Implement with wing lift including toggle links and roller

Details Implement with wing lift including toggle links and roller Implement with wing lift including toggle links and roller

1981-02-17

1982-05-11

Stouffer, Richard T.

Earth working

Plural wheeled implements

Outrigged implement adjustable inwardly

172459, 172619, A01B 7300

Patent

active

043288693

ABSTRACT:
An implement with a wing lift wherein the wing is displaceable from a wheel supported floating, ground working position approximately 180.degree. to a transport position where it lies inverted on the implement. The wing lift includes a pair of toggle links with one link pivotally connected to the wing hinge, a stop on the wing hinge, a lift arm pivotally connected to the implement central frame hinge structure and to the other toggle link and a hydraulic cylinder mounted on the central frame with the rod end pivotally connected to the lift arm and the other link of the toggle links. The lift arm also has a roller for contact by the wing hinge ramp. The toggle link construction allows the wing to float upwardly and downwardly in the working position without affecting the cylinder. The toggle links, upon abutting the stop, raise the wing when the cylinder is retracted until the links break wherein the roller engages the wing hinge ramp to support the wing to and in the inverted position without wing fall. The procedure is reversed when the cylinder is extended to return the wing to the working position.

REFERENCES:
patent: 3814191 (1974-06-01), Tilbury
patent: 4023623 (1977-05-01), Anderson
patent: 4116282 (1978-09-01), Hansen
patent: 4178998 (1979-12-01), Rockwell

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