发明名称 |
Filter assembly for collecting used toner of electrophotographic copying machine |
摘要 |
A filter assembly for use in an electrophotographic copying machine to collect used toner which is swept off a member carrying an electrostatic latent image, by means of a rotating brush comprises a filter unit having a toner receiver and a filter holder which are integrally formed together. The filter holder carries a filter element or elements therein, and the toner receiver allows the toner which falls down in front of the filter element to form a pile thereon. The unit is detachably mounted on the copying machine. A labyrinth seal is formed between the unit and the machine when the unit is mounted in place.
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申请公布号 |
US4295734(A) |
申请公布日期 |
1981.10.20 |
申请号 |
US19790104444 |
申请日期 |
1979.12.17 |
申请人 |
OLYMPUS OPTICAL COMPANY LTD. |
发明人 |
TSUDA, HIROSHI;MIYASHITA, KIYOSHI;NISHIKAWA, MASAJI;SHIMIZU, AKIRA;KASUGA, MUNEO |
分类号 |
A47L9/10;G03G21/00;G03G21/10;(IPC1-7):G03G15/00 |
主分类号 |
A47L9/10 |
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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