COMBINED TILLAGE DEVICE Russian patent published in 2020 - IPC A01B35/26 

FIELD: agriculture.

SUBSTANCE: combined soil cultivator comprises cultivator tine (1) with holder (2), two wings (3) with blades (4) and nose (5). Inclination angle of cultivator tine (1) to horizontal surface makes 2–3°. On cultivator tine (1) there is ripper (6), and under tine (1) of cultivator – chisel plow (7), made in form of two triangular plates rigidly fixed bases (8) on joint line of blades (4) of tine (1) of cultivator with displacement of 2–3 cm from nose (5) and with possibility of their dismantling. Length of the base of plates is 2.5 times less than the length of blade (4) of tine (1) of the cultivator. Ripper height (6) is equal to depth of tillage, inclination of its cutting edge (9) to horizontal surface is 20–30°. Height of chisel plow (7) is 1.5 times larger than height of ripper (6), and inclination of its cutting edge (10) to horizontal surface is 40–45°. Tops of ripper (6) and chisel plow (7) are located on one line.

EFFECT: higher quality of soil treatment, reduced traction resistance and increased stability of movement of the device.

1 cl, 5 dwg