MOTOR GRADER WORKING EQUIPMENT Russian patent published in 2017 - IPC E02F3/00 

FIELD: construction.

SUBSTANCE: working equipment of the motor grader includes a main beam, a traction frame hinged to the main beam, a blade connected to the traction frame by means of a turntable, a mechanism for changing the cutting angle of the blade, and a blade extension mechanism with respect to the traction frame, including the extension hydraulic cylinder. The lower guide and the upper guide are hingedly connected to the blade. The hinges are made with mounting clearances. The connecting hinges of the upper guide are made in such a way that their clearances made in the vertical plane are larger than the gaps disposed in the horizontal plane. The lower and the upper guides can be made of rectangular or circular cross-section.

EFFECT: ensuring the required profile of the base to be prepared.

2 cl