TRAILER Russian patent published in 2008 - IPC B62D53/08 

FIELD: transportation.

SUBSTANCE: trailer consists of body fitted on chassis frame. Chassis is provided with driven wheels, steering circle and dolly with pole and helms. Torsion lever is rigidly fixed on dolly. Torsion rod is made hollow and mounted in vertical plane of trailer in coaxial relationship with symmetry axis of steering circle. By its end provided with kerfs the torsion is interconnected with mating ones by loaded spring for bushing compression. The bushing is movably mounted in trailer frame guides. On bushing end faced to body the curved-shape disk is rigidly fixed which interact with retainers of additional rod installed in the mentioned hollow rod of torsion also rigidly connected to its lever.

EFFECT: trailer road-holding is increased.

3 dwg