Coupling hook assembly

Details Coupling hook assembly Coupling hook assembly

1980-12-03

1983-01-04

Pekar, John A.

Land vehicles

Wheeled

Articulated vehicle

172272, A01B 59042

Patent

active

043669670

ABSTRACT:
A coupling hook assembly having a hook body defining an enclosed hook pocket with a locking bolt extending from a first aperture in the hook body into operative engagement with a hook jaw to lock and unlock an implement pin for joining a trailer with an agricultural tractor. The locking bolt is pivotally connected with an operating lever mounted on a fixed pivot within the hook body and extending through a second aperture therein. A yoke pivotally mounted on the operating lever is adapted to engage with a notch formed on the external surface of the hook body to secure the locking bolt in the locked position or into engagement with a recess in a part of the operating lever to secure the coupling hook assembly in the unlocked position.

REFERENCES:
patent: 3404901 (1968-10-01), Rau
patent: 3434737 (1969-03-01), Bailey et al.

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