OPENER FOR LOCAL FERTILISER DRESSING Russian patent published in 2008 - IPC A01C15/06 

FIELD: agriculture.

SUBSTANCE: opener for local fertilising dressing consists of the crack making tool with two plates attached thereto; the plug connected with the power transmission is installed on the axle attached to the support. The fixed and regulating disks are installed on the plug, the said disks being connected with the bottom part of the fertiliser bunker. There is also a cover covering disks' exterior surface except for the upper and lower parts. The cylinder having the radius equal to that of the disk is fixed on the exterior part of the regulating disk. Square paddles directed into disk centre are mounted on the interior side of the cylinder. The Z-shape plates are located in a circumferential direction on the fixed disk, with the square paddles, Z-shape plates and disks planes creating together the walls of rectangular cells for fertilisers. There are holes in the cylinder for supplying mineral fertilisers inside the cells. The fixed disk is connected rigidly with the plug white the regulating disk is installed on the plug and can be moved about the axis of the fixed disk for regulating the cells volume by changing position of square paddles against Z-shape plates. The opener has a regulating mechanism, with scale graduated on the control quadrant. A detent lever is fixed pivotally to the regulating disk and equipped with a bolt rigidly fixed thereto. The said bolt intermeshes with the control quadrant and indicates on the scale the amount of supplied fertiliser depending on the regulating disk slewing angle.

EFFECT: improvement of dosed supply of the fertilisers.

3 cl, 4 dwg