Electrophotography – Image formation – Development
Patent
1999-05-28
2000-10-24
Royer, William J.
Electrophotography
Image formation
Development
G03G 1501
Patent
active
061379751
ABSTRACT:
A developing device is provided with developing unit covers mounted on opening portions of developing units through which developing rollers are exposed to close the opening portions. Due to such a construction, even when the developing units receive the vibration or the impact of falling during the course of transportation of an image forming apparatus on which the developing device is mounted, the overflow of a developer through the opening portion can be prevented.
REFERENCES:
patent: 4460267 (1984-07-01), Ogawa
patent: 5153659 (1992-10-01), Maiefski et al.
patent: 5353098 (1994-10-01), Lim
Awano Toyohiko
Harumoto Katsumi
Maeda Tetsuro
Nakaya Shigemasa
Uchida Toshio
Fuji 'Xerox Co., Ltd.
Royer William J.
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