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Air fertilizer spreader

  • US 4,767,062 A
  • Filed: 02/17/1987
  • Issued: 08/30/1988
  • Est. Priority Date: 06/14/1985
  • Status: Expired due to Fees
First Claim
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1. An air fertilizer spreader system comprising:

  • a truck having a truck chassis means, a motor means, and a truck cab located on a forward portion of said truck chassis means;

    fertilizer hopper means adapted to hold solid fertilizer particles located on a rear portion of said truck means;

    right and left pivotally mounted boom means positioned between said fertilizer hopper means and said truck cab;

    each of said right and left pivotally mounted boom means including a corresponding one of right and left pivot means, and means and first tube means;

    each of said right and left first tube means extending between a corresponding one of said right and left pivot means and end means;

    said right and left pivotally mounted boom means each having a stowed position and an outward position, whereby said each of said right and left boom means swings outwardly about its corresponding pivot means from a rear position of said truck chassis;

    transfer means for transferring fertilizer from said hopper means to said right and left pivotally mounted boom means for subsequent spreading; and

    said transfer means including second tube means communicating with said first tube means for conveying fertilizer to said first tube means and a source of air under sufficient pressure communicating with said second tube means for moving said solid fertilizer particles into said first tube means at a sufficient velocity to maintain a fluidized mass of air and fertilizer particles.

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