ROAD TRAIN Russian patent published in 2018 - IPC B62D53/04 

FIELD: machine building.

SUBSTANCE: invention relates to transport machine building. Tractor consists of a tractor vehicle, on the frame of which there is a saddle, interacting with the pivot, rigidly fixed on the ledge of the semitrailer frame. To the end part of the frame of the tractor-car with the help of the springs is an axle with wheels. In the end part of the frame of the semitrailer, the second pin, which is in contact with the frame of the trolley, is fixed, and in its horizontal plane the frame of the trolley is provided with a number of horizontally arranged compression springs. Other ends of the compression springs are interlocked with the semi-trailer frame. Frames of the truck-tractor and the trolley are connected by flexible connections made in the form of two metal cables. Metal cables are crosswise in relation to each other.

EFFECT: increase in maneuverability of the road train is achieved.

1 cl, 3 dwg