Safety hitch pin

Details Safety hitch pin Safety hitch pin

1983-06-24

1985-11-26

Bertsch, Richard A.

Land vehicles

Wheeled

Articulated vehicle

403157, B60D 100

Patent

active

045551251

ABSTRACT:
A self-locking, safety hitch pin for connecting the tongue of a farm implement to the drawbar of a towing vehicle, such as a tractor. The pin has a handle pivotally connected to it at its upper end, the handle extending to the lower end of the pin to prevent it from inadvertently falling out of the connection. A spring-biased locking member is combined with the upper end of the handle and pin to automatically lock the handle in place when the handle is lowered to a closed position.

REFERENCES:
patent: 432735 (1890-07-01), Helm
patent: 2367874 (1945-01-01), Kelley
patent: 2483111 (1949-09-01), Spillman
patent: 3011801 (1961-12-01), Neumann
patent: 3197239 (1965-07-01), Jezek, Jr.
patent: 3554587 (1968-07-01), Baker
patent: 3825284 (1974-07-01), Behrle
patent: 3844663 (1974-10-01), Prette
patent: 3865407 (1975-02-01), Klassen
patent: 4087112 (1978-05-01), Lee, Jr.
patent: 4102124 (1978-07-01), Swager
patent: 4234990 (1980-11-01), Colburn

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