Photocopying – Contact printing – Light boxes
Patent
1991-12-24
1992-12-01
Grimley, A. T.
Photocopying
Contact printing
Light boxes
118645, 355245, G03G 1501
Patent
active
051683199
ABSTRACT:
A rotary developing device for color image forming equipment has a plurality of developing units around a common rotary shaft and rotates the developing units about the common shaft to bring any one of them to a developing position. A drive connecting and disconnecting device in the form of a clutch is provided integrally with each developing unit and sets up and interrupts drive transmission from a drive source to only one of the developing units.
REFERENCES:
patent: 3987756 (1976-10-01), Katayama et al.
patent: 4622916 (1986-11-01), Tanaka et al.
patent: 4792825 (1988-12-01), Saito et al.
Kimura Noriyuki
Suzuki Minoru
Grimley A. T.
Ricoh & Company, Ltd.
Stanzione P. J.
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