Fertilizer applying knife assembly

Details Fertilizer applying knife assembly Fertilizer applying knife assembly

A - Human Necessities

01

C

111/29

A01C 5/00 (2006.01)

Patent

CA 1080554

ABSTRACT Disclosed is a fertilizer knife assembly capable of being connected to an agricultural implement and operative for flow of fertilizer into a furrow opened by the knife assembly. A wear point of cast chrome alloy iron has a leading portion and a shoe portion in engagement with and secured by welding to a leading edge and a free end respectively of an elongated shank capable of being connected to an agricultural implement. An elongated fertilizer tube is positioned adjacent a trailing edge of the shank and has one end portion thereof secured to a trailing end of the shoe portion of the wear point. An elongated shield is spaced from and surrounds an exterior sur- face of the fertilizer tube and has opposite side edges there- of secured to the shank trailing edge by hard facing welding in a manner to protect the fertilizer tube and define an air space surrounding the same.

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