Coupling assembly for multiple implements

Details Coupling assembly for multiple implements Coupling assembly for multiple implements

1972-06-29

1976-02-03

Burr, Edgar S.

Earth working

Plural wheeled implements

Implements in echelon

172248, 172311, A01B 4900

Patent

active

039359077

ABSTRACT:
A coupling assembly for interconnecting a pair of implements such as grain drills in end-to-end relation for towing behind a tractor for field operation and in an endwise direction for transport. The grain drills are connected to a tractor by conventional duplex hitch structure. The grain drills are connected to each other by a novel coupling assembly which in field operation permits the adjacent drills to move within limits toward and away from each other to accommodate ground level variations. The coupling assembly includes a latch unit positionable to lock the coupling assembly to thus retain the drills in fixed spaced relation to facilitate endwise transport of the drills.

REFERENCES:
patent: 2136550 (1938-11-01), Howard
patent: 2469622 (1949-05-01), Acton
patent: 2971774 (1961-02-01), Bartel
patent: 3064996 (1962-11-01), Roppel
patent: 3334916 (1967-08-01), Tibbals
patent: 3515223 (1970-06-01), Youngberg et al.
patent: 3544130 (1970-12-01), Hayes

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