Coulter and fertilizer applicator linkage arrangement

Details Coulter and fertilizer applicator linkage arrangement Coulter and fertilizer applicator linkage arrangement

1989-07-07

1990-08-14

DeMille, Danton D.

Planting

Liquid or gas soil treatment

Drilling machines

111123, 111167, 111927, 172166, 172710, A01C 2302, A01B 3528

Patent

active

049477706

ABSTRACT:
A parallel linkage arrangement for supporting a coulter disc and liquid fertilizer applicator on an agricultural tool bar such that the coulter disc and the fertilizer applicator maintain the same relative relationship to the ground regardless of vertical travel of the coulter disc or the applicator.

REFERENCES:
patent: 2713299 (1955-07-01), Shager et al.
patent: 3319589 (1967-05-01), Moran
patent: 3331341 (1967-07-01), Hartwig
patent: 4628840 (1986-12-01), Jacobson
patent: 4656957 (1987-04-01), Williamson et al.

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