Rockshaft cultivator frame

Details Rockshaft cultivator frame Rockshaft cultivator frame

1992-10-30

1994-04-19

Reese, Randolph A.

Earth working

Plural wheeled implements

Outrigged implement adjustable inwardly

172456, A01B 4900

Patent

active

053037790

ABSTRACT:
The present invention relates to an agricultural cultivator frame having a center and two wing sections pivotally attached to the center section for rotation about horizontal axes in the direction of travel for movement between a substantially horizontal field or working position and a substantially vertical transport position. Support wheels are attached adjustably to the frame by a transverse rockshaft extending the width of the cultivator and controlling the elevation of the frame above ground level. The hitch is pivotally attached to the frame for automatic leveling. The rockshaft wing sections are connected to the rockshaft center section by a universal joint. The rockshaft wing sections are pivotally attached to the wing section for movement about multiple axes and provide for longitudinal displacement relative to the frame.

REFERENCES:
patent: 893274 (1908-07-01), Starrett
patent: 3470965 (1969-10-01), Quickstad
patent: 3536144 (1970-10-01), Hood et al.
patent: 4509602 (1985-04-01), Russ
patent: 5178328 (1993-01-01), Broyhill

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