High speed printer with dual alternate sheet inverters
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United States of America Patent
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-
Sep 17, 2002
Grant Date -
N/A
app pub date -
Dec 5, 2000
filing date -
Dec 5, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In high speed reproduction apparatus in which closely spaced printed sheets are sequentially fed downstream in a sheet path at a process velocity, a dual inverter system of two independent but cooperative sheet inverters is sheet control gated to receive alternate sheets from the sheet path for inversion in the alternate independent sheet inverters. These dual alternate sheet inverters may advantageously operate at substantially the same sheet velocity as the connecting sheet path, instead of the much higher speed and acceleration/deceleration typical of conventional single inverter systems. Yet the original collated sequential sheet order is maintained. The two independent but cooperative alternate sheet inverters may be operatively connected in series spaced along the sheet path to be alternatingly fed alternate sheets from the sheet path by separate gates and to return sheets to the same sheet path at different locations, or, connected in parallel with the sheet path by a single decision gate.
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