Reversible ploughs

Details Reversible ploughs Reversible ploughs

1977-12-28

1979-05-15

Marlo, George J.

Earth working

Alternating for right or left hand operation

Axially rotatable implement

172666, 172439, A01B 334

Patent

active

041543068

ABSTRACT:
A reversible plough has a headstock, a plough frame and a reversing spindle secured to the frame and rotatable in the headstock. A stop member rotatable about the reversing spindle is provided with two adjustable stops to enable the two ploughing positions of the plough frame to be preset relative to the headstock. To reverse the plough frame from one ploughing position to the other, the spindle and thus the plough frame is rotated by a hydraulic ram and an abutment on the spindle engages the stop member to cause said member to rotate with the spindle until the corresponding stop engages the headstock to locate the spindle and hence the plough frame in the other ploughing position.

REFERENCES:
patent: 3305027 (1967-02-01), Walberg
patent: 4067396 (1978-01-01), Watts

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