| 发明名称 |
Lens barrel |
| 摘要 |
<p>A lens barrel, including, a moving frame (2) to hold a lens (8), a direct-advance ring (4) provided on an outer periphery of the moving frame and movable relative to the moving frame in an optical direction, a resilient member (6) provided between the moving frame and the direct-advance ring, and a control part (10) provided on the moving frame to control an amount of movement of the direct-advance ring in the optical direction. <IMAGE></p> |
| 申请公布号 |
EP1512997(A2) |
申请公布日期 |
2005.03.09 |
| 申请号 |
EP20040254793 |
申请日期 |
2004.08.09 |
| 申请人 |
RICOH COMPANY, LTD. |
发明人 |
NUNO, KATSUHIKO;TSURUKAWA, IKUYA;ITOH, KAORU;SHINOHARA, JUNICHI;ETOH, AKIHIRO |
| 分类号 |
G02B7/02;G02B7/08;(IPC1-7):G02B7/02;G03B17/02 |
主分类号 |
G02B7/02 |
| 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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