Patent ID: 6073953
Filing Date: 2000-06-13
Classification: B60D

Abstract:
An arrangement of one vehicle towing another vehicle, comprising:fore and aft zones of the one vehicle;a medial zone of the one vehicle between the fore and aft zones;a steering axis of the one vehicle in the medial zone at a region containing the volumetric center of the one vehicle;a curved rail affixed to an upper portion of the aft zone, the rail disposed generally along an arc centered on the steering axis;a central portion of the rail having a central portion's radius of curvature centered on the steering axis;lateral portions of the rail adjoining the central portion and having lateral portions' radii of curvature smaller than the central portion's radius of curvature;a carriage unit riding on the curved rail;wherein a carriage unit path changes its curvature radius as the carriage unit passes from the central portion of the rail to the lateral portions of the rail;a hitch connection coupler on the carriage unit;a forward end of the other vehicle;a goose neck construction at the forward end;a tongue of the goose neck construction disposed vertically at the height of the rail;a hitch connection eye on the tongue, the eye secured to the hitch connection coupler.