![]() 6B, and jaw 54 is pushed via pin 63 to slide along sliding support 143 ( FIG. As this occurs, the release arm 58 pivots in the direction of arrow 142 of FIG. As a result, the locking socket of the head 86 of the trigger member is moved off of locking protrusion 136, and main spring 98 is free to pull the trigger member in the direction of arrow 134 (of FIG. 6B (the shank portion 32 of the kingpin is indicated in phantom in FIG. As the shank portion of the kingpin 26 enters the throat 44 of the fifth wheel, the flange of the kingpin engages the locking head 86 of the trigger member 84 and moves it to the position illustrated in FIG. 1) to the pulling vehicle, the driver backs the pulling vehicle towards the trailer kingpin 26 as illustrated by arrow 140 in FIG. 1, the fifth wheel 20 is mounted to a tractor truck or other pulling vehicle. B62D53/10- Fifth wheel traction couplings with means for preventing accidental uncouplingĪs illustrated in FIG.B62D53/0885- Comprising devices to limit or to compensate for wear or excessive play Lubricating, shock absorbing, bearing devices, or the like.B62D53/08- Fifth wheel traction couplings.B62D53/04- Tractor-trailer combinations Road trains comprising 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.B62D53/00- Tractor-trailer combinations Road trains. ![]()
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