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Combination cultivator and chemical applicator

  • US 5,520,125 A
  • Filed: 11/02/1994
  • Issued: 05/28/1996
  • Est. Priority Date: 11/02/1994
  • Status: Expired due to Term
First Claim
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1. A combination tillage and chemical applicator structure for an implement having a transversely extending frame member adapted for forward movement over the soil for cultivating the soil and applying a chemical beneath the surface of the soil, the structure comprising:

  • a disk;

    tool support structure connected to the frame member and vertically movable with respect to the frame member;

    a disk support connected to the tool support structure and adjustable vertically with respect to the tool support structure, the disk support supporting the disk for rotation in the soil to cut an opening in the soil in an area around the disk;

    an adjustable depth control connected to the tool support structure for maintaining the disk at a preselected operating depth;

    a chemical tool connected to the disk support and supported immediately behind the disk for movement through the area and depositing a chemical in the area at a depth dependent on the preselected operating depth of the disk and the vertical adjustment of the disk support relative to the tool support structure;

    wherein the chemical tool is vertically adjustable with the disk support to thereby facilitate simultaneous adjustment of the chemical tool and the disk with respect to the tool support structure; and

    sealing structure supported behind the chemical tool and sealing the deposited chemical.

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