WORKING TOOL OF CULTIVATOR Russian patent published in 1997 - IPC

FIELD: agricultural engineering. SUBSTANCE: working tool has tine and side hoe with blade and shield, which are joined along circle arc. Shield has moldboard with concave working surface faced toward shield. Cutting edge is at front part of moldboard. Front part of blade is provided with projections, which deform undercut soil layer. Projections are positioned in parallel with blade rear cut. Shield, blade and moldboard are made from single sheet material and their cutting edges are positioned along continuation of straight line. EFFECT: increased efficiency, simplified construction and improved quality of cultivated soil. 6 cl, 9 dwg