JPS6420528A - Shutter for camera - Google Patents
Shutter for cameraInfo
- Publication number
- JPS6420528A JPS6420528A JP17760887A JP17760887A JPS6420528A JP S6420528 A JPS6420528 A JP S6420528A JP 17760887 A JP17760887 A JP 17760887A JP 17760887 A JP17760887 A JP 17760887A JP S6420528 A JPS6420528 A JP S6420528A
- Authority
- JP
- Japan
- Prior art keywords
- end surface
- aperture
- shutter base
- shutter
- adverse influence
- 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
- Shutters For Cameras (AREA)
Abstract
PURPOSE:To eliminate adverse influence caused by hazardous light by using a shutter base where the end surface of an aperture is integrally formed into roughly a circular shape. CONSTITUTION:A chamfered part 33a used for smoothing the travel of a rear blade sector is formed on the end surface of the aperture of the shutter base 20. The end surface 33b of the aperture is formed circularly and integrally. Since the end surface 33b is formed circularly, the hazardous light 71 from the side of the shutter base 20 is hardly reflected by means of the end surface 33b in useless fashion, and its route is the surface of a partition 12, thereby giving almost no adverse influence to a filter 50. Therefore, reflection prevention coating, which has been applied to the end surface 33b of the aperture of the shutter base 20, is not needed, thereby substantially reducing man hour and costs.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17760887A JPS6420528A (en) | 1987-07-15 | 1987-07-15 | Shutter for camera |
US07/217,649 US4926202A (en) | 1987-07-15 | 1988-07-12 | Shutter for use in camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17760887A JPS6420528A (en) | 1987-07-15 | 1987-07-15 | Shutter for camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6420528A true JPS6420528A (en) | 1989-01-24 |
Family
ID=16033976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17760887A Pending JPS6420528A (en) | 1987-07-15 | 1987-07-15 | Shutter for camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6420528A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006072151A (en) * | 2004-09-03 | 2006-03-16 | Fujinon Corp | Diaphragm plate |
-
1987
- 1987-07-15 JP JP17760887A patent/JPS6420528A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006072151A (en) * | 2004-09-03 | 2006-03-16 | Fujinon Corp | Diaphragm plate |
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