HEAVY FREIGHTER Russian patent published in 2009 - IPC B62D53/08 B62D13/04 

FIELD: transport.

SUBSTANCE: invention relates to trackless vehicles. Heavy freighter consists of hauler and semitrailer coupled via bolster comprising pivot and weight-bearing swivel connection with lock clamps. Semitrailer frame accommodates a pair of torque hydraulic cylinders with their cavities communicating via pipelines. Output shaft of one of aforesaid cylinders is rigidly coupled with pivot arranged at semitrailer frame front to make angular turns. Other hydraulic cylinder is rigidly coupled with vertical pin fixed on rotary mobile truck arranged at semitrailer rear. Pivot section represents polygon interacting with weight-bearing swivel connection lock arranged on clamp contact surface.

EFFECT: higher maneuverability and reduced drag at curved rod sections.

6 dwg