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S-shaped board unscrambler

  • US 6,401,906 B1
  • Filed: 01/22/2001
  • Issued: 06/11/2002
  • Est. Priority Date: 01/22/2001
  • Status: Expired due to Fees
First Claim
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1. An unscrambler to receive scrambled agglomerations of elongate boards, convey the boards upwardly and forwardly along an S-shaped curvilinear course to unscramble them and present the boards in an aligned array at an upper forward position, comprising in combination:

  • a frame having horizontal areal extent with a vertically lower rearward portion and a higher upstanding forward portion;

    a conveyor support supported by the frame, said conveyor support configured as a ruled surface having horizontal rulings defining an S-shaped curve in a vertical plane with a lower rearward horizontal portion interconnecting a medial forwardly and upwardly extending portion interconnecting a forward horizontal portion spacedly above the rearward portion defining at least two laterally spaced upwardly opening conveyor chain channels extending perpendicularly to the horizontal ruling lines of the conveyor support;

    a conveyor carried by the frame extending about the conveyor support with a conveying flight above the conveyor support and a return flight below the conveyor support, said conveyor having;

    link conveyor chains carried in the conveyor chain channel defined in the conveyor support, a laterally extending rearward drive shaft journaled on the frame and carrying spaced cogs to support the conveyor chains spacedly distant from the lower rearward portion of the conveyor support, a laterally extending forward shaft journaled on the frame carrying spaced cogs to support the conveyor chains at the upper forward portion of the conveyor support, and a plurality of elongate conveyor bars carried by the conveyor chains above the support surface to extend in spaced adjacency perpendicularly to the conveyor chains, and driving mechanism including means to synchronously drive the forward conveyor shaft and the rearward conveyor shaft in the same direction to create a pushing force on the lower rearward portion of the conveyor chains, and a pulling force on the upper forward portion of the conveyor chains to move the conveyor chains and positionally maintain them in the open top conveyor chain channels.

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