发明名称 |
OPTICAL SCANNER AND IMAGE FORMING APPARATUS |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical scanner in which bending of a scanning line may be corrected by suppressing adjustment shift derived from error in shape or assembly of optical components and occurrence of color shift may be effectively suppressed in a color image forming apparatus. <P>SOLUTION: A glass plate 51b is provided on a pressing side 51d corresponding to a top face of a long lens 51 used as an optical element, and the long lens 51 is pressed downward by a top face press spring 49 working as a second pressing member. A center portion of the lens on a support side (lower face) is supported by a regulation part top face 47a working as an abutting member and corresponding to a top face of a regulation part 47 formed integrally with a holder body 43 of a lens holder. A fixing member 80 of a spring plate is inserted to range between and sandwich a plane portion 47c and a top face 51c on the support side of the long lens 51. <P>COPYRIGHT: (C)2012,JPO&INPIT |
申请公布号 |
JP2012133325(A) |
申请公布日期 |
2012.07.12 |
申请号 |
JP20110239263 |
申请日期 |
2011.10.31 |
申请人 |
RICOH CO LTD |
发明人 |
MAKINO HIDEYO;ISHIKAWA SOICHIRO |
分类号 |
G02B26/10;B41J2/44;H04N1/113 |
主分类号 |
G02B26/10 |
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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