CULTIVATOR WORKING TOOL Russian patent published in 1998 - IPC

FIELD: agricultural engineering. SUBSTANCE: working tool has tine and hoe with cutting edges. Hoe is secured on tine so that it may be repositioned for changing width or for replacement of blades with unused cutting edge. Hoe is made in the form of isosceles triangle with wide base and cutting edges extending along its perimeter. Tine is made hollow. Top part of hollow tine is made such that cultivator carrier with rectangular opening may be mounted in holder. Supporting sleeve is positioned centrally of hoe and adapted for absorbing loading during operation of hoe. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 6 cl, 7 dwg