AUTOMOTIVE SEMI-TRAILER Russian patent published in 2010 - IPC B60T7/20 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Automotive semi-trailer consists of a frame, body, springs with wheels split axle and pneumatic braking system with the wheel brakes braking chambers. Pneumatic cylinder is rigidly secured on semi-trailer wheels axle, solid in its lengthwise axis. Spring-loaded pistons are arranged to reciprocate in said pneumatic cylinder, each piston rod being pin-jointed to one arm of bell cranks. Said bell cranks are hinged on solid wheel axle end faces, while wheels are fitted on other arms of said bell cranks. Pneumatic cylinder is connected by pipeline with semi-trailer wheel braking chambers.

EFFECT: higher efficiency of devices that rule out folding of road train elements.

2 dwg