Multiple section implement with beam raised and lowered on mast

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

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Details

172451, 172456, 280411A, A01B 7300

Patent

active

041281314

ABSTRACT:
A farm implement having a main transverse central frame and outer frames that are connected to opposite ends of the main frame to swing between transversely extending positions and rearwardly extending positions with respect to the central frame. The central frame carries a vertical mast on which is mounted a horizontal tool-supporting beam structure. A powered device is provided between the beam structure and the main central frame to raise the beam structure on the mast to thereby elevate the tools carried by the beam structure to a height permitting the outer sections to swing rearwardly and inwardly beneath the tools on the beam structure.

REFERENCES:
patent: 3028920 (1962-04-01), Wersterfer
patent: 3403737 (1968-10-01), Byrd
patent: 3606848 (1971-09-01), Dobbs et al.
patent: 3841413 (1974-10-01), Applewhite
patent: 3935696 (1976-02-01), Pavel
patent: 3941194 (1976-03-01), Orthman
patent: 4042044 (1977-08-01), Honnold

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