发明名称 |
Toner particle-bearing roller with projection portion, developing device having such toner particle-bearing roller, and image forming apparatus having such developing device |
摘要 |
A developing device includes a toner particle-bearing roller that bears toner particles on its surface and develops a latent image borne by an image-bearing member with those toner particles, the toner particle-bearing roller has a projection portion disposed on its surface, the projection portion having a top surface having a flat portion, and a width of the top surface being equal to or more than a volume average particle diameter of the toner particles. |
申请公布号 |
US8086150(B2) |
申请公布日期 |
2011.12.27 |
申请号 |
US20060556041 |
申请日期 |
2006.11.02 |
申请人 |
YAMADA YOICHI;ARUGA TOMOHIRO;SAKURAI NOBORU;SEIKO EPSON CORPORATION |
发明人 |
YAMADA YOICHI;ARUGA TOMOHIRO;SAKURAI NOBORU |
分类号 |
G03G15/08 |
主分类号 |
G03G15/08 |
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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