Patent ID: 6179315
Filing Date: 2001-01-30
Classification: A01B,B62D

Abstract:
A steerable machinery trailer comprising:a chassis having a pivotal towing attachment proximate a front portion of the chassis and having trailer wheels with steering-pivotal attachment to a rear portion of the chassis;a steering shaft that is extension-length controllable intermediate a first chassis position and a steering arm that is attached to a steering rod that has steering-pivotal attachment to axles on which the trailer wheels rotate;a positioning shaft that is extension-length controllable intermediate a second chassis position and a positioning arm that is extended laterally from a tow pin that is attachable non-rotatably to a towing vehicle;a tow sleeve that pivots on the tow pin;the front portion of the chassis being attached rigidly to the tow sleeve;a steering controller positioned proximate the steering shaft and having remote control of extension length of the steering shaft; anda positioning controller positioned proximate the positioning shaft and having remote control of extension length of the positioning shaft.