Drive mechanism for an electrophotographic apparatus for ensurin

Details Drive mechanism for an electrophotographic apparatus for ensurin Drive mechanism for an electrophotographic apparatus for ensurin

1993-03-30

1995-02-14

Braun, Fred L.

Photocopying

Contact printing

Light boxes

G03G 1514

Patent

active

053900103

ABSTRACT:
An electrophotographic apparatus is provided for forming an electrostatic latent image on a photosensitive device to form a composite image on an intermediate transfer device which is in turn transferred onto a transfer sheet. Power from one drive motor is first transmitted to the intermediate transfer side and then transmitted to the photosensitive device side so that both the photosensitive device and intermediate transfer device are driven by one drive motor. Thus, even if the peripheral speed of the intermediate transfer device temporarily varies due to the contacting and separating operations of a cleaning device and a transfer roller with respect to the intermediate transfer device, the rotational speeds of the intermediate transfer device and the photosensitive device always become equal to each other to prevent a deterioration of the image quality to be outputted.

REFERENCES:
patent: 4183658 (1980-01-01), Winthaegen
patent: 4788572 (1988-11-01), Slayton et al.
patent: 5132743 (1992-07-01), Bujese et al.
patent: 5196893 (1993-03-01), Nishise et al.
patent: 5208638 (1993-05-01), Bujese et al.

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