SOD LAYER DRILL Russian patent published in 2010 - IPC A01C7/00 

FIELD: agriculture.

SUBSTANCE: drill contains a frame with a support-driven and elevating wheels. A milling section with tillage knives and a mechanism of regulation of depth of processing, seed boxes with axles, sowing instruments and their drive, drill tubes, packing wheels and seed deflectors are mounted on the frame. Milling section is covered with a casing. The drive shafts of sowing machines are activated from at least two electric motors. Operation of electric motors is controlled by the rotating removable disk with the fixed contact arrow and separate contact sectors of adjustable length located on it. The disc is kinematically connected with the lifting wheel.

EFFECT: use of the invention enables to provide with alternate sites of streaks of different lengths, and hence to improve overall productivity throughout the period of industrial use.

2 dwg