Coupling hook for a guide member of a tractor three-point attach

Details Coupling hook for a guide member of a tractor three-point attach Coupling hook for a guide member of a tractor three-point attach

1976-04-29

1977-05-17

Song, Robert R.

Land vehicles

Wheeled

Articulated vehicle

B60D 110

Patent

active

040238229

ABSTRACT:
A coupling hook has a latch bolt slidable in a bore in the hook so as to be displaceable into the hook opening. A locking bolt is pivotally attached to the latch bolt and is acted upon by a locking spring in a direction so as to intersect the axis of the locking bolt and the bore. The locking bolt has a locking surface which under the force of the locking spring is engaged with an abutment surface when the latch bolt is in the locked position.

REFERENCES:
patent: 2842380 (1958-07-01), Weiss
patent: 3361477 (1968-01-01), Engelmann
patent: 3437355 (1969-04-01), Jeffes
patent: 3539203 (1970-11-01), Bough

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