Sheet material handling apparatus and method having a pivotable hopper and bottom feeder
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United States of America Patent
Stats
-
Dec 15, 1992
Issued Date -
N/A
app pub date -
Jun 25, 1991
filing date -
Oct 24, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sheet material handling apparatus includes a container handling assembly which is operable to sequentially position containers at an unloading station. An unloader assembly is operable to remove stacks of sheet material from containers at the unloading station. The unloader assembly includes a lift assembly which is operable to engage a stack of sheet material disposed in a container and to lift the stack of sheet material upwardly through an open lower end portion of an upright hopper. Once the stack of sheet material has been moved into the hopper, the hopper and the stack of sheet material are moved to a tilted orientation. As the hopper moves to the tilted orientation, the hopper moves the stack of sheet material along an upwardly inclined ramp into engagement with a sheet material feed assembly. The sheet material feed assembly sequentially feeds sheet material from the lower end portion of the tilted stack of sheet material.
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