Image recording apparatus with rolled protective cover for proce

Details Image recording apparatus with rolled protective cover for proce Image recording apparatus with rolled protective cover for proce

1992-04-22

1993-07-27

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355211, G03G 1500

Patent

active

052314537

ABSTRACT:
One unit type processing unit to be assembled in a laser printer for facilitating replacement work. The processing unit houses therein a photosensitive drum with a part being exposed, a charging unit, a developing unit and cleaning unit. The processing unit is also provided with a flexible protective cover for covering the exposed area of the photosensitive drum when an upper frame of the laser printer is opened. The protective cover can be rolled into a compact configuration and is positioned in a dead space at a position beside the exposed area when the cover is moved away from the exposed area and when the upper frame is closed for printing operation. The rolled cover is stretchable to cover the exposed area when the upper frame is opened.

REFERENCES:
patent: 4462677 (1984-07-01), Onoda
patent: 4470689 (1984-09-01), Nomura et al.
patent: 4829334 (1989-05-01), Takamatsu et al.
patent: 5061959 (1991-10-01), Kinoshita et al.

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