Earth working – With indicating or sighting means
Patent
1987-08-04
1990-05-29
Johnson, Richard J.
Earth working
With indicating or sighting means
172574, 172603, 172742, 172744, A01B 2108, A01B 7102
Patent
active
049287745
ABSTRACT:
An adjustment means for a cultivator disc which provides lateral, vertical and angular adjustment means. A plurality of discs are mounted in parallel on a gang frame, and may be individually adjusted in the field to exact, predetermined positions established by a positive positioning means, and then firmly held in place by a clamping means. In the presently preferred embodiment, the individual support shafts of each cultivator disc are supported by the angle adjustment brackets, which are supported by the lateral adjustment brackets, which are slidably supported in predetermined fixed positions in lateral housings attached to the main towing bar of the cultivator assembly.
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Barnett H. John
Johnson Richard J.
Landoll Corporation
Thompson Jeffery L.
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