ROTARY CULTIVATOR Russian patent published in 2015 - IPC A01B35/28 

FIELD: agriculture.

SUBSTANCE: rotary cultivator comprises a frame, racks with hubs with a pair of flat discs. The pair of flat discs is mounted with the ability of free rotation with a slope towards each other in the horizontal and vertical planes. The discs are mounted so that the distance between their upper front cutting edges is greater than that between the lower rear edges. On the inner sides of the pair of flat discs radially around the circumference of their cutting edges the blades are fixed. The blades have a shape of a rectangular trapezoid and secured to the discs with larger base of the trapezoid. The length of the smaller base of the blades is equal to the depth of tillage. Each rack is equipped with a hydraulic vibrator and a spring which provide vibration of the hub with the disc in the vertical direction in the plane of rotation of the disc. The racks are attached to the frame by means of brackets and have an ability of movement along it in the transverse direction.

EFFECT: reduction of energy consumption and stable depth of tillage, increase in the degree of soil crumbling.

3 dwg