Importance

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Abstract

A row marker featuring tandem cutting discs, each with convex and concave surfaces, which are disposed to present the convex surfaces to opposite sides of a cutting line. The disc's cutting edges are rotatably adjustable, either individually or as a pair, whereby they can be rotated to widen or narrow the furrow if desired. The cutting edges are set to cut along the same line or overlap slightly at their deepest points. The trailing disc cuts the earth to a deeper point than the lead disc. The depth of the marker furrow can be varied by adjusting a forwardly disposed ground wheel. An extension arm connects the tandem cutting discs to a planter at a selected distance to provide the precise location of the marker furrow. An adjustable joint allows realignment of the cutting edges to insure contact with the soil in a true vertical position when extension arm length is altered.

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First Claim