Recorders – Record receiver deforming
Patent
1979-05-07
1980-12-02
Sewell, Paul T.
Recorders
Record receiver deforming
101382MV, 271 4, 271276, 271312, 346134, 400126, 400644, B65H 706, H04N 122, G01D 1516
Patent
active
042374669
ABSTRACT:
An ink jet printer includes a rotatable support for supporting a sheet of paper. The support defines an interior vacuum chamber and a plurality of vacuum openings in the surface thereof which communicate with the vacuum chamber. A rotary drive rotates the support and a vacuum source is provided for partially evacuating the vacuum chamber. A paper supply adjacent the rotatable support, loads a sheet of paper onto the rotatable support. An ink jet print head is mounted adjacent the rotatable support for printing on a sheet of paper supported thereon. A sheet diverter is positioned adjacent the rotatable support between the ink jet print head and the paper supply for stripping sheets of paper from the rotatable support when the sheets are not firmly supported thereon. A paper sensor is mounted adjacent the rotatable support, intermediate the sheet diverter and the ink jet print head, for inhibiting operation of the ink jet print head when a sheet of paper is diverted by the paper diverter. The rotatable support comprises a cylindrical paper supporting drum which defines the vacuum openings, which openings are positioned about the periphery of the drum. A leading edge engaging area on the drum periphery is defined by a number of the vacuum openings, with the openings in the leading edge engaging area providing a sheet attracting suction to each sheet adjacent the leading edge of the sheet as the sheet is loaded onto the drum.
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Sewell Paul T.
The Mead Corporation
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