Earth working – Plural relatively movable tools – Spring formed tool or standard
Patent
1983-02-28
1985-06-04
Stouffer, Richard T.
Earth working
Plural relatively movable tools
Spring formed tool or standard
172421, 172451, 172656, 172688, A01B 3902, A01B 3918
Patent
active
045208778
ABSTRACT:
A cultivator designed to dig up weeds from between rows of crop. The structure of the cultivator is unified with a laterally extended front bar that carries digging tines that dig up weeds along each side of the row of crop of a number of rows at one time. A rear bar is spaced from and in parallel relationship with the front bar and carries digging tines that dig up weeds down the center of the rows. The structure is mounted to a tractor, and depth controlling wheels, supported on the ground during operation, determine in part the depth of penetration of the tines into the ground.
REFERENCES:
patent: 2862341 (1958-12-01), Miller
patent: 3081567 (1963-03-01), Saul
patent: 3135339 (1964-06-01), Fry et al.
patent: 3312290 (1967-04-01), Abbott
patent: 3403737 (1968-10-01), Byrd
patent: 3698489 (1972-10-01), Norrell et al.
patent: 4350211 (1982-09-01), Coufal
patent: 4406329 (1983-09-01), Schlueter
Harrington Robert L.
Stouffer Richard T.
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