发明名称 |
Polygon mirror construction |
摘要 |
In a polygon mirror construction comprising a polygon mirror with a hole formed at the central position for passing through a shaft of a motor and a supporting means fixed to the shaft of the motor for supporting the polygon mirror, and a space, a groove or a heat insulating plate is formed between the polygon mirror and the supporting means, thereby a heat rise of the polygon mirror is prevented and high accuracy of the polygon mirror construction is assured.
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申请公布号 |
US4691998(A) |
申请公布日期 |
1987.09.08 |
申请号 |
US19860841020 |
申请日期 |
1986.03.17 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SAKAGAITO, YUKUO;YONEMOCHI, KATSUTOSHI;KAWATA, KOICHI;MASAKI, TAKESHI |
分类号 |
G02B26/12;(IPC1-7):G02B5/08;G02B5/10 |
主分类号 |
G02B26/12 |
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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