发明名称 |
Developing device, process cartridge and image forming apparatus |
摘要 |
In accordance with the present invention, a transparent or semitransparent window is formed in a developing device or a process cartridge to allow one to see the inside of the developing device via the window from the outside. The window may preferably be formed in the top wall of the developing unit or that of the process cartridge.
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申请公布号 |
US7366431(B2) |
申请公布日期 |
2008.04.29 |
申请号 |
US20050220602 |
申请日期 |
2005.09.08 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
EHARA YASUHISA;YOSHIZAWA HIROSHI |
分类号 |
G03G21/18;G03G15/01;G03G15/08 |
主分类号 |
G03G21/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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