Agricultural folding tool bar

Details Agricultural folding tool bar Agricultural folding tool bar

1981-03-05

1982-06-29

Stouffer, Richard T.

Earth working

Miscellaneous

172311, 172446, A01B 7300

Patent

active

043368468

ABSTRACT:
A tool bar having a hollow central section and oppositely extending offset hinged wings movable from a generally horizontally transversely extending working position to a folded transport position. A hydraulic cylinder is positioned in the central section adjacent each wing and has its rod pivotally connected to a pair of rollers substantially spanning the hollow central section and to a pair of links via a slotted connection, with the links also being pivotally connected to the ear of a wing. The rollers reduce wing fall as the wing moves from the working position approximately 180.degree. to a transport position on top of the central section or vice versa. The slotted link connection prevents binding of the rollers against the central section during the procedures.

REFERENCES:
patent: 3692121 (1972-09-01), Kenney
patent: 4046203 (1977-09-01), Ward
patent: 4074766 (1978-02-01), Orthman
patent: 4281720 (1981-08-01), Tusing
Cramer, "Favorit-S, Saatbett Kombinationen," Machinenfabrik Cramer, Ostfriesland, Germany, Sep. 1974.

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