Land vehicles – Wheeled – Articulated vehicle
Patent
1987-04-17
1988-12-27
Mitchell, David M.
Land vehicles
Wheeled
Articulated vehicle
172275, 280509, 280510, B60D 100
Patent
active
047936266
ABSTRACT:
The trailer hitch comprises a channel-shaped body having a bottom wall containing therein two longitudinally offset holes and an elongated slot located forwardly of said holes. Associated with the slot is a trigger mechanism that can be rotated into a perpendicular relationship with the bottom wall of the channel-shaped body so as to flex a resilient strip downwardly. The resilient strip has mounted thereon a U-shaped rod that provides a pair of pins that project upwardly from the upper side of said strip, the pins being aligned with the holes in the bottom wall. A tongue member has a pair of notches longitudinally offset in its marginal edges so that when the tongue member is pulled forwardly to strike the trigger mechanism, the trigger mechanism is rotated from its generally perpendicular relationship into a parallel relationship so that the resiliently mounted strip member can flex upwardly with the result that the pins extend into the notches formed in the edges of the tongue member to latch the tongue member to the channel-shaped body.
REFERENCES:
patent: 1246666 (1917-11-01), Sherman
patent: 2393657 (1946-01-01), Rudnick
patent: 2556748 (1951-06-01), Buckley
patent: 2818276 (1957-12-01), Sprang
patent: 3891237 (1975-06-01), Allen
patent: 3912302 (1975-10-01), Patterson
patent: 4131295 (1978-12-01), Highberger
Mitchell David M.
Watts Charles R.
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