发明名称 |
Optical scanner and image forming apparatus using the same |
摘要 |
An optical scanner for an image forming apparatus of the present invention includes a polygonal mirror for steering a scanning beam incident thereto and an optical device located in the vicinity of the polygonal mirror. The polygonal mirror and optical device are supported by a housing. A heat radiation guide adjoins the polygonal mirror and is formed integrally with or separately from the housing. The heat radiation guide has a guide surface inclined relative to the axis of rotation of the polygonal mirror and intersecting a plane virtually formed by a scanning beam.
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申请公布号 |
US7149021(B2) |
申请公布日期 |
2006.12.12 |
申请号 |
US20040875186 |
申请日期 |
2004.06.25 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
YOSHIZAWA HIROSHI |
分类号 |
B41J2/44;G02B26/08;B41J27/00;G02B7/18;G02B26/10;G02B26/12;G03G15/04;G03G21/20;H04N1/036;H04N1/113 |
主分类号 |
B41J2/44 |
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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