发明名称 |
Device in camera shutter for maintaining separate blades in intimate contact with each other |
摘要 |
A plurality of separate shutter blades are arranged in a plane defined between a pair of base plates each having a shutter exposure aperture. Projections are provided on the base plates for urging the respective blades to be held in intimate contact with each other when the blades are in a position where they cover the aperture.
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申请公布号 |
US4150890(A) |
申请公布日期 |
1979.04.24 |
申请号 |
US19760688312 |
申请日期 |
1976.05.20 |
申请人 |
SEIKO KOKI K K |
发明人 |
KOYAMA, MITSUO;NAKAGAWA, TADASHI;ONDA, EIICHI |
分类号 |
G03B9/36;G03B9/18;(IPC1-7):G03B9/40 |
主分类号 |
G03B9/36 |
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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