DISK-TYPE TILLAGE TOOL Russian patent published in 2007 - IPC A01B21/08 

FIELD: agricultural engineering, in particular, surface tillage technique.

SUBSTANCE: disk-type tillage tool has frame with transverse bars fixed in several rows on frame. Vertical poles with pins at ends are mounted on bars, and spherical disks are positioned for rotation on said ends. Spherical disks have certain angle of attack, are inclined to vertical plane and are positioned in rows at front side through the entire width of tool. Each subsequent disk of each row is offset in cross-wise direction relative to previous disk toward soil strip between disks, untilled by first row of disks. Disks are arranged in rows so that convexity or concavity thereof is directed to longitudinal axis of symmetry of tillage tool so that number of disks in each row of one direction at one side of axis of symmetry is equal to number of disks of opposite direction at other side of axis of symmetry. Flat hoe is positioned between disks of first row of disks, along the line of its longitudinal axis of symmetry, with width of flat hoe being equal to spacing of middle disks of terminating row of disks.

EFFECT: improved quality of soil tillage and increased efficiency owing to elimination of force unbalance and provision for linear movement of tillage tool.

3 dwg