WORKING TOOL Russian patent published in 1998 - IPC

FIELD: agricultural production. SUBSTANCE: working tool has ripping, deformable, separating parts 2 made in the form of set of conical springs with sharpened front end of coil adapted for penetration into soil. Working tool is further provided with eccentric casing 4. Ripping and separating parts 2 are formed as helical spirals. Separating part 2 is attached to one base of casing 4 and may be deformed along arced path. According to other version, working tool may be provided with eccentric casing 4. Ripping and separating parts 2 are formed as helical spirals. At least one additional spiral 7 is disposed within main spiral 6 in axial alignment with it. Spirals 6 and 7 are connected at junction zone. Separating part 2 is fastened on one base of casing 4 and may be deformed along arced path. EFFECT: increased efficiency and improved quality of soil. 4 cl, 8 dwg