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Apparatus for depositing seed and fertilizer

  • US 5,331,907 A
  • Filed: 05/20/1992
  • Issued: 07/26/1994
  • Est. Priority Date: 05/20/1992
  • Status: Expired due to Term
First Claim
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1. A seeding apparatus for applying seed and fertilizer to the ground comprising in combination, a frame means including a central frame, a first wing frame pivotally connected to a first side of said central frame, a second wing frame pivotally connected to a second side of said central frame, a seed supply means mounted on said central frame, a fertilizer supply means mounted on said central frame, wheels attached to said central frame and to said first and second wing frames to support and assist in transporting said seeding apparatus over the ground, a fluid pressure source means mounted on said frame means, frame biasing means pivotally connected to said central frame and to said first and second wing frames and operated by said fluid pressure source means to groundwardly bias said first and second wing frames simultaneously and to pivot said first and second wing frames to a substantially vertical position for travel, a combination adjustable pressure and release valve connected to said fluid pressure source and to said frame biasing means for controlling fluid flow between said fluid pressure source means and said frame biasing means, multiple seed row assemblies separately pivotally connected to said central frame and to said first and second wing frames to deposit and pack seed from said seed supply means and fertilizer from said fertilizer supply means in the ground, each seed row assembly of said multiple seed row assemblies including a frame mounting means, an elongated draw arm pivotally connected to said frame mounting means, a ground engaging assembly fixed to said elongated draw arm, said ground engaging assembly including a mounting arm, a ground engaging seed dispensing means adjustably mounted thereon, a ground engaging fertilizer dispensing means pivotally mounted thereon so that it pivots relative to said seed dispensing means and a laterally adjustable packing and depth gauge means rotatably mounted thereon, a seed row fluid biasing means included in each seed row assembly and pivotally connected to said frame mounting means and to said ground engaging fertilizer dispensing means to operatively bias said seed row assembly groundwardly, a further combination adjustable pressure and release valve connected to and controlling fluid flow between, said fluid pressure source means and said seed row fluid biasing means, a seed conveying means and a fertilizer conveying means carrying seed and fertilizer to said ground engaging seed dispensing means and said ground engaging fertilizer dispensing means respectively from said seed supply means and said fertilizer supply means whereby optimum seed and fertilizer ground depth and placement are achieved while maintaining a uniform and adequate packing pressure.

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