| 发明名称 |
Device for protecting the operating section of a camera from water drops and dust |
| 摘要 |
Water- and dust-proof connections between movable components mounted externally on a camera and the camera casing are achieved by using a viscoelastic sheet inserted at one end into either the component or casing and frictionally engaging the other to provide the leak-proof seal.
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| 申请公布号 |
US4244591(A) |
申请公布日期 |
1981.01.13 |
| 申请号 |
US19790074273 |
申请日期 |
1979.09.11 |
| 申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
UMETSU, JUNJI |
| 分类号 |
F16J15/32;G03B17/08;(IPC1-7):F16J15/10;G03B17/38 |
主分类号 |
F16J15/32 |
| 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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