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Material transfer apparatus

  • US 4,987,992 A
  • Filed: 01/09/1989
  • Issued: 01/29/1991
  • Est. Priority Date: 01/09/1989
  • Status: Expired due to Fees
First Claim
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1. A material transfer apparatus, comprising a supporting structure, a pair of flexible drive members mounted to move in parallel paths of travel, at least one carrier having a supporting surface to support an article to be transferred, means for journaling opposed ends of the carrier on said drive members for free rotation about a horizontal axis, said supporting surface being cantilevered outwardly from said axis, operating means for driving the drive members and corresponding moving said carrier in a path of movement including a generally upward run and a generally downward run, guide means on the supporting structure and disposed to be engaged by the carrier as the carrier moves in its path of movement, said guide means being constructed and arranged to maintain the supporting surface in a generally horizontal attitude as said carrier moves in said path of movement, feeding means for feeding an article onto said supporting surface as said carrier moves in the upward run, discharge means for discharging the article from the supporting surface as the carrier moves in the downward run, said discharge means comprising a pair of discharge conveyors disposed at different vertical levels, said discharge conveyor comprising a main conveyor section and a second conveyor section pivotally connected to said main section, each second conveyor section being movable from a first position where it is disposed in the path of travel of said carrier as the carrier moves in said downward run to a second position where said second conveyor section is out of said path of travel, and means for selectively moving each second conveyor section from the first to the second position.

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