Earth working – Automatic power control
Patent
1997-07-30
1999-08-24
Will, Thomas B.
Earth working
Automatic power control
172741, 172776, A01B 6900
Patent
active
059413174
ABSTRACT:
A row cultivator 10 is drawn behind a prime mover illustrated by the wheels 11 with rows defined by mounds illustrated in terms of the lines 12 before the cultivator and the reshaped mounds being illustrated by the lines 13 located behind the cultivator. As can be seen the rows before the cultivator include an irregularity. In this case there are wide rows shown at 14 and relatively narrow rows shown at 15. The cultivator 10 includes a fixed rigid tool bar 16 and a moveable tool bar 17 travelling behind the fixed tool bar 16 and pivotable relative thereto via connecting bars 18, 19 and 20. Where the rows to be reshaped are all evenly spaced the connecting bars 18, 19 and 20 would be positioned parallel to the rows. The moveable tool bar 17 is displaced to the left. This displacement arises as a consequence of probes 21 and 22 having sensed the irregularity arising from the wider rows 14 and the narrow rows 15 thus causing the lateral displacement of the tool bar 17 to the left to thereby maintain the tool bar 17 centrally between the probes 21 and 22. The tool bars 16 and 17 carry cultivating tools 23 and located at spaced intervals along the tool bars in order to cultivate the rows. The considered effect of the two tool bars as shown is to give evenly spaced reshaped rows.
Great Western Corporation Pty Ltd.
Novosad Christopher J.
Will Thomas B.
LandOfFree
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