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Bed scraping apparatus for efficient bulk material dumping

  • US 7,918,638 B1
  • Filed: 01/23/2009
  • Issued: 04/05/2011
  • Est. Priority Date: 01/23/2008
  • Status: Active Grant
First Claim
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1. Apparatus comprising:

  • a transportation vehicle including a vehicle frame,a dump body on said vehicle frame and configured to be lifted at one end from said vehicle frame, with a dump opening at an opposite end of said dump body, said dump body further comprising a floor;

    a scraper assembly longitudinally movable along said floor, and,at least one first pivoting connection on said scraper assembly,at least one second pivoting connection on said vehicle frame,at least one link between said first pivoting connection and said second pivoting connection, said link further comprising a first stop positioned on said link at a point of partial inclination of said dump bed to automatically urge said scraper assembly to begin a scraping stroke along said floor toward said dump opening, with further inclination of said dump body beyond said point of partial inclination pulling said scraper assembly toward said dump opening, thereby scraping material floor free of undumped or clumped said material.

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