DEVICE FOR DIGGING AROUND SOIL CLOT AT REPLANTING THE TREES Russian patent published in 1997 - IPC

FIELD: timber industry and agriculture. SUBSTANCE: device has follower in the form of wheel mounted coaxially with rotary drive and telescopic boom mounted on frame. Guide made in the form of semiring is mounted on end of boom. Cutting member has hollow cylinder with vertical slots and knives secured by screws and mounted on diametrically opposite edges outside the slots. Auger is fitted inside hollow cylinder for rotation in direction opposite to that of hollow cylinder. EFFECT: facilitated operation, enlarged operating capabilities. 3 dwg