Liquid fertilizer applicator

Details Liquid fertilizer applicator Liquid fertilizer applicator

1985-10-23

1987-04-14

Johnson, Richard J.

Planting

Liquid or gas soil treatment

Hand manipulated

172166, 172763, A01D 2302

Patent

active

046569570

ABSTRACT:
A liquid fertilizer applicator is provided, designed to be pulled by a motive power source, for use in a variety of soil and tillage conditions. It includes a disc-shaped coulter and an associated applicator knife mounted in trailing relation to the coulter, with a feed tube fixed to the rear of the knife. The leading edge of the arcuate knife conforms to and lies in close proximity to the outer periphery of the coulter disc. An alternative arrangement includes a knife with an angled lower facing edge and a heel extension to protect the feed tube opening.

REFERENCES:
patent: 562755 (1896-06-01), Banwarth
patent: 2001003 (1935-05-01), Tuft
patent: 2489385 (1949-11-01), Paul
patent: 3188989 (1965-06-01), Johnston
patent: 3237577 (1966-03-01), Wilkins
patent: 3292562 (1966-12-01), Clark
patent: 3319589 (1967-05-01), Moran
patent: 3799079 (1974-03-01), Dietrich
patent: 4466364 (1984-08-01), Hassenfritz
patent: 4538532 (1985-09-01), Coker

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