Power shift mechanism for earth working implements

Details Power shift mechanism for earth working implements Power shift mechanism for earth working implements

1977-07-25

1978-09-12

Johnson, Richard J.

Earth working

With actuator

For lateral adjustment

92 1341, 403 4, 214138C, 172476, E02F 385

Patent

active

041130316

ABSTRACT:
The disclosed Power Shift Mechanism is adapted to laterally shift an earth working implement, such as a vertical plow, relative to a tractor or the like. In the disclosed embodiment, the plow is mounted on a slide bracket and the bracket is slideably mounted on a support frame. The shift mechanism includes a fluid operated piston-cylinder connected between the frame and a pivot link pivotally connected to the slide bracket. The pivot link may be rotated by the piston-cylinder to either of two positions and locked in place by releasable connectors. The piston-cylinder will then rotatably shift the pivot link or laterally shift the bracket and the earth working implement. The shift mechanism thus increases the effective stroke of the piston-cylinder and reduces the power requirements of the shift mechanism.

REFERENCES:
patent: 1904922 (1933-04-01), Jungerson
patent: 3155250 (1964-11-01), French
patent: 3436099 (1969-04-01), Long
patent: 3554601 (1971-01-01), Miskin
patent: 3618237 (1971-11-01), Davis
patent: 4020745 (1977-05-01), Iijima
patent: 4038828 (1977-08-01), Schuck
patent: 4071091 (1978-01-01), Morris

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