Reversible plow

Details Reversible plow Reversible plow

1980-04-24

1982-02-23

Marlo, George J.

Earth working

Alternating for right or left hand operation

Axially rotatable implement

A01B 334

Patent

active

043165079

ABSTRACT:
A frame of a reversible plow having plow shares that are directed to the right and to the left. The frame is turned by means of a piston connected to a turning shaft of the frame, the turning of the cylinder being controlled by an automatic reversing valve. The valve has a fixed housing and a movable shaft. Peripheral grooves are present in either the housing or shaft through which hydraulic oil is supplied from one side of the piston to the other side thereof.

REFERENCES:
patent: 4154306 (1979-05-01), Hawes

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