TILLAGE UNIT Russian patent published in 1997 - IPC

FIELD: agricultural engineering, in particular, surface tillage tools. SUBSTANCE: soil tillage unit has tractor, sectioned leveler and ripping tools positioned in series. Section 3-7 of leveler may be moved to transport position for movement along roads, with sections 3-7 being arranged in plane transverse to the direction of movement. Each section of leveler is defined by pairs of bent C-shaped profiles conjugated by rods positioned between vertical strips. Removable undercutting knives are fixed on lower front profile horizontal strip. Ripping tools 2 are mounted on lower strip of rear profile in equally spaced relation. Sections 3-7 are provided with cross bars and hydraulic drive. EFFECT: increased efficiency and improved quality of soil. 14 cl, 26 dwg