Tine cultivator

Details Tine cultivator Tine cultivator

1975-11-19

1977-07-26

Marlo, George J.

Earth working

With drive means for tool or cleaner

Plural driven tools

172713, 172770, A01B 3300

Patent

active

040376699

ABSTRACT:
A cultivator or rotary harrow has rotatable soil working members with tines that are driven to rotate about upwardly extending axes. Each tine has a fastening portion that is secured to a support, and a lower soil working portion. In one embodiment, the center lines of the two portions substantially coincide. Alternatively, the lower part of the soil working portion can be an offset straight part that extends outwardly or the lower part can be curved outwardly with respect to the remainder of the soil working portion. The opposite sides of the lower part of the soil working portion gradually flattens and broadens towards the lowermost tip.

REFERENCES:
patent: 289260 (1883-11-01), Herrmann
patent: 510143 (1893-12-01), Kelsey et al.
patent: 985871 (1911-03-01), Whipps
patent: 1033574 (1912-07-01), Freeman
patent: 3200892 (1965-08-01), Andersen
patent: 3809166 (1974-05-01), VAN DER Lely et al.
patent: 3943999 (1976-03-01), VAN DER Lely et al.

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