Earth working – Diverse tools – Rolling and non-rolling
Patent
1983-09-09
1985-09-24
Johnson, Richard J.
Earth working
Diverse tools
Rolling and non-rolling
172484, 172468, A01B 3518
Patent
active
045427933
ABSTRACT:
The system includes a pull-type frame with a forward line of disc blades widely spaced to part the trash, mix it with soil and displace most of the mixture laterally on top of previously undisturbed soil, thereby creating strips of ground which are alternately cleared and windrowed. At least a second line of disc blades, also widely spaced, is placed to the rear of the first line; and these blades are offset laterally from, and located in the windrows formed by, the discs of the first row, to part and return at least some of the previously cleared trash and previously undisturbed soil back onto the cleared strips while still leaving strips of undisturbed soil with an accumulation of cleared trash on top. Cooperating with the discs are novel plow points located in the undisturbed strips having accumulated layers of cleared trash. In one embodiment, strips of untilled soil are left only between the non-working surfaces of a pair of associated blades (one of the forward line and one of the rear), and in another case, strips are left between the working and the non-working surfaces of associated blades. Plow points are located to till all such strips.
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DMI Inc.
Johnson Richard J.
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