Fertilizer applicator knife assembly

Details Fertilizer applicator knife assembly Fertilizer applicator knife assembly

1981-03-16

1982-10-26

Johnson, Richard J.

Planting

Liquid or gas soil treatment

Hand manipulated

172699, A01C 2302

Patent

active

043555896

ABSTRACT:
A fertilizer applicator knife assembly which includes a shank having a leading edge and a trailing edge, an earth cutting wear insert mounted on the leading edge of the blade shank, an elongated fertilizer tube secured at spaced intervals to the trailing edge of the shank and including an end secured to the shank near one end thereof and on the opposite side of the shank from the wear insert, and a tube protective spacer inserted between the tube and shank adjacent the end of the tube secured to the shank, and receiving the tube in a slot formed therein extending parallel to the axis of the tube.

REFERENCES:
patent: 2598121 (1952-05-01), Hannibal
patent: 2904119 (1959-09-01), Hunter
patent: 2924187 (1960-02-01), Zimmerman
patent: 3092052 (1963-06-01), Andersen
patent: 3188989 (1965-06-01), Johnston
patent: 3259087 (1966-07-01), Horton
patent: 3854429 (1974-12-01), Blair
patent: 4132181 (1979-01-01), Smith
patent: 4201142 (1980-05-01), Stump
Adams Hard-Facing Company, Inc.-NH3 Knife-AA6, Jan. 1, 1979.

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