Coupling hook for farm tractors

Details Coupling hook for farm tractors Coupling hook for farm tractors

1977-10-04

1979-06-12

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Articulated vehicle

B60D 110

Patent

active

041578384

ABSTRACT:
A coupling hook for a three-point linkage on a farm tractor includes a coupling jaw or opening for receiving in locking engagement a coupling bolt secured on a piece of farm equipment. Associated with the jaw is a locking bolt mechanism which includes an elongated locking bolt pivotally mounted on a lever with a spring biasing the mechanism into the locking position. In the locking position, the lever mounting the locking bolt is held between a fulcrum and a rear wall on the coupling hook. The locking bolt has a nose-like projection at one end which secures the coupling bolt in locking engagement. Removing the lever from between the fulcrum and the rear wall releases the locking bolt so that the coupling can be removed from the coupling hook jaw.

REFERENCES:
patent: 763771 (1904-06-01), Lukens et al.
patent: 774903 (1904-11-01), Ammann
patent: 2397558 (1946-04-01), Mennen
patent: 2429761 (1947-10-01), Ketel
patent: 4014562 (1977-03-01), Kunze
patent: 4071263 (1978-01-01), Kunze

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