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Vertically shiftable conveyor device

  • US 3,876,059 A
  • Filed: 06/25/1973
  • Issued: 04/08/1975
  • Est. Priority Date: 06/29/1972
  • Status: Expired due to Term
First Claim
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1. A bucket conveyor device, comprising guide means defining a vertical guideway, a conveyor roller support frame movable along said guideway and carrying an upper endless conveyor guide roller adjacent its upper end at at least one lower endless conveyor guide roller adjacent its lower end, conveyor guide roller means carried on said guide means, an endless conveyor guided over said upper and lower conveyor rollers and over said guide roller means, a plurality of open topped buckets connected to said endless conveyor adjacent their tops at spaced locations along the length of said conveyor, said guide roller means including a series of spaced rollers guiding said endless conveyor including a reverse guide roller adjacent the upper conveyor roller guiding said endless conveyor on a side thereof opposite to the side which is engaged by said upper conveyor roller and positioned so as to direct said endless conveyor with the associated buckets through a downward path to dump said buckets, a supporting structure adapted to be moved alongside a carrier loading space, a support arm having an end pivoted to said support structure, a mast carried by said support structure and having a traction member connected therefrom to said outer end of said support arm, said guide means including a guide member carried by said support arm and defining said vertical guideway.

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