COMBINED TILLAGE TOOL Russian patent published in 2004 - IPC

FIELD: agricultural engineering, in particular, equipment for performing several operations for one pass. SUBSTANCE: tillage tool has frame with hitch, carrier wheels, adjustment mechanisms and working members. Disk batteries, flat hoes, drum and roll are arranged in succession on frame. Drum blades are arranged radially on rings and disks and are equipped with stepped edge for performing grinding and leveling procedures. Roll teeth mounted on bars are adapted for mellowing of soil layer through the entire depth. Teeth are arranged at right angle to one another on bars for mellowing of soil without disintegration thereof. Outer disk batteries are offset from middle disk batteries by distance of Δl, said distance being equal to diameter of disk. EFFECT: improved quality of soil tillage for one pass of tillage unit, provision for protection of soil from wind erosion and increased moisture holding capacity of plowed layer. 7 dwg