Hitches for tractor-mounted implements

Claim 1

A hitch for tractor mounted implements of the self-propelled type having two or four-wheel drives comprising two vehicle parts each carrying an axle, wheels non-pivotally connected to the two axles, pivotal means pivotally connecting said two vehicle parts, a steering mechanism operatively connected between said two vehicle parts whereby steering is effected by articulation of the two vehicle parts relative to one another about said pivotal means, one of said vehicle parts having a vertically mounted shaft, one of said vehicle parts being a platform means mounted for pivotal movement on said vertical shaft, and transmission means between said platform means and said steering mechanism operable to pivot the platform means in opposite direction relative to the pivotal movement of the two vehicle parts, said transmission means comprising a link mechanism operatively connecting said platform means and the other of said vehicle Parts, said link mechanism including an arcuate bar means adjustable receiving a link bar operable to adjust the relative pivotal movement of the platform means relative to the other vehicle part whereby the platform means can be swung in relation to the other vehicle part through up to one-half as large an angle in either the same or opposite direction.