ARTICULATED LORRY Russian patent published in 2015 - IPC B62D53/00 

FIELD: transport.

SUBSTANCE: invention relates to wheeled vehicles. Proposed road train consists of trailer with pole provided with coupler to interact with traction hook arranged at tractor frame. Vehicle frame side members are provided with two swivel links arranged at its end section. Said links are articulated by their ends provided with slotted plate with shackle rigidly fixed at hydraulic shaft rod. Hydraulic cylinder body is rigidly coupled with frame crossbar while its piston is equipped with second rod. Helical compression spring is arranged between its thrust and hydraulic cylinder body. Piston rod shackle houses traction hook spring-loaded rod sliding therein while said hydraulic cylinder is connected via pipe to vehicle wheels steering hydraulic control system.

EFFECT: higher stability of towed link.

3 dwg