Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1976-04-06
1977-11-29
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 96, 172543, A01B 3314
Patent
active
040601340
ABSTRACT:
A soil cultivating implement with a row of soil working members extending transverse to the direction of travel is constructed to work a broad path of soil but with less than normal power input. Each soil working member has a support with a tine holder at each side of its axis of rotation. Rigid tines extend downwardly from the holders to work the subsoil and further tines are mounted on each holder to work only the top soil, above the rigid tines. The rigid tines are positioned closer to the axis of rotation than are the further tines and only the latter of adjacent soil working members work overlapping paths. The further tines can be of resilient, circular construction and connected to a holder by respective integral spring coils that are interconnected by a tie portion. The further tines and their coils are located at the upper and lower ends of the holder and secured to the holder by the same fastening that secures the rigid tine in that holder. The fastening can be a clamping plate and protective screen.
REFERENCES:
patent: 3667551 (1972-06-01), Lely
patent: 3765491 (1973-10-01), Lely
patent: 3897831 (1975-08-01), Lely
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