Photocopying – Contact printing – Light boxes
Patent
1991-03-28
1993-09-07
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355200, 355210, G03G 500
Patent
active
052433846
ABSTRACT:
A module adapted to be mounted removably in a printing machine. The module has a photoconductive belt entrained about a plurality of rollers mounted on a frame. One of the rollers is movable between a non-operative position, in which the space between the rollers is reduced, and an operative position, in which the space between the rollers is increased. A charging station and a cleaning station are mounted on the frame of the module adjacent the photoconductive belt. When one of the rollers is in the non-operative position, a cover covers at least the photoconductive belt. The cover has an insert about which a portion of the photoconductive is wrapped. The insert supports the photoconductive belt in a non-tensioned condition external to the printing machine.
REFERENCES:
patent: 4279496 (1981-07-01), Silverberg
patent: 4470690 (1984-09-01), Hoffman
patent: 4563077 (1986-01-01), Komada
patent: 4616920 (1986-10-01), Itoigawa et al.
patent: 4626095 (1986-12-01), Berger
patent: 4657369 (1987-04-01), Takeuchi
patent: 4739371 (1988-04-01), Ray et al.
Everdyke Wayne D.
Jackson Mark S.
Beck J. E.
Fleischer H.
Grimley A. T.
Lee Shuk Y.
Xerox Corporation
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