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Seed material dispensing system for an agricultural planter

  • US 5,740,746 A
  • Filed: 08/11/1995
  • Issued: 04/21/1998
  • Est. Priority Date: 08/11/1995
  • Status: Expired due to Term
First Claim
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1. A seed material dispensing system for a planter having a mobile frame with a plurality of row units mounted on the frame, said dispensing system comprising:

  • a main seed material storage unit adapted to be supported on said frame for holding a mass of seed material;

    an auxiliary seed material storage unit adapted to be mounted on each of said row units for holding a mass quantity of seed material substantially less than the mass quantity of seed material adapted to be held within said main seed material storage unit;

    a seed metering unit adapted to be arranged in seed material receiving relation with each auxiliary seed material storage unit to control the discharge of seed material therefrom;

    a delivery system extending between said main seed material storage unit and each auxiliary seed material storage unit to intermittently deliver seed material to each auxiliary seed material storage unit from said main seed material storage unit at a predetermined and controlled rate; and

    a sensing apparatus to control operation of said delivery system as a function of the of seed material held in at least one of said auxiliary seed material storage units.

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