MOULDBOARD OF EARTH-MOVING MACHINE Russian patent published in 1998 - IPC

FIELD: earth-moving machinery and equipment. SUBSTANCE: this mouldboard is intended for machines used for cutting and carrying ground. Mouldboard has cutting blade, lower plane transferring into bending surface with its curvature configuration which goes into upper surface. Also provided are mouldboard wings which are located on top edges of mouldboard upper surface above bending surface. Curvature lines of mouldboard wings are not horizontal. Curvature radii of mouldboard wings can be variable over mouldboard height and also over mouldboard length. Aforesaid embodiment of mouldboard makes earth-moving machine more productive. EFFECT: higher efficiency. 2 cl, 7 dwg