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 cylinder (7) installed coaxially inside hollow tube (1). Width of holes (2) is less than diameter of helical screws (3). Pitch of turns of spiral screw (3) is less than or equal to agrotechnical given maximum size of soil lumps. Disks (5) are installed from the ends of hollow smooth tube (1). And ends of hollow cylinder (7) are in contact with inner surface of disks (5).

EFFECT: higher quality of soil rolling.

1 cl, 3 dwg