DEVICE FOR SUBSURFACE TILLAGE Russian patent published in 2013 - IPC A01B35/00 

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agricultural machinery industry, in particular to a device for overall subsurface tillage. The device for subsurface tillage comprises a welded two-beam frame equipped with hinge system and supporting elements. On the frame at an obtuse angle to the direction of movement the working bodies are mounted rotatably, arranged in a checkerboard pattern with an overlap and containing racks, disc sharpened knives with arc-shaped blades, and agitators. The blades are directed tangentially towards the rack and fixed on the knives at distances providing free access of the undercut soil layer between it and each blade. The agitators are placed on the knife in each passage in the middle.

EFFECT: invention provides a simplified design, improved tillage, reduced energy consumption.

3 cl, 5 dwg