Patent ID: 6945343

Claim:
A trailer with a tongue-mounted, adjustable jack having a ground-contacting end for supporting a trailer tongue when the trailer is disconnected from a towing vehicle, and a direct-drive motorized trailer wheel assembly attached to the jack for moving the disconnected trailer, the motorized trailer wheel assembly comprising: a wheel bracket mounted to the ground-contacting end of the jack; a wheel mounted to the wheel bracket and comprising a wheel rim and a circular gear-toothed rack mounted inwardly of the rim with the gear teeth extending radially inwardly; an electric motor having a rotating motor shaft, the motor shaft terminating in a pinion gear, the motor being removably mounted to the wheel bracket by a motor bracket, the motor shaft extending through the wheel bracket toward the wheel so that the pinion gear engages the rack; an electrical switch operably connected to the motor and controlling operation of the motor between an off position, a clockwise rotation position, and a counterclockwise rotation position for selectively alternating direction of rotation of the motor between a clockwise and a counterclockwise direction; and an electric power supply for providing electric power to the motor thereby rotating the motor shaft and pinion gear and urging the circular rack and wheel to rotate.