Image forming apparatus

Details Image forming apparatus Image forming apparatus

1988-03-02

1989-08-29

Braun, Fred L.

Photocopying

Including fiber optics

355260, 355296, G03G 1500, G03G 2100

Patent

active

048622125

ABSTRACT:
An image forming apparatus allows an image carrier, a developing unit and a cleaning device each having a different service life to be detachably mounted in a housing thereof. The developing and cleaning devices are rotatably supported to constitute an image forming unit. The image forming unit is detachably supported by a first rotatable body which is mounted to the apparatus housing. The image carrier is detachably supported by opposite side plates of the apparatus housing or by a second rotatable body which is supported by the apparatus housing to be rotatable independently of the first rotatable body. A positioning arrangement is provided for controlling the rotation of the developing and cleaning devices so that the image forming unit and the image carrier may be prevented from interfering with each other when the unit is moved toward and away from the image carrier.

REFERENCES:
patent: 3671119 (1972-06-01), Engel et al.
patent: 4376577 (1983-03-01), Okamoto
patent: 4460267 (1984-07-01), Ogawa
patent: 4583844 (1986-04-01), Honda
patent: 4760424 (1988-07-01), Ohba et al.

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