Importance

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Abstract

A planting unit utilizing a single disk opener supported for rotation about a horizontal axis offset at a small angle from the transverse direction for opening a furrow. A seed tube assembly is located adjacent the rearward facing side of the disk and includes a runner extending forwardly of the lower portion of the seed tube for holding loose soil out of the furrow in advance of seed or other material deposited therein, the runner being located in the shadow of the disk so as not to significantly contact or disturb the side of the furrow. The opener is mounted on an arm which is pivotable about a relatively low point so as to be oriented at a relatively flat angle with respect to the ground and to maintain the general orientation of the opener as it moves through the soil throughout the range of pivotal movement of the arm. The planting unit can include one or more pivotable press wheels which can be mounted for pivotal movement about the same axis as a pivotable gauge wheel adjusting arm. The press wheels preferably include a relatively narrow first press wheel which travels in the bottom of the furrow for firmly pressing seed or other material into the bottom of the furrow, and a second press wheel having a double beveled edge that can be adjustably positioned and oriented for precise placement of soil into covering relation to the seed or other material.

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First Claim