Patent ID: 6827176
Filing Date: 2004-12-07
Classification: B60B,B60K,B60Y,B62D,Y10S

Abstract:
A vehicle comprising a chassis supporting two front axle assemblies and two rear axle assemblies, each of the front and rear axle assemblies including an extendible and retractable axle supporting an independently steerable wheel and a steering mechanism,wherein the axles of the two front axle assemblies are offset from each other, and wherein the axles of the two rear axle assemblies are offset from each other, the vehicle being operable in a plurality of steering modes including two-wheel steer, crab steer and coordinated steer, wherein a steering angle for each steering wheel is determined according to a steering angle of an inside front wheel on a turn-by-turn basis, the inside front wheel changing according to a turning direction.