Cultivator

Earth working – With drive means for tool or cleaner – Plural driven tools

Patent

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Details

172 49, 172 68, 172438, 172769, 172766, 172773, 172741, 111 77, A01B 3306, A01B 3316

Patent

active

040034380

ABSTRACT:
A cultivator or harrow has two groups of tined soil working members in a row that are driven to rotate about upwardly extending shafts. Each group is located on an opposite side of a frame portion center from the other. Between each soil working member, a driving shaft is positioned and pinion gears housed in the frame portion to turn all the shafts of one group in the same direction, but opposite to that of the driving shafts and the other group. The driving shafts can be fitted with additional soil working members and those soil working members on upwardly extending shafts can be replaced with smaller supports so that adjacent soil working members rotate in opposite directions. Alternatively, the smaller supports can be fitted with extension structures and two groups of soil working members are again formed. A dispensing mechanism can be mounted on the frame portion to deliver material between a rear supporting roller and the tines.

REFERENCES:
patent: 231637 (1880-08-01), Wilcox
patent: 3137350 (1964-06-01), Horr
patent: 3897831 (1975-08-01), VAN DER Lely
patent: 3902560 (1975-09-01), VAN DER Lely

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