Land vehicles – Wheeled – Running gear
Patent
1989-05-02
1991-07-30
Hill, Mitchell J.
Land vehicles
Wheeled
Running gear
280 4323, 280 815, 2801492, 280426, 280704, B60G 1126, B62D 102, B62D 1300
Patent
active
050354396
ABSTRACT:
A tractor trailer or other truck or vehicle is equipped with an auxiliary rear steering arrangement in which one or both sets of dual wheels are equipped for vertical movement and/or a pivoted turning movement plus locking at various angles of turning. In operation, the weight of the truck and any load on the truck is removed from the dual wheel axle equipped for turning by either extending the other dual wheel to lift the trailer body or by lifting the turning equipped axle. Such axle is then turned and the weight of the truck returned to the turned axle and removed from the adjacent unturned dual axle while the truck is moved causing the trailer to move partly to the side. The wheels are then returned to the starting or road condition.
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