JPH01152325U - - Google Patents
Info
- Publication number
- JPH01152325U JPH01152325U JP4435388U JP4435388U JPH01152325U JP H01152325 U JPH01152325 U JP H01152325U JP 4435388 U JP4435388 U JP 4435388U JP 4435388 U JP4435388 U JP 4435388U JP H01152325 U JPH01152325 U JP H01152325U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- opening
- closing
- closing lever
- spring
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Diaphragms For Cameras (AREA)
- Shutters For Cameras (AREA)
Description
第１図は本考案による羽根開閉機構の一実施例
の全閉時の要部平面図、第２図は上記実施例の羽
根バネの特性を示すグラフ、第３図は上記実施例
の全開時の要部平面図、第４図は従来例の羽根バ
ネの特性を示すグラフである。
１・・・・軸、２，３・・・・羽根、４・・・
・開閉レバー、５，６・・・・羽根バネ。
Fig. 1 is a plan view of essential parts of an embodiment of the blade opening/closing mechanism according to the present invention when fully closed, Fig. 2 is a graph showing the characteristics of the blade spring of the above embodiment, and Fig. 3 is a diagram of the above embodiment when fully opened. FIG. 4 is a graph showing the characteristics of a conventional blade spring. 1...Shaft, 2,3...Blade, 4...
・Opening/closing lever, 5, 6... blade spring.
Claims (1)
、前記羽根と前記羽根開閉レバーとの間に張架さ
れていて開口初期のみ又は開口初期程強く前記羽
根を閉じ方向又は開き方向に付勢する羽根バネと
を備えた羽根開閉機構。 A blade, a blade opening/closing lever connected to the blade, and a blade that is stretched between the blade and the blade opening/closing lever, and urges the blade in the closing direction or the opening direction only in the initial stage of opening or more strongly in the early stage of opening. A blade opening/closing mechanism equipped with a blade spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044353U JPH0624813Y2 (en) | 1988-04-01 | 1988-04-01 | Blade opening / closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044353U JPH0624813Y2 (en) | 1988-04-01 | 1988-04-01 | Blade opening / closing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01152325U true JPH01152325U (en) | 1989-10-20 |
| JPH0624813Y2 JPH0624813Y2 (en) | 1994-06-29 |
Family
ID=31270714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988044353U Expired - Lifetime JPH0624813Y2 (en) | 1988-04-01 | 1988-04-01 | Blade opening / closing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624813Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012168237A (en) * | 2011-02-10 | 2012-09-06 | Tokyo Micro:Kk | Diaphragm device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5525015A (en) * | 1978-08-10 | 1980-02-22 | Nippon Kogaku Kk <Nikon> | Driving device of shutter blade |
-
1988
- 1988-04-01 JP JP1988044353U patent/JPH0624813Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5525015A (en) * | 1978-08-10 | 1980-02-22 | Nippon Kogaku Kk <Nikon> | Driving device of shutter blade |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012168237A (en) * | 2011-02-10 | 2012-09-06 | Tokyo Micro:Kk | Diaphragm device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624813Y2 (en) | 1994-06-29 |