Photocopying – Contact printing – Light boxes
Patent
1988-04-25
1990-01-02
Prescott, A. C.
Photocopying
Contact printing
Light boxes
355271, 355274, G03G 1500
Patent
active
048916803
ABSTRACT:
An apparatus which transfers a developed image from a photoconductive surface to a copy sheet. The apparatus includes a corona generating device arranged to charge the copy sheet. This establishes a transfer field that is effective to attract the developed image from the photoconductive surface to the copy sheet. A sheet guide, adapted to have a portion thereof contiguous with the corona generating device, maintains the copy sheet substantially wrinkle free as it is being guided into contact with the photoconductive surface in the transfer field.
REFERENCES:
patent: 3620617 (1971-11-01), Kelly
patent: 3936174 (1976-02-01), Carpenter
patent: 4268157 (1981-05-01), Ebi et al.
patent: 4423951 (1984-01-01), Rightmyre
patent: 4801975 (1989-01-01), Kano et al.
patent: 4806967 (1989-02-01), Newbury
Gross Robert A.
Hogle James E.
Beck J. E.
Fleischer H.
Prescott A. C.
Xerox Corporation
Zibelli R.
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