发明名称 |
DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE-FORMING APPARATUS |
摘要 |
A development roller includes a magnet roller and a rotatably supported development sleeve including inside thereof the magnet roller, the development sleeve is formed in a cylindrical shape and configured such that a shaft center of the cylindrical shape is inconsistent with a rotation axis of the development sleeve, the development sleeve includes an outer surface provided with many circular or elliptical depressions in a planar view, the depressions being regularly arranged at intervals, and a depth of the depression provided in a portion of the outer surface close to the rotation axis is larger than a depth of the depression provided in a portion of the outer surface far from the rotation axis.
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申请公布号 |
US2012294655(A1) |
申请公布日期 |
2012.11.22 |
申请号 |
US201213473808 |
申请日期 |
2012.05.17 |
申请人 |
TERASAKA TAKUMI;KOJIMA TOSHIO;KOETSUKA KYOHTA;KAMIYA NORIYUKI;OHSAWA MASAYUKI;ABE HIROYA;RICOH COMPANY, LTD. |
发明人 |
TERASAKA TAKUMI;KOJIMA TOSHIO;KOETSUKA KYOHTA;KAMIYA NORIYUKI;OHSAWA MASAYUKI;ABE HIROYA |
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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