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Priority to GEAP2005009080priorityCriticalpatent/GEP20074275B/en
Publication of GEP20074275BpublicationCriticalpatent/GEP20074275B/en
A plough-cultivator comprises connected to a tractor frame 1, on which by means of hinge a rotatable post 4 with a lug 5 connected with hydrocylinder 8 is attached. A hydrocylinder is connected to hydrosystem of the tractor by means of three-position valve actuator 10, the slide of which is connected to the probe 9 hingedly mounted on the frame. The hinge of the rotatable fpost is mounted on the frame obliquely, and the lug is fixed on the post in parallel to the frame.