Two unit folding hitch structures

Land vehicles – Wheeled – Articulated vehicle

Patent

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Details

172311, B60D 100

Patent

active

050244566

ABSTRACT:
Hitch structure for towing first and second implements forwardly one behind the other in a transport position and in a side-by-side relationship in a field-working position. The hitch structure includes an elongated rear hitch pivotally connected to a rear corner of the first implement by a 180 degree horizontally folding hinge and rockable by a rear hydraulic cylinder between a transport position wherein the rear hitch connector for the second implement is centered behind the first implement, and a field-working position wherein the connector is offset to one side of the first implement. A fore-and-aft extending forward hitch includes an aft end pivotally connected to the first implement at a location offset to the side of the implement and a forward connecting end attached to a towing vehicle. A forward hydraulic cylinder rocks the forward connecting end between a transport position, generally centered with respect to the first implement, and a field-working position wherein the forward connecting end is centrally positioned between the implements. A rear hitch brace is responsive to forward hitch movement to automatically move into and out of a latching support position as the implements are moved to and from the field-working position.

REFERENCES:
patent: 3948327 (1976-04-01), Parker et al.
patent: 3967684 (1976-07-01), Haverdink
patent: 4178010 (1979-12-01), Gerber
patent: 4213628 (1980-07-01), Hardesty
patent: 4260172 (1981-04-01), Rettig et al.
patent: 4504076 (1985-03-01), Bedney
patent: 4577881 (1986-03-01), Gerber

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