Land vehicles – Wheeled – Articulated vehicle
Patent
1985-02-07
1986-09-23
Love, John J.
Land vehicles
Wheeled
Articulated vehicle
280510, 280511, 280477, 280478B, B60D 102
Patent
active
046131493
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 spring leveler assembly is detachably secured as a subassembly to the trailing end of the shank unit, releasably grasps the ball socket housing and retains the shank unit properly positioned for coupling. 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 The locking pin can also be restored to a latched position which enables the shank unit to be withdrawn from the receiving unit.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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