Reproducing machine

Details Reproducing machine Reproducing machine

1985-07-03

1986-09-09

Braun, Fred L.

Photocopying

Including fiber optics

355 3R, 355 16, G03G 1514, G03G 1522

Patent

active

046105263

ABSTRACT:
An electrophotographic reproducing machine having a photoconductive belt, a fixed platen for supporting an original document, and a translatable carriage having, fixedly mounted thereon in fixed relation to each other, a corona generating device for charging the belt, a document scanner for scanning the document on the platen and producing a latent image thereof on the belt, a transfer device for transferring the latent image from the belt to a dielectric sheet, and a roller about which the belt is entrained. One end of the belt is held, so that, as the carriage is translated, the belt is charged and the document is scanned and a latent image is formed onto the stationarily held portion of the precharged belt near the carriage roller. The other end of the belt is attached to a takeup roll which keeps the belt taut around the carriage roller as the carriage moves in the scanning direction. The portion of the belt with the latent image increments travels around the roller and past the transfer device, while the unimaged portion of the belt remains stationary. A dielectric sheet is fed to the transfer device in register with the latent image on the belt whereat the latent image is transferred thereto. When the document has been fully scanned and imaged on the belt, the carriage returns to scan the same or another document. During the return, the takeup roll dispenses the belt while maintaining it taut about the carriage roller.

REFERENCES:
patent: 3574455 (1971-04-01), Mix et al.
patent: 3771866 (1973-11-01), Ogawa
patent: 3843252 (1974-10-01), Tanaka et al.
patent: 3867027 (1975-02-01), Weigl
patent: 4068936 (1978-01-01), Kushima et al.

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