Agricultural implement with hitch control

Details Agricultural implement with hitch control Agricultural implement with hitch control

1982-05-10

1984-01-31

Johnson, Richard J.

Earth working

With actuator on trailing ground supported frame for moving...

Vertically

172413, 2804145, A01B 6322

Patent

active

044284357

ABSTRACT:
A tractor-drawn agricultural implement of the type that requires a floating hitch member while operating but a rigid hitch member while in transport. This is achieved according to the present invention by linkage connected between a hitch member control mechanism and the cranked axle that serves as the wheeled carrying structure for the implement main frame. The linkage is arranged so that when the main frame is in its lowered or operating mode, a stop is clear from the hitch member control so that the hitch member has a free pivotal movement about a transverse axis, but when the frame is raised to transport or raised mode, the stop engages the hitch member control and renders the hitch member rigid with the frame.

REFERENCES:
patent: 2684021 (1954-07-01), Ratzlaff
patent: 2767538 (1954-07-01), Scheidenhelm
patent: 3759332 (1973-09-01), Robertson
patent: 3777823 (1973-12-01), Holfeld
patent: 3912017 (1975-10-01), Rehn
patent: 4326594 (1982-04-01), Oka

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