WORKING TOOL OF DEEP DIGGER Russian patent published in 1998 - IPC

FIELD: agricultural engineering; machines for deep and superdeep loosening of compacted soils in irrigated farming. SUBSTANCE: working member has post with blade on front part and bar point with conical tip. Bar point is secured on lower part of post by means of support cup. Conical tip has cutting member in form of regular polygon installed at angle to axis of bar point on top of conical tip. Bar point conical tip consists of two detachable parts. Front part is made in form of cone. Rear part of bar point is made in form of truncated cone. Base of front part of bar point is provided with threaded shank. Radial hole is made on its outer surface. Threaded socket is made in rear part of bar point. Chipping members in form of regular polygons are installed with displacement towards outer surface of bar point rear part from threaded socket in plane of mating of conical tip parts. Cutting edges are made on side faces of chipping members. EFFECT: enlarged operating capabilities. 10 cl, 6 dwg