发明名称 |
Transfer device and image forming apparatus |
摘要 |
An endless belt is supported by a plurality of rollers. A transfer roller comes in contact with an outer surface of the belt to form a transfer nip. An auxiliary member makes contact with a recording medium on an upstream side of the transfer nip in a movement direction of the belt, to cause the recording medium to be in close contact with the outer surface of the belt. A bias applying unit applies to the auxiliary member a bias for electrostatically transferring a toner adhered to the auxiliary member to the outer surface of the belt.
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申请公布号 |
US7869751(B2) |
申请公布日期 |
2011.01.11 |
申请号 |
US20080135460 |
申请日期 |
2008.06.09 |
申请人 |
RICOH COMPANY, LIMITED |
发明人 |
ADACHI TOMOYA;YAMASHITA TAKESHI;MIYAZAKI TAKAFUMI;MEGURO YUUJI |
分类号 |
G03G15/00;G03G15/16;G03G15/20;G03G21/00 |
主分类号 |
G03G15/00 |
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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