 - IPC A01C7/12 

FIELD: agriculture.

SUBSTANCE: invention relates to the field of sowing equipment, namely to roller feeds. The roller feed for sowing small seeds contains a housing fixed to the bottom of the seed box, a valve, a coupling installed on the drive shaft in the housing, a grooved coil, a washer with a finely toothed profile for sowing small seeds and a socket. In the housing, with a grooved coil extended from it, a guide for small seeds to a washer with a fine-toothed profile is installed in the rectangular hole in the bottom of the seed box, and at the same time, the washer with a fine-toothed profile is made as one piece with an enlarged socket of the coil sowing device. The guide for small seeds is composed of the upper and lower parts made as a single piece of high-strength and wear-resistant plastic, while the upper part of the guide for small seeds is made in the form of a receiving chamber with two vertical and two inclined walls, the lower part of which forms a rectangular outlet for the passage of small seeds to a washer with a fine-toothed profile. The lower part of the small seed guide is made in the form of a casing for a washer with a fine-toothed profile, while the receiving chamber of the upper part of the guide for small seeds enters a rectangular hole in the bottom of the seed box and closes it, while resting on the bottom of the seed box with a rectangular frame made on top of the receiving chamber.

EFFECT: invention will improve the quality, reliability and uniformity of sowing seeds, reduce damage to seeds and loss of seeds, as well as reduce labour intensity when switching to sowing seeds of other crops.

1 cl, 8 dwg