发明名称 |
Coarse-fine focusing device for precision machinery |
摘要 |
A coarse-fine focusing device for precision machinery capable of accurate coarse and fine adjustments free from any play in which a gear fixed to a pinion shaft having a pinion is connected to a gear fixed to a fine adjustment shaft, to which a fine adjustment handle is mounted, by a reduction gear mechanism provided in a coarse adjustment handle which is mounted coaxially with said fine adjustment handle.
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申请公布号 |
US4020705(A) |
申请公布日期 |
1977.05.03 |
申请号 |
US19750575702 |
申请日期 |
1975.05.08 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
HAYASAKA, TOSHIMI |
分类号 |
G02B21/24;(IPC1-7):F16H35/18;G02B21/26 |
主分类号 |
G02B21/24 |
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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