AUTOMOTIVE-TRACTOR TRAILER Russian patent published in 2008 - IPC B62D53/08 

FIELD: transport.

SUBSTANCE: automotive-tractor trailer contains body installed on frame front part of which is connected with moving bogie via turntable consisting of top and bottom rings. Trailer has pneumatic brake system with air distributor, air ducts, and brake chambers. Curved shape hollow shell with O-ring cross-section is rigidly mounted on inner vertical element of turntable top ring. Hollow shell has in its lower part arciform slot with movable rod located in it. One end of rod is rigidly connected to ball-shaped body movable inside curved shape hollow shell. The other end of the rod is also rigidly connected by bracket with turntable bottom ring. Ball-shaped body is separated by compression springs from other ball-shaped bodies also movable inside curved shape hollow shell and separated between themselves by stops leaving air space between them. The said air space is connected by pipeline with air ducts of brake chambers of the trailer.

EFFECT: stability of movement is increased for tractor-lorry-trailer combination elements.

3 dwg