Patent ID: 8353377
Filing Date: 2013-01-15
Classification: B60B,B62D

Abstract:
1. In a vehicle including an axle having opposite ends defined by a pair of upright cylindrical receptacles, a caster wheel assembly including an upright caster spindle mounted for swiveling in each of said receptacles and being joined to a wheel support arm to which a wheel is rotatably mounted, each of said caster spindles having a steering arm fixed to an upper end thereof, a pair of reaction arms having first ends respectively releasably fixed to a fixed section of said axle, and a hydraulic steering assist cylinder being coupled between each steering arm and an adjacent reaction arm, the improvement comprising: said reaction arms each being selectively mounted to said axle for movement between at least a first position, wherein an associated steering cylinder extends approximately parallel to a direction of travel of the vehicle, and a second position, wherein an associated steering cylinder is disposed in a second position approximately at a right angle to said first position.