Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1975-01-13
1977-10-11
Marlo, George J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172253, 172776, A01B 3306
Patent
active
040530191
ABSTRACT:
A cultivator is provided having a single supporting structure to which can be operatively connected one, or a pair, of a plurality of groups of rotary soil working members that include groups which preferably have at least two different working widths, whereby the cultivator may be used to work a strip of land having any chosen one of a number of different possible widths.
REFERENCES:
patent: 2651246 (1953-09-01), Peters et al.
patent: 2654198 (1953-10-01), Ryan
patent: 3202221 (1965-08-01), Monk et al.
patent: 3511318 (1970-05-01), Boetto et al.
patent: 3530944 (1970-09-01), Spell
patent: 3638539 (1972-02-01), Lewis
patent: 3713494 (1973-01-01), Berdrin
patent: 3821989 (1974-07-01), VAN DER Lely et al.
patent: 3885633 (1975-05-01), VAN DER Lely et al.
C. van der Lely N. V.
Marlo George J.
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