Patent ID: 6604753
Filing Date: 2003-08-12
Classification: B62D

Abstract:
A process of rear wheel steering for a vehicle traveling on a driving surface, the vehicle having a front wheel and a pivotal rear wheel, the vehicle having a normal driving state wherein the centerlines of the front and back wheels are generally parallel, the vehicle having a turning state when the vehicle turns from the normal driving state, the process for rear wheel steering comprising the steps of:(a) resisting the rear wheel from pivoting during the normal driving state so the centerline of the rear wheel remains generally parallel to the centerline of the front wheel; (b) guiding the pivoting of the rear wheel upon entrance of the turning state; and (c) freeing the rear wheel from guidance prior to exit of the turning state; wherein the step of guiding the pivoting of the rear wheel includes the substep of lowering a guide control wheel to the driving surface, the guide control wheel assisting the rear wheel to resist pivoting upon entrance of the turning state.