Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly
Patent
1978-04-17
1979-12-18
Stouffer, Richard T.
Earth working
Plural wheeled implements
Outrigged implement adjustable inwardly
172501, A01B 7300
Patent
active
041789989
ABSTRACT:
A multiple section agricultural implement having laterally inner and outer wing sections on laterally opposite sides of a central section for relative folding movement about longitudinal axes by hydraulically powered folding mechanisms. The lost motion connections in the folding mechanisms permit the implement sections to float relative to one another during use of the implement thereby assuring proper position of the tools when traversing uneven ground. The hydraulic jack of the folding mechanism between the outer and inner wing sections includes a clevis which presents a shoulder in abutting relation to an upper, slotted end of a link connected to the outer wing section when the latter is folded to approximately an overhead balanced position. This abutting relationship, which continues to be present as the outer wing section is folded from its overhead balanced position to its inverted transport position, prevents uncontrolled movement of the outer wing section when the latter swings through its balanced overhead position.
REFERENCES:
patent: 3948327 (1976-04-01), Parker et al.
patent: 4047575 (1977-09-01), Wagner
patent: 4074766 (1978-02-01), Orthman
Allis-Chalmers Corporation
Schwab Charles L.
Stouffer Richard T.
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