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Furrow opener for seeder

  • US 4,674,419 A
  • Filed: 04/04/1986
  • Issued: 06/23/1987
  • Est. Priority Date: 07/18/1984
  • Status: Expired due to Fees
First Claim
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1. An auxiliary furrow forming plate for an agricultural granular material applicator furrow opening shank include means for mounting the plate on a shank of a granular material applicator at a level adjacent the bottom of a main furrow formed by such shank when working, a major portion of said plate trailing such shank, said plate being below ground level when a shank on which the plate is mounted is at a working depth, said plate having wedge shaped side portions along opposite sides thereof, each wedge shaped side portion having a pair of wedge surfaces that converge downwardly and define edges where the converging surfaces meet that at least have portions that are laterally wider than a furrow opened by a shank mounting the plate, the defined edges being spaced downwardly from the main portion of the plate in rearward direction relative to direction of movement of the plate when working, one of the converging surfaces of each wedged shaped side portions facing a surface on the other wedge shaped side portion at a position below the plate, the first and second surfaces of each wedge shaped side portion diverging in rearward direction so the wedge shaped side portion are wider at their trailing ends, the wedge shaped side portions forming auxiliary furrows laterally of a shank on which the sealer plate is mounted at location below the ground, by packing the earth as the plate moves forwardly to provide a pair of firm beds at the rear of each of the wedge shaped side portions and into which granular material may be deposited.

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