EARTHMOVING MACHINE BUCKET Russian patent published in 1999 - IPC

FIELD: mining and construction industry. SUBSTANCE: bucket has rear wall and bottom which are connected one with the other by curved sheet, cutting members on bottom and upper edge. Walls are rigidly attached at both sides to rear wall, bottom and curved sheet. Rear wall, bottom and curved sheet are positioned in symmetry with respect to plane extending through bisecting line of angle defined by tangents of rear wall and bottom. Such construction provides penetration of bottom with cutting members and rear wall into ground and increases bucket volume. EFFECT: simplified construction and enhanced reliability in operation. 2 dwg