High capacity tandem stack shuttle feeder module
AssigneeXerox Corporation
InventorWilliam D Milillo
Life of this patent
Estimating the term…
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.
Claims12
A sheet feeding apparatus for feeding a stack of sheets in a direction of movement to a process station, comprising:
- a common elevator tray for holding a first stack of sheets and a second stack adjacent to said first stack of sheets;
- a feedhead for picking up a sheet from either said first stack of sheets or said second stack said sheet feeding apparatus having a first mode of operation for picking up sheets solely from said first stack of sheets and a second mode of operation for picking up sheets from both said first stack of sheets and said second stack of sheets.
A printing machine having a sheet feeding apparatus for feeding a stack of sheets in a direction of movement to a process station, comprising:
- A common elevator tray for holding a first stack of sheets and a second stack adjacent to said first stack of sheets;
- a feedhead for picking up a sheet from either said first stack of sheets or said second stack;
- said sheet feeding apparatus having a first mode of operation for picking up sheets solely from said first stack of sheets and a second mode of operation for picking up sheets from both said first stack of sheets and said second stack of sheets.
Dependencies are inferred from the claim text.