Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1979-10-25
1982-06-22
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172713, A01B 3306
Patent
active
043357890
ABSTRACT:
A cultivating implement has an elongated frame portion that mounts a row of soil working members, each of which rotates about an upwardly extending shaft and mounts a lower tine or tines. The lower shaft end preferably is a flattened horizontal part and can have a threaded stub shaft that extends through a central hole in a matching horizontal tine fastening portion. Alternatively, the tine can be hollow and bolted to one side of a carrier. Preferably, the inner side of the tine is concave and a recess formed. Alternatively, the entire soil working portion is conical and tapers downwardly. The diameter of the upper part is at least five fold that of the lower part and is, at the most, one-fifth the total length of the soil working portion.
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Johnson Richard J.
Mason William B.
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