Land vehicles – Wheeled – Articulated vehicle
Patent
1985-11-25
1986-08-19
Love, John J.
Land vehicles
Wheeled
Articulated vehicle
280477, 280508, B62D 116
Patent
active
046065490
ABSTRACT:
An automatic trailer hitch assembly mounts a shank unit on the trailer and a receiving unit on the towing vehicle. The shank unit provides an elongated shank member which mounts a trailer ball at one end coupled to a conventional trailer hitch ball socket housing secured to the trailer and at the opposite end is formed to slide on funnel-like guide passages into the receiving unit. A leveler assembly is mounted on the trailing end of the shank unit, releasably grasps the ball socket housing utilizing unsupported weight of the shank unit to establishing the grasping force and retains the shank unit properly positioned for coupling. The leveler assembly automatically releases as the shank unit enters or becomes fully coupled to the receiving unit. The receiving unit has a locking pin which can be latched into a position allowing entry of the shank member into the receiving unit and when the shank unit is properly positioned therein is automatically unlatched and moved into a position for locking the shank unit and receiving unit together. The locking pin can also be restored to a latched position which enables the shank unit to be withdrawn from the receiving unit.
REFERENCES:
patent: 2062788 (1936-12-01), Jacob
patent: 2671673 (1954-03-01), Benson
patent: 3161422 (1964-12-01), Wade
patent: 3329445 (1967-07-01), Carson
patent: 3891237 (1975-06-01), Allen
Love John J.
McGiehan Donn
Olive B. B.
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