Tractor-trailer combinations Road trains

BPERFORMING OPERATIONS TRANSPORTING B62Land vehicles B62DMOTOR VEHICLES TRAILERS

B62D53/00Tractor-trailer combinations Road trains

B62D53/005Combinations with at least three axles and comprising two or more articulated parts B62D53/02comprising a uniaxle tractor unit and a uniaxle trailer unit B62D53/021comprising a universal coupling joint B62D53/023with two or more coupling joints allowing staggering of the units from a central plane B62D53/025Comprising a transmission shaft passing through the coupling joints B62D53/026With all wheels powered B62D53/028Having only coupling joints other than directional B62D53/04comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle B62D53/045with rigid linkage in the horizontal plane B62D53/06Semi-trailers B62D53/061of flat bed or low loader type or fitted with swan necks B62D53/062having inclinable, lowerable platforms; Lift bed trailers; Straddle trailers B62D53/064inclining platforms by detachable bogies B62D53/065inclining platforms by detachable or folding swan necks B62D53/067Multi-purpose, convertible or extendable load surface semi-trailers B62D53/068having devices to equalise or modify the load between the fifth wheel and the rear wheels B62D53/08Fifth wheel traction couplings B62D53/0807adjustable coupling saddles mounted on sub-frames; Mounting plates therefor B62D53/0814with adjustment of the clearance between the tractor or the trailer B62D53/0821Lifting saddles B62D53/0828Removable or fold-away traction couplings for non-specialised tractor vehicles B62D53/0835Coupling saddles able to rock in all directions B62D53/0842King pins B62D53/085fitted with anti-coupling devices, pivotal or retractable king pins B62D53/0857Auxiliary semi-trailer handling or loading equipment B62D53/0864Dollies for fifth wheel coupling B62D53/0871with stabilising means B62D53/0878the fifth wheel coupling incorporating braking or restraining means B62D53/0885Comprising devices to limit or to compensate for wear or excessive play; Lubricating, shock absorbing, bearing devices, or the like B62D53/0892comprising power transmission shafts B62D53/10with means for preventing accidental uncoupling B62D53/12engaging automatically B62D53/125with simultaneous coupling of the service lines