WORKING TOOL FOR DIGGING OUT SUGAR BEET ROOTS Russian patent published in 2001 - IPC

FIELD: agricultural engineering. SUBSTANCE: working tool has squeezing out fork made in the form of conical tips rotating in opposite directions and equipped with root grips arranged on their cylindrical parts. Root grips are arranged at an angle to longitudinal-vertical plane of symmetry of working tool. Working tool is further provided with adjustable ripper. Ripper working surface is formed as convex brachistochrome. EFFECT: increased efficiency by reduced frictional force between soil and roots and, consequently, improved lifting and extraction of roots from soil. 3 dwg