Soil cultivating implements

Details Soil cultivating implements Soil cultivating implements

1976-12-02

1978-07-11

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Plural driven tools

172117, A01B 3306

Patent

active

040995755

ABSTRACT:
This invention relates to soil cultivating implements having a frame portion that carries a plurality of soil working members arranged in a row that extends transverse to the direction of operative travel. The frame portion is linked to a supporting structure provided with a coupling connection to a prime mover. The linkage between the frame portion and the supporting structure is such that the frame portion is upwardly and downwardly displaceable relative to the supporting structure and guides are located close to the linkage to guide upward and downward movements of the linkage arms and prevent lateral movements of the frame portion during travel.

REFERENCES:
patent: 3821989 (1974-07-01), Lely et al.
patent: 3885633 (1975-05-01), Lely et al.
patent: 4018170 (1977-04-01), Lely et al.

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