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Dump truck stone slinger

  • US 5,190,432 A
  • Filed: 09/24/1991
  • Issued: 03/02/1993
  • Est. Priority Date: 09/06/1991
  • Status: Expired due to Fees
First Claim
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1. A material delivery attachment for a vehicle having a wheeled, elongated chassis, a dump body pivotally connected to said chassis, means for pivotally moving said dump body between a lowered travelled position and an elevated dump position, and movable gate means in said dump body, said attachment means comprising:

  • swing arm means for pivotal connection at a first end thereof to said chassis;

    elongated frame means pivotally connected at one end thereof to a second end of said swing arm means;

    means for independently moving said swing arm means and said frame means about a respective pivot axis to move said frame means from or to a stowed position adjacent said chassis to or from a working position extending away from said vehicle, said frame means carrying independently operable conveyor means and drive means therefor for moving material discharged from said dump body through said gate means to a desired location remote from said vehicle adjacent the other end of said frame means;

    a generally vertically extending bushing at said second end of said swing arm means;

    a shaft receivable in said bushing;

    a large diameter first sprocket and a yoke member connected to an upper end of said shaft with said frame means being pivotally mounted within said yoke member;

    a small diameter second sprocket connected below a lower edge of said swing arm means to a shaft of a first motor means mounted on said swing arm means;

    an intermediate diameter third sprocket connected to a lower end a vertically extending idler shaft bearingly mounted on said swing arm means;

    a first chain member drivingly interconnecting said second and third sprockets;

    a small diameter fourth sprocket connected to an upper end of said idler shaft; and

    a second chain member drivingly interconnecting said fourth and first sprockets.

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