Land vehicles – Wheeled – Articulated vehicle
Patent
1975-03-19
1976-06-22
Wood, Jr., M. H.
Land vehicles
Wheeled
Articulated vehicle
280457, 280477, B60D 100
Patent
active
039647676
ABSTRACT:
A composite trailer tow bar has a bifurcated rearward portion terminating in parallel pointed pins which fit into laterally-spaced holes in a vertically-movable adjustable plate attached to an elongated angle bracket secured as by welding to the converging trailer frame side members at the forward end of the trailer frame. Mounted on a support plate secured to the forward end of the trailer frame is a vertical trailer jack which extends downward between the bifurcated portions of the tow bar. Secured to the top and bottom of the latter are gusset plates, the upper one of which carries a rearward coupling ball adapted to receive a coupling socket on the forward end of the trailer frame. The forward portion of the tow bar terminates in a forward coupling socket which is adapted to engage a forward coupling ball, the center of which is in substantially the same horizontal plane as the axis of the rear axle housing of the towing vehicle and is positioned immediately behind the differential housing thereof. The stem of the forward coupling ball is mounted on a cross beam secured at its opposite ends to two bracket plates depending from the opposite frame side members of the towing vehicle. The cross beam and these plates carry cable guide eyes at the top and bottom thereof slidably receiving flexible steel coupling-assist cables connected at their lower ends to the ends of forwardly-diverging safety chains hooked at their rearward ends to an anchorage eye depending from the tow bar. The upper portions of the coupling-assist cables extend rearwardly through rearward guide eyes at the rearward ends of the towing vehicle side members, and then pass perpendicularly in opposite directions therebetween and terminate in hooks detachably connected to the rearward eyes.
REFERENCES:
patent: 2325822 (1943-08-01), Whitmer
patent: 2452785 (1948-11-01), Olney
patent: 2459965 (1949-01-01), Robertson
patent: 2729470 (1956-01-01), Seitz
patent: 3305246 (1967-02-01), Gonczy et al.
Pekar John A.
Wood, Jr. M. H.
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