GRADER ON TWO-AXLE TRUCK Russian patent published in 1995 - IPC

FIELD: excavating, transport machines. SUBSTANCE: road grader on two-axle truck has two-axle truck, blade connected to truck frame provided with ball hinge. The hinge is fixed on central frame. One end of the central frame is hinged to the frame of two-axle truck. Another end is fixed to cross beam resting on wheels and control hydraulic cylinder. One end of the cylinder is fixed on the central frame. Coupling device comprising vertical and cross cylindrical hinges is used to couple central frame and frame of two-axle truck. The grader has additional cylinder to control central frame. One end of the cylinder is fixed on the central frame. Other ends are fixed to the coupling device. EFFECT: high reliability. 4 dwg