EROSION-PREVENTIVE WIDE-CUT TILLER Russian patent published in 2009 - IPC A01B73/06 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural engineering, namely to wide-cut sectional tillers set into the working and transport positions. The tiller comprises a hitch tongue fitted by a drag bar and holders to put in transport position the middle and side frames in the front part and carrier wheels in the rear part, tools sections, a central, two middle and two side frames interconnected by a hinge to the central frame, to the hitch tongue and controlled by hydraulic cylinders through the holders rigidly fixed at the frames and the hitch tongue. Each pair of side and middle frames is connected by two parallel four-link hinge mechanisms to the central frame. The first crank of the said mechanism is formed by the holder of the central frame, lower and upper connecting rod jointed with the holders of the middle and side frames. The lower connecting rod is additionally connected to the holder of the central frame by a pin and a hydraulic cylinder base.

EFFECT: expanded functionality.

6 dwg