COMBINED TILLAGE TOOL Russian patent published in 2008 - IPC A01B49/02 

FIELD: agricultural engineering.

SUBSTANCE: combined tillage tool has hitch, frame with successively arranged batteries, flat hoes, and rollers. Forward of flat hoes there are two rows of batteries of crescent type working tools connected to holders which are positioned at the left and right sides of cylinder placed on bearing device and connected through spring-loaded tine to working tool frame. Crescent type knives have section formed as parallelogram, said section reducing to zero from base to tip part. Rearward of hoes there are two rows of compacting-mellowing rollers, with diameter of rollers of first row exceeding diameter of rollers of second row. First row rollers are equipped with bars of rhombic section, said bars being arranged along helical line. Second row rollers are equipped with blades of rectangular section, said blades being positioned at an angle to axis.

EFFECT: increased efficiency and provision for retaining of ecological equilibrium in zones of cultivation of farm crops.

4 dwg