发明名称 Trailer towing and steering system
摘要 A trailer steering hitch system for towing and trailer vehicles in which a tongue extends between the vehicles and in which a cable system extends along the tongue from a stationary elliptical pulley disposed beneath the towing vehicle to a rotating elliptical pulley beneath the trailer, the trailer having the wheels of its forward wheel system mounted for turning in accordance with the rotational position of the trailer elliptical pulley, the tongue being attached to the trailer in a manner for extending straight-forwardly therefrom at all times, inclination of the truck with respect to the tongue as the truck turns causing a cable movement bringing corresponding rotation of the trailer elliptical pulley for turning the wheels of the forward trailer wheel system toward that side of the trailer in which the towing vehicle is turning.
申请公布号 US4463966(A) 申请公布日期 1984.08.07
申请号 US19820347876 申请日期 1982.02.11
申请人 STODDARD, RONALD L. 发明人 STODDARD, RONALD L.
分类号 B62D13/02;(IPC1-7):B62D13/02 主分类号 B62D13/02
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