SHARE Russian patent published in 2007 - IPC A01C7/20 

FIELD: agricultural engineering, in particular, sowing technique.

SUBSTANCE: share has tine with wedge-shaped front surface, tubular seed and fertilizer duct and A-hoe, and vertical disk-type working tool fixed in front of tine by means of fork. Disk-type working tool has two identical disk knives, each having circumferential cutting edge, and cantilevered knives with cutting edge extending perpendicular to disk cutting edge. Cutting edges are oriented toward one another. Circumferential cutting edge of each disk knife and cantilevered knives attached to disk and having cutting edges perpendicular to main cutting edge of disk knife are joined to knife hub through spokes. Height of transverse knife fixed in cantilevered manner to disk makes 1/40 the diameter of disk. For enhanced cutting of stubble remains or weeds, share is provided with hydraulic cylinder fixed with its one end to drill frame. Share has screw provided on seed and fertilizer duct and adapted for adjusting arrangement of hoe and disk relative to one another. Pipe set within seed and fertilizer duct is designed for introducing of biological solution in the form of microorganisms concentrate.

EFFECT: increased efficiency in sowing due to elimination of clogging of share with plant remains.

6 cl, 4 dwg