ROTARY TILLAGE TOOL Russian patent published in 2000 - IPC

FIELD: agricultural engineering. SUBSTANCE: rotary tillage tool has frame carrying row of main disks and two rows of auxiliary disks connected by chain transmission. Improved crumbling of soil upper layer and retaining of plant remains on soil surface are provided by correct selection of speeds of disks, which is gained by mounting sprockets with different number of teeth and by changing position of teeth of auxiliary disks. Transmission mechanisms are equipped with overload relay. Such tool is mainly used for surface soil cultivation so that plant remains stay on its surface. EFFECT: increased efficiency, improved quality of soil surface cultivation and enhanced reliability in operation. 1 dwg