发明名称 |
DEVELOPING CARTRIDGE AND PROCESS CARTRIDGE HAVING FIRST AND SECOND PROJECTED PORTIONS AND IMAGE FORMING APPARATUS MOUNTING SUCH A DEVELOPING CARTRIDGE |
摘要 |
A developing cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The apparatus includes: a frame; a developing device for developing an electrostatic latent image formed on an electrophotographic photosensitive member; a first projected portion engaging a first positioning portion provided in the main assembly of the apparatus when the cartridge is mounted to the main assembly to position the cartridge; a second projected portion engaging a second positioning portion provided in the main assembly when the cartridge is mounted to the main assembly to regulate rotation of the cartridge about the first positioning portion; and a cartridge guide member contacting a main assembly guide portion to guide the cartridge when the cartridge is mounted to the main assembly. The second projected portion is urged in a direction to contact the second positioning portion when the cartridge is set in the main assembly.
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申请公布号 |
US2005191091(A1) |
申请公布日期 |
2005.09.01 |
申请号 |
US20030668494 |
申请日期 |
2003.09.24 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
ISOBE HIRONOBU;YOSHINO YASUFUMI;YAMAGUCHI KOJI |
分类号 |
G03G21/18;G03G15/08;(IPC1-7):G03G15/04 |
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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