Shank assembly for attaching an applicator knife to a tool bar

Details Shank assembly for attaching an applicator knife to a tool bar Shank assembly for attaching an applicator knife to a tool bar

A - Human Necessities

01

C

111/45, 97/76

A01C 23/02 (2006.01) A01B 61/04 (2006.01)

Patent

CA 1112110

ABSTRACT OF THE DISCLOSURE An applicator knife can be rigidly attached to the lower end of a rigid shank which is pivotably mounted at its upper end to a support member which is securely fixed to a tool bar to be drawn by a tractor. A narrow face of the shank faces in a forward direction. A spring arrangement between the shank and the support member permits the shank to pivot about its mounting when a predetermined force acts on the knife in a backward direction, permitting the knife to clear obstacles whilst being normally maintained at a desired depth in the ground. The applicator knife serves for supplying a gaseous, , liquid, or granular substance such as a fertilizer, insecticide, herbicide, or seed into the ground. The arrangement particularly facilitates effective fluid fertilization with anhydrous ammonia of possibly stoney ground without pre-tillage.

324849

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