TILLAGE ROLLER Russian patent published in 2021 - IPC A01B29/04 

FIELD: agriculture.

SUBSTANCE: invention relates to the agriculture. Soil roller is made of hollow smooth tube (1), along periphery of smooth surface and along its length in lengthwise direction through equal intervals there are openings (2) of rectangular shape. In holes (2) on inner side of hollow smooth tube (1) in parallel to axis of its rotation there installed are spiral screws (3) resting on hollow perforated cylinder (7) installed on coaxially inside hollow tube (1). Width of holes (2) in hollow smooth pipe (1) is less than diameter of spiral screws (3). Diameters of holes of hollow perforated cylinder (7) and spiral turns (3) pitch are less or equal to agrotechnical given maximum size of soil lumps. Disks (5) are installed from the ends of hollow smooth tube (1). Ends of hollow perforated cylinder (7) are in contact with inner surface of discs (5).

EFFECT: higher quality of soil rolling.

1 cl, 3 dwg