COMBINED TILLAGE TOOL Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, presowing soil treatment. SUBSTANCE: combined tillage tool has batteries of spherical cutout disks with blades. Batteries are mounted on frame by means of flexible adjustable-height tines. Flat hoes secured rearward of batteries are equipped with adjustable protective vibrator. Single-track or double-track sections of crumbler are positioned at rear part of tillage tool at an angle to advancement direction. Crumbler disks of right-angled section are provided with teeth bent away from disk rotation plane and rearward in the direction of rotation. Sections of leveler bar following crumbler are pivotally secured to frame of tillage tool and provided with teeth bent in horizontal plane and inclined in longitudinal-vertical plane. Leveler bar is followed with sections of string-type rotors which are pivotally attached to tillage tool and equipped with device activating their weight by measured transmission of part of tillage tool weight. Rotor strings are secured in slots of disks having different sizes with angular misalignment relative to rotor radius. EFFECT: improved quality of soil for one pass of tillage tool, reduced metal usage and decreased power consumption. 7 cl, 13 dwg