JPS6470732A - Mirror driving device for single-lens reflex camera - Google Patents
Mirror driving device for single-lens reflex cameraInfo
- Publication number
- JPS6470732A JPS6470732A JP22734987A JP22734987A JPS6470732A JP S6470732 A JPS6470732 A JP S6470732A JP 22734987 A JP22734987 A JP 22734987A JP 22734987 A JP22734987 A JP 22734987A JP S6470732 A JPS6470732 A JP S6470732A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- optical axis
- centering around
- mirror holder
- driving device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Cameras In General (AREA)
Abstract
PURPOSE:To shorten the flange back of a camera by preparing a link mechanism with which a component force to the backward part of the optical axis of an object acts to a reflecting mirror in case of moving from a mirror down position to a mirror up position. CONSTITUTION:A pair of driving levers 4 rotates counterclockwise centering around a 1st supporting shaft 6 and a mirror holder 1 moves backward and rises as a whole through a 1st fulcrum pin 2a until the driving lever 4 is positioned in parallel with the optical axis l1 of the object. A sublever 5 also rotates counterclockwise centering around a 2nd supporting shaft 7 through the mirror holder 1. In such a case, if the mirror holder 1 rotates clockwise centering around a 2nd fulcrum pin 3 and the driving lever 4 is turned counterclockwise from the position parallel with the optical axis l1, the mirror holder 1 moves to a mirror-up state nearly without protruding its front end forward from the mirror-down position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22734987A JPS6470732A (en) | 1987-09-10 | 1987-09-10 | Mirror driving device for single-lens reflex camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22734987A JPS6470732A (en) | 1987-09-10 | 1987-09-10 | Mirror driving device for single-lens reflex camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6470732A true JPS6470732A (en) | 1989-03-16 |
Family
ID=16859411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22734987A Pending JPS6470732A (en) | 1987-09-10 | 1987-09-10 | Mirror driving device for single-lens reflex camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6470732A (en) |
-
1987
- 1987-09-10 JP JP22734987A patent/JPS6470732A/en active Pending
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