TRAILER-TRAIN COUPLING GEAR Russian patent published in 1997 - IPC

FIELD: automotive industry; road transport; trailer-trains. SUBSTANCE: coupling gear has hook 6, hook mechanical lock 7 and guide arrangement for shifting hook with shock absorber 5. Working liquid is delivered from truck-tractor steering booster 1 into hydraulic cylinders 4 by means of which hook 6 is shifted along guide arrangement 5 to side from center of trailer train-turning. EFFECT: improved maneuverability of trailer-train owing to crosswise displacement of coupling gear relative to truck-tractor axis at cornering. 2 dwg