High capacity tandem stack shuttle feeder module
AssigneeXerox Corporation
InventorWilliam D. Milillo
Life of this patent
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Abstract
A sheet feeding apparatus for feeding a stack of sheets in a direction of movement to a process station, including: an elevator tray for holding stacks of sheets; a feed head for picking up a sheet from the stack of sheets when a vacuum force; air knife for blowing air between individual sheets in the stack of sheets, the sheet feeding apparatus having a first mode of operation for feeding a single stack of sheets from the sheet tray and a second mode of operation for feeding first stack of sheets and a second stack of sheets from the elevator tray.
Claims14
A sheet feeding apparatus for feeding a stack of sheets in a direction of movement to a process station, comprising:
- an elevator tray for holding stacks of sheets;
- a feedhead for picking up a sheet from said stack of sheets when a vacuum force;
- air knife for blowing air between individual sheets in said stack of sheets,
- said sheet feeding apparatus having a first mode of operation for feeding a single stack of sheets from said sheet tray and a second mode of operation for feeding first stack of sheets and a second stack of sheets from said elevator tray.
A printing machine having a sheet feeding apparatus for feeding a stack of sheets in a direction of movement to a process station, comprising:
- an elevator tray for holding stacks of sheets;
- a feedhead for picking up a sheet from said stack of sheets when a vacuum force;
- air knife for blowing air between individual sheets in said stack of sheets,
- said sheet feeding apparatus having a first mode of operation for feeding a single stack of sheets from said sheet tray and a second mode of operation for feeding first stack of sheets and a second stack of sheets from said elevator tray.
Dependencies are inferred from the claim text.