Patent ID: 6352130
Filing Date: 2002-03-05
Classification: B64F,Y10S

Abstract:
An apparatus for towing a workpiece comprising:a first frame; a wheel assembly interconnected with said fist frame, said wheel assembly having a wheel axle with a generally horizontal first axis and a wheel rotatable about said first axis to permit generally forward or generally rearward movement of said first frame; a second frame rotatably engageable with said first frame such that said first frame is generally rotatable up to at least about 60Â° relative to said second frame; a motor to power said wheel assembly; and an adjustable gripper assembly interconnected with said second frame and including a tow frame with a rollable support, said gripper assembly being adjustable to removably attach a workpiece, such that a portion of the weight of the workpiece is distributed between said wheel assembly and said rollable support during towing of the workpiece along a surface.