EARTH-MOVING MACHINE Russian patent published in 1994 - IPC

FIELD: earth-moving machines. SUBSTANCE: earth-moving machine includes pentagonal frame 1, rotary drive member 2 with drive 5 driven members 4 and tension member 3, all of them are secured in frame corners, inscribed in vertexes of spatial pentagon, and spatially flexible connection, e. g. , in form of steel rope 6 with mushroom-shaped holders 7 and cutters 8 embracing rotary members which have adequate grooves and cutouts to interact with rope and holders. Rope 6 with holders 7 and cutters 8 move on frame 1 by means of drive 5, rotary drive member 2, driven members 4 and tension member 3 to practically close the sectional area of formed channel. Ground is accumulated on holders 7 and cutters 8 and comes off them when they bend round rotary drive member 2 and front driven member 4 to fly at angle backwards to channel berm. EFFECT: higher efficiency. 2 cl, 4 dwg