Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1993-11-19
1994-06-14
Bollinger, David H.
Sheet feeding or delivering
Feeding
By means to convey sheet
271274, 271204, 271270, 271202, B65H 502
Patent
active
053203410
ABSTRACT:
A document transport system for transporting and selectively recirculating relatively large documents through a processing station. In accordance with this invention, a transport is provided which has a defined endless document path. A gripper bar is provided for selectively and releasably securing the leading edge of large documents, and a driven chain is also provided for supporting and moving the gripper bar at a predetermined imaging speed through an imaging station. Further, drive rollers are provided proximate the imaging station to urge documents in the document path through the imaging station at the predetermined imaging speed. The invention also includes control apparatus for halting the gripper bar at a first position downstream from the processing station to enable release of documents from the gripper bar and at a second position upstream from the processing station to enable selective insertion and retention of documents in the gripper bar. Finally, the chain also recirculates the gripper bar from the first position to the second position at a rate substantially faster than the imaging speed to enable rapid recirculation of documents for imaging and rapid insertion of a new document for imaging after release of a previously imaged document.
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Pease Donald L.
Tracy Michael J.
Bollinger David H.
Xerox Corporation
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