Photocopying – Contact printing – Light boxes
Patent
1990-09-11
1992-06-02
Grimley, A. T.
Photocopying
Contact printing
Light boxes
3461601, 355200, 355210, 355326, G03G 500
Patent
active
051191342
ABSTRACT:
A color image forming apparatus wherein a belt-shaped image retainer faces an image forming device. The image forming device includes a charging device, exposure device and a plurality of developing devices which are juxtaposed with each other. The belt-shaped image retainer is in the form of a cartridge which is mounted removably in the apparatus body. The cartridge has a closable cover divided into several sections which are arranged at the positions facing the image device. The belt-shaped image retainer has a transversely movable shutter member for protecting spaced apart surface portions of the image retainer which would be otherwise exposed when the upper casing of the apparatus body is opened or when the image retainer is removed from the upper casing, by moving the shutter member transversely to cover the spaced apart exposed surface portions of the image retainer.
REFERENCES:
patent: 4588280 (1986-05-01), Ogawa et al.
patent: 4796037 (1989-01-01), Takada et al.
patent: 4829334 (1989-05-01), Takamatsu et al.
patent: 4839692 (1989-06-01), Shoji et al.
patent: 4937635 (1990-06-01), Paxon et al.
patent: 5063411 (1991-11-01), Haneda et al.
patent: 5065195 (1991-11-01), Haneda et al.
Fukuchi Masakazu
Haneda Satoshi
Matsuo Shunji
Morita Shizuo
Barlow Jr. J. E.
Grimley A. T.
Konica Corporation
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