DEVICE FOR DIGGING WITH SCRAPER BOWL Russian patent published in 1995 - IPC

FIELD: earth-moving machinery. SUBSTANCE: device has augers with lower earth intake troughs arranged across bowl square to its bottom with cutters installed on lower blades. Auger-to-auger space is filled with wedge posts with lower V-shaped knives and vertical soil cutting knife, the knives being installed "with lagging" relative to cutters of augers. As augers pass through bottom and are covered from the rear by casing connected with all wedge posts, earth cut by augers and wedge posts is transported upwards into bowl wherefrom it is distributed by rake at both sides of bowl, i.e. front and rear sides. Rake rests through rollers on upper parts of side walls connected with bottom. Bottom is made in form of two parts, front and rear ones, arranged in tiers. Casing covering the drive part of augers serves as central part of bottom. EFFECT: enlarged operating capabilities. 3 dwg