COMBINED TILLAGE TOOL Russian patent published in 2005 - IPC

FIELD: agricultural engineering, in particular, presowing tillage of soil.

SUBSTANCE: combined tillage tool has frame with supporting wheels, flat hoes, battery of needle-type disks, and star-wheeled rollers. Frame of tillage tool is made in the form of three pivotally connected longitudinal sections. Two front sections are equipped with supporting wheels mounted in middle part of said section, and independent mechanisms for adjustment of wheels in vertical plane. Flat hoes are arranged in three rows at front section and batteries of needle-type disks are arranged in two rows and fixed on middle section. Star-wheeled rollers are mounted in two tracks on rear section. Frame middle section is provided with transverse bar pivotally fixed at rear end of longitudinal beams of frame. Roller frame is connected with its middle part with transverse bar by means of two spring-loaded stems which are biased in vertical plane. Second battery of needle-type disks is equipped with drive formed as accelerating chain transmission from front star-wheeled roller with transmission ratio of 0.35-0.5 which is varied by means of replaceable sprockets.

EFFECT: improved quality of soil tillage for sowing of winter crops after fallow-grown crops.

3 cl, 3 dwg