Patent ID: 6439545
Filing Date: 2002-08-27
Classification: B60D,B60S

Abstract:
A swivel jack for driving a trailer when the trailer is detached from a towing vehicle, the swivel jack comprising: a ground wheel and supporting fork assembly; a prime mover for the ground wheel that includes means for braking the ground wheel when power is removed; an extension of the fork assembly for receiving a shaft of the fork assembly such that the shaft freely rotates along its longitudinal axis within the extension; a steering assembly fastened at its one end to the fork assembly at a location below the shaft and free at its other end, where the free end is a handle for a user to apply a torque that is transmitted to the fork assembly, causing the fork assembly to rotate about the shaft's longitudinal axis; and, a switch at the free end of the steering assembly for controlling the prime mover of the wheel.