PLOUGHSHARE Russian patent published in 2011 - IPC A01C7/20 

FIELD: agriculture.

SUBSTANCE: ploughshare comprises a stand with a blade and a fertiliser tube mounted as protruding below the level of the cutting blade knives. The fertiliser tube that cuts soil is arranged as controlled along height depending on type of seeds, sown plants and distribution of their root system into soil depth. At the front the fertiliser tube is equipped with a reflecting-cutting knife made with a slant to the lower point of the fertiliser tube. The fertiliser tube is controlled along height, spring-loaded and equipped with limiters of knife travel up and down, made in the form of rings mounted on the fertiliser tube.

EFFECT: improved technological capabilities of soil cultivation, prevention of soil fragments ingress into a seed tube, provision of reliable operation of a ploughshare due to even sowing of seeds and supply of fertilisers into soil, and also reduced load at a fertiliser tube.

2 cl, 2 dwg