Agricultural implement including a central section and two wing

Details Agricultural implement including a central section and two wing Agricultural implement including a central section and two wing

1986-03-10

1987-08-04

Stouffer, Richard T.

Earth working

Plural wheeled implements

Outrigged implement adjustable inwardly

172776, A01B 7304

Patent

active

046839577

ABSTRACT:
A pull-type agricultural implement of the type comprising a central section and wing sections on either side, each of which includes inner and outer wing sections, can be folded into a transport position in which the inner wing section lies vertically and the outer wing section turns inwardly parallel to the central section. The coupling between the central section and the inner wing section is provided by a pair of levers which are pivotally mounted to the central section inboard of the ends thereof so as to extend in a straight line above a strut and then cranked downwardly to be coupled to the inner wing section by a pivot coupling providing two directions of rotation. Relative movement can therefore be obtained by pivoting of the levers about their pivot coupling on the central frame. A hitch for the implement includes a central hitch portion and wing hitch portions which are pivotally coupled to the central portion and are connected to the wing sections by chains. The folding position can be obtained by retracting a piston and cylinder to draw in the outer wing section followed by the inner wing section. The cylinder is coupled to the outer wing section through a sliding link.

REFERENCES:
patent: 3960221 (1976-06-01), Blair et al.
patent: 4360215 (1982-11-01), Nohl et al.
patent: 4479554 (1984-10-01), Kueker
patent: 4502546 (1985-03-01), Moos
patent: 4529040 (1985-07-01), Grollimund
patent: 4570722 (1986-02-01), Osborn
patent: 4583598 (1986-04-01), Knels

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