Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly
Patent
1988-11-30
1990-01-16
Johnson, Richard J.
Earth working
Plural wheeled implements
Outrigged implement adjustable inwardly
172518, 172612, 172478, A01B 2906, A01B 3516
Patent
active
048936820
ABSTRACT:
An agricultural implement having a mobile mounting frame for moving across an area to be treated, and a soil working assembly co-operating with the mounting frame. The soil working assembly includes a flexible chain of interconnected links, the chain being rotatable about its axis and having blades extending from the chain. The blades are adapted to penetrate gravitationally, scoop hollows from, the soil as the implement is advanced rotating the chain over the soil. The implement reduces undesirable consequences of rapid and unimpeded run-off of rain water by upturning the soil in such a manner that run-off is impeded.
REFERENCES:
patent: 1314292 (1919-08-01), Wallesverd
patent: 2825983 (1958-03-01), Finn
patent: 3333645 (1967-08-01), Gustafson
patent: 3515219 (1970-06-01), Jackson
patent: 3548954 (1970-12-01), Lindemann
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