MOTOR GRADER Russian patent published in 2001 - IPC

FIELD: earth-moving machines, particularly, motor graders. SUBSTANCE: motor grader includes base machine and working equipment located within its wheel base and provided with draft frame, adjustable blade and blade control hydraulic cylinders. Working equipment is secured to center girder by means of turning holder embracing center girder and rotating round center girder in transverse plane of motor grader together with working equipment during machine operation and also has controlled supporting members attached in the rear to edges of blade, and installed on planed surface of ground and preventing the blade from turning in transverse plane caused by ground response. EFFECT: higher quality of planed surface and productivity of machine. 3 dwg