CULTIVATOR TOOL Russian patent published in 1997 - IPC

FIELD: agricultural engineering; tools for cultivating middles of row crops and fallows fields. SUBSTANCE: tool has L-hoe, shield rigidly connected with tine and provided with vertical blade installed at acute angle relative to direction of movement. Shield smoothly changes into hoe with working surface arranged at angle of crumbling. Hoe has cutting edge on its front part. Additional tilted blades are made on working plane of hoe with displacement backwards relative to its main blade. Additional blades are arranged square to working plane of hoe and parallel to shield. Each additional tilted blade is formed by vertical cut of rear portion of working plane at angle to side surface of shield with subsequent deformation of this part over arc of circumference. Cutting edges of blades are pointed to shield. Additional tilted blades are arranged on working plane of hoe with equal pitch. EFFECT: enlarged operating capabilities. 2 cl, 6 dwg