Cultivators

Details Cultivators Cultivators

1974-04-16

1976-02-10

Pellegrino, Stephen C.

Earth working

With drive means for tool or cleaner

Plural driven tools

172 68, 172112, 172123, A01B 3300

Patent

active

039372855

ABSTRACT:
A cultivator has two elongated rotors rotatably mounted on horizontal axes and in driving engagement with driving means to work the soil at different depths. A forward rotor is secured to the frame and a ground engaging roller is mounted in front of the rotor. A rear rotor has a central multi-sided support on which spacer rings and soil working plates are slideably received. The rear rotor is vertically adjustable with respect to the forward rotor so that the soil can be worked at different layers in one pass.

REFERENCES:
patent: 980484 (1911-01-01), Bradley
patent: 1742563 (1930-01-01), Stidger
patent: 1842060 (1932-01-01), Andreasen
patent: 2044507 (1936-06-01), Nowlin
patent: 3087557 (1963-04-01), Hohstadt
patent: 3557879 (1971-01-01), van der Lely
patent: 3739856 (1973-06-01), Ray

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