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Air seeder/fertilizer apparatus having metering means and distribution manifold with selectively openable ports

  • US 7,555,990 B2
  • Filed: 06/21/2008
  • Issued: 07/07/2009
  • Est. Priority Date: 09/21/2007
  • Status: Active Grant
First Claim
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1. An agricultural implement for injecting at least one type of particulate material namely seed, fertilizer, or inoculant into soil, adapted to travel over an area of ground having both seeded portions which have had said particulate material injected therein and unseeded portions of ground which have not had said particulate material injected therein, and to inject said particulate material only into said unseeded portions of ground, comprising;

  • a plurality of soil-engaging members and associated raising means, each raising means when actuated adapted to raise an associated soil-engaging member from a lowered operating position where said soil-engaging member engages soil to a raised inoperative position;

    a plurality of material-dispensing means for receiving said particulate material and dispensing said particulate material into furrows created by said soil-engaging members;

    a metering means for dispensing said particulate material at a metered rate;

    a distribution manifold, having;

    (i) an inlet port for receiving metered particulate material from said metering means;

    (ii) a plurality of outlet ports, and(iii) valve means on each of said plurality of outlet ports to permit selected opening and closing of said plurality of outlet ports;

    said metering means dispensing said particulate material to said distribution manifold at said metered rate proportional to a rate of travel of said implement over the ground.

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