ARTICULATED VEHICLE Russian patent published in 2008 - IPC B62D53/00 B60D1/14 

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed articulated vehicle consists of prime mover with fifth-wheel coupler gear which can be shifted longitudinal relative to chassis and engaging with pivot rigidly secured on support sheet of step of semitrailer frame. Mounted stationary on turnable of fifth-wheel coupler gear is sector of screw gear train provided with teeth on its end face surface pointed to pivot engaging with mating teeth made on end face part of pivot. Toothed sector engages in turn at angular turns with teeth of screw wheels rigidly secured on shafts. Shafts are arranged in bearings of turnable being provided with long-lead thread meshing with like thread cut in nuts. Nuts are rigidly secured on frame of prime mover chassis.

EFFECT: reduced metal usage of trailer-train.

3 dwg