Floating folding tool bar having a lock means

Details Floating folding tool bar having a lock means Floating folding tool bar having a lock means

1976-05-24

1978-02-21

Marlo, George J.

Earth working

Plural wheeled implements

Outrigged implement adjustable inwardly

172414, 172457, 172466, 172494, A01B 4900

Patent

active

040747662

ABSTRACT:
A farm implement tool bar includes a main frame section having a wing section pivotally connected thereto and operated by a hydraulic cylinder located in a passageway in the main frame. The pivotal connection between the hydraulic cylinder and the wing section includes a lost motion connection to allow the wing section to float above and below the horizontal when the wing section is in its extended position. Cooperating lock members on the cylinder and wing section engage when the wing section is pivoted from the extended position to an angular position to limit pivotal movement of the wing section independently of the cylinder.

REFERENCES:
patent: 3774693 (1973-11-01), Orthman
patent: 3941194 (1976-03-01), Orthman
patent: 3944001 (1976-03-01), Warner et al.
patent: 3948327 (1976-04-01), Parker et al.

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