发明名称 |
Mirror operating mechanism in cassette type SLR camera |
摘要 |
A mirror operating mechanism in a single-lens reflex camera using a small film cassette. The mirror operating mechanism has a main plate having two guide shafts in parallel with the optical axis of the photographing lens of the camera and provided in the space between the picture opening and the film winding chamber of the film cassette. A mirror lifting drive plate and a mirror lowering drive plate are slidable along the two guide shafts, respectively. Driving coil springs are provided in parallel with the two guide shafts for driving said mirror lifting drive plate and mirror lowering drive plate, respectively.
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申请公布号 |
US4258995(A) |
申请公布日期 |
1981.03.31 |
申请号 |
US19790060540 |
申请日期 |
1979.07.25 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
KARIKAWA, TOHRU;SATOH, MITUO |
分类号 |
G03B19/12;(IPC1-7):G03B19/12 |
主分类号 |
G03B19/12 |
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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