发明名称 |
Eye cup moving mechanism of optical device |
摘要 |
An eye cup moving mechanism of an optical device includes: an eyepiece lens holding barrel that houses and holds an eyepiece lens; an eyepiece outer casing that is capable of sliding against an external circumferential portion of the eyepiece lens holding barrel; and an eye cup cover provided at the eyepiece outer casing. The eyepiece lens holding barrel includes a first regulating member provided at the external circumferential portion thereof; and the eyepiece outer casing includes a second regulating member that comes in contact with the first regulating member to regulate a movement of the eye cup cover along an optical axis of the eyepiece lens.
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申请公布号 |
US2001055163(A1) |
申请公布日期 |
2001.12.27 |
申请号 |
US20010875909 |
申请日期 |
2001.06.08 |
申请人 |
NIKON CORPORATION |
发明人 |
ISHIKAWA YASUAKI;SAKODA HIROHARU |
分类号 |
G02B23/18;G02B21/00;G02B23/16;G02B25/00;(IPC1-7):G02B7/02 |
主分类号 |
G02B23/18 |
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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