Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly
Patent
1980-03-03
1982-03-16
Stouffer, Richard T.
Earth working
Plural wheeled implements
Outrigged implement adjustable inwardly
280411A, A01B 7300
Patent
active
043196438
ABSTRACT:
An agricultural tool bar having a main beam and a pair of tool supporting side wings which fold forwardly from an extended operating position to a folded transport position. The inner ends of the wings are attached to hinges which are pivoted to a carriage mounted for rolling movement along the main beam. Hydraulic cylinders pivot the hinges relative to the carriage as diagonal links cause the carriage to roll along the beam in a manner to fold and unfold the side wings. Additional hydraulic cylinders act to raise the main beam to the transport position wherein the side wings are wholly supported on the main beam which is in turn supported on a wheel assembly having a sturdy axle underlying it.
REFERENCES:
patent: 2944615 (1960-07-01), Clark
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patent: 3491836 (1970-01-01), Doepker
patent: 3698488 (1972-10-01), Yoder et al.
patent: 4042044 (1977-08-01), Honnold
patent: 4088346 (1978-05-01), Schreiner et al.
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patent: 4137852 (1979-02-01), Pratt
patent: 4138134 (1979-02-01), Lechler et al.
Carter Jackie L.
Carter Jerry D.
Carmaco, Inc.
Stouffer Richard T.
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