Earth working – Diverse tools – Laterally spaced like tools with intermediate diverse tool
Patent
1989-11-16
1990-12-04
Johnson, Richard J.
Earth working
Diverse tools
Laterally spaced like tools with intermediate diverse tool
172310, 1726245, 172 26, 172705, 111 52, A01B 3908, A01B 3914
Patent
active
049746839
ABSTRACT:
A ridge tillage attachment includes springs associated with a linkage which guides a tool and wheel support beam for vertical movement, the springs being mounted within the linkage envelop to provide a compact arrangement and being operative to apply required forces to to a tool and wheels carried by the beam, while facilitating disassembly of the attachment when desired. The attachment also includes a structure which securely connects wheel axles to the support beam with a clamping action while being adjustable to provide a large range of relative positional values.
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Article entitled, "New John Deere 720", from Jan. 1986, issue of Iowa Farmer Today.
Article entitled "New John Deere 720 Ridge Till Attachment" from the Iowa Farm Bureau Spokesman of Mar. 1, 1986.
Advertising Literature of Alloway, a Subsidiary of Rau of Fargo, N.D., 11-1985.
Article entitied "Ridge Hugging Planter" by Bill Gergen in Dec. 1984 issue of FIN.
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Article entitled "Ridging on 22-Inch Rows--Precision Row Guidance Makes This High Yield, Low Cost System Possible."
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Article entitled "Ridge Till Saved Three Ton Soil/Acre", in the Sep. 1, 1984 issue of Prairie Farmer.
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John Deere Fundamentals of Machine Operation-Planting (1975), pp. 21, 27, 106.
Hanig John
Smit Edward H.
Sukup Steven E.
Tuttle James D.
Johnson Richard J.
Sukup Manufacturing Company
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