Soil cultivating implements

Details Soil cultivating implements Soil cultivating implements

1979-10-25

1982-04-13

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Plural driven tools

172713, 172769, 172749, A01B 3306

Patent

active

043241239

ABSTRACT:
A cultivating implement has an elongated frame portion that mounts a row of rotors, each rotor having an upwardly extending shaft and a lower tine. The lower shaft end is a flattened horizontal part with a threaded stub shaft that extends through a central hole in a matching horizontal tine fastening portion. A nut secures the fastening portion to the shaft end part and the nut is surrounded by a space partly defined by side cheeks of the fastening portion. Preferably, the inner side of the tine is concave and the recess formed therein merges into the space. A lug of the fastening portion fits into a recess of the shaft part to further secure the tine to the shaft. The soil working portion tapers downwardly from a curved intermediate portion to a lower tip that can be replaced.

REFERENCES:
patent: 2088141 (1937-07-01), Royston
patent: 2110790 (1938-03-01), Daugherty
patent: 2606413 (1952-08-01), Gray
patent: 2622498 (1952-12-01), Wharton
patent: 3774687 (1973-11-01), Lely
patent: 3783948 (1974-01-01), Lely
patent: 3897831 (1975-08-01), Lely
patent: 3902560 (1975-09-01), Lely
patent: 3920079 (1975-11-01), Lely
patent: 4014272 (1977-03-01), Lely
patent: 4046201 (1977-09-01), Lely

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