Roll-over mechanism for two-way plow

Details Roll-over mechanism for two-way plow Roll-over mechanism for two-way plow

1976-06-14

1978-01-10

Marlo, George J.

Earth working

Alternating for right or left hand operation

Interrelated tool shift and ground support manipulation

172225, 172482, 172494, A01B 340, A01B 356

Patent

active

040673960

ABSTRACT:
Mechanism operating through a mechanical advantage for rolling over a two-way gang plow comprises a pair of hydraulic cylinders acting through respective short links connected pivotally at one of their ends to their associated cylinders and at their opposite ends pivotally to spaced pivots on a bell crank lever secured to the roll-over shaft of the plow, the spacing between the bell crank lever pivots being less than the spacing between the link pivots. Annular rings surround the roll-over shaft for abutment by the links during operation of the mechanism, providing each link with a fulcrum point which is arranged to augment the output of the associated hydraulic cylinder during the initial portion of its extension.

REFERENCES:
patent: 3507334 (1970-04-01), Watts
patent: 3524509 (1970-08-01), Richey
patent: 3656556 (1972-04-01), Johannsen et al.
patent: 3818995 (1974-06-01), Mellen
patent: 3934653 (1976-01-01), Becker

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