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.
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
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