发明名称 |
Stopper structure for lens barrel assembly |
摘要 |
A stopper structure for use in a lens barrel assembly, the lens barrel assembly having a helicoid ring which includes a male helicoid, on the outer periphery of the helicoid ring, for engaging with a female helicoid on an inner periphery of a fixed barrel secured to a camera body; and gear teeth formed along the male helicoids to extend between the male helicoids and arranged in a circumferential direction about an optical axis, the helicoid ring moving along the optical axis while been driven by a pinion which is engaged with the gear teeth; wherein the stopper structure includes a stopper member which engages with at least one tooth of the gear teeth in order to prevent rotation of the helicoid ring.
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申请公布号 |
US2002135900(A1) |
申请公布日期 |
2002.09.26 |
申请号 |
US20020101753 |
申请日期 |
2002.03.21 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
NOMURA HIROSHI;SASAKI TAKAMITSU;ISHIZUKA KAZUNORI;TAKASHIMA MAIKO |
分类号 |
G02B7/04;G02B7/10;G03B5/00;G03B17/04;(IPC1-7):G02B7/02 |
主分类号 |
G02B7/04 |
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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