FLAT-CUTTING WORK TOOL FOR SOIL CULTIVATION Russian patent published in 2009 - IPC A01B35/20 A01B15/04 

FIELD: agriculture.

SUBSTANCE: work tool includes blade with areas of reinforcement layer spread discretely over the external blade surface and directed at an angle against cutting edge. The other blade side carries additional reinforcement layer in similar pattern. Reinforcement layer areas at the other blade side are located in projected points of discrete gaps in reinforcement layer areas at the external blade side. Reinforcement areas are made in the form of stripes and positioned on shovel blade at ±12° angle against drag force direction.

EFFECT: enhanced operational reliability of shovel and reduced drag resistance due to the construction.

2 cl, 6 dwg, 1 tbl