COMBINED SOIL-CULTIVATING MACHINE Russian patent published in 1994 - IPC

FIELD: agricultural engineering. SUBSTANCE: device comprises frame-mounted horizontal working tool in the form of disc rotatillers and rows of staggered ripping tools in the form of sweeps and chisels with cultivator points positioned after horizontal working tool, and additional rotary tools with vertical axes of rotation the distance between which across the direction of machine travel is equal to their covering width. Chisels are provided with pairs of free-rotating rollers installed in their tines. All working tools of machine are mounted on its frame so that the distance from lower edges of sweep points to rotation axis of horizontal working tool is larger than the radius of its disc rotatillers, lower edges of teeth of rotary tools with vertical axes of rotation are disposed above flat lower edges of disc rotatillers and at least one pair of rollers of each chisel is disposed below the lower edges of sweep points. EFFECT: improved design. 9 dwg