Image forming apparatus and process unit detachably mountable th

Details Image forming apparatus and process unit detachably mountable th Image forming apparatus and process unit detachably mountable th

1983-08-10

1986-05-13

Moses, R. L.

Photocopying

Including fiber optics

G03G 1500

Patent

active

045882800

ABSTRACT:
A process unit detachably mountable into an image forming apparatus has all or a part of image forming process means, and an image forming apparatus using the same. The process unit includes an image bearing member, process devices actable on the image bearing member a casing for containing the image bearing member and process devices, the casing being provided with an aperture for allowing the image bearing member to be exposed to light, and a cover movable between a closing position wherein the cover closes the aperture and a retracted position wherein the cover is retracted from the closing position, in response to mounting of the unit into, and demounting of the unit, from the image forming apparatus. The image forming apparatus may have a device for moving the cover in response to the mounting or demounting of the unit.

REFERENCES:
patent: 3985436 (1976-10-01), Tanaka et al.
patent: 4270856 (1981-06-01), Goida
patent: 4462677 (1984-07-01), Onoda
patent: 4470689 (1984-09-01), Nomura et al.

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