JPH0181637U - - Google Patents
Info
- Publication number
- JPH0181637U JPH0181637U JP1987177035U JP17703587U JPH0181637U JP H0181637 U JPH0181637 U JP H0181637U JP 1987177035 U JP1987177035 U JP 1987177035U JP 17703587 U JP17703587 U JP 17703587U JP H0181637 U JPH0181637 U JP H0181637U
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- closing device
- rib
- camera
- opening
- 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 8
Landscapes
- Diaphragms For Cameras (AREA)
Description
第１図〜第１７図はこの考案の一実施例を示し
たもので、各図は次のものを表している。第１図
は絞り装置の側面図、第２図は地板１の正面図、
第３図は第２図のＡ―Ａ断面図、第４図は地板１
の背面図、第５図及び第６図は２枚の絞り羽根３
，５の形状を示す図、第７図は押さえ板７の構造
を示す図、第８図は地板１に絞り羽根３，５を載
置した状態を示す図、第９図は絞り羽根３，５を
地板１と押さえ板７との間にはさんだ状態を示す
図、第１０図は地板１に設けたリブの高さを示す
図、第１１図は押さえ板７に設けたリブの高さを
示す図、第１２図は絞り羽根３，５を全開した状
態を示す図、第１３図は絞り羽根３，５により絞
り最小開口を形成した状態を示す図、第１４図は
駆動装置９の構成を示す図、第１５図は鏡筒本体
Ｂの断面図、第１６図及び第１７図は鏡筒本体Ｂ
に絞り装置Ａを装着した状態を示す図である。第
１８図は従来の絞り装置を示す図である。
１……地板、３，５……絞り羽根、７……押さ
え板、９……駆動装置、１２……受光開口、１５
，１６……作動穴、２４，２５……ガイドピン、
２８，３０，３１，３２，３３，３４，８２，８
２Ａ，８１，８２Ｂ，８３，８５，８６，８７，
８８，２０１，２０２，２０３……リブ、５１，
５７……ガイド穴、５３，５９……ピン穴、７０
……受光開口、７１，７２……作動穴、１００…
…作動レバー、１２１，１２２……駆動ピン。
1 to 17 show an embodiment of this invention, and each figure represents the following. Figure 1 is a side view of the aperture device, Figure 2 is a front view of the main plate 1,
Figure 3 is a sectional view taken along line A-A in Figure 2, and Figure 4 is the main plate 1.
The rear view, Figures 5 and 6 show two aperture blades 3.
, 5, FIG. 7 is a diagram showing the structure of the holding plate 7, FIG. 8 is a diagram showing the aperture blades 3, 5 placed on the main plate 1, and FIG. 9 is a diagram showing the aperture blades 3, 5. Figure 10 shows the height of the ribs provided on the base plate 1, and Figure 11 shows the height of the ribs provided on the base plate 7. 12 is a diagram showing a state in which the aperture blades 3 and 5 are fully opened, FIG. 13 is a diagram showing a state in which the minimum aperture opening is formed by the aperture blades 3 and 5, and FIG. Diagrams showing the configuration, FIG. 15 is a sectional view of the lens barrel body B, and FIGS. 16 and 17 are the lens barrel body B.
FIG. 3 is a diagram showing a state in which a diaphragm device A is attached. FIG. 18 is a diagram showing a conventional aperture device. 1... Base plate, 3, 5... Aperture blade, 7... Holder plate, 9... Drive device, 12... Light receiving aperture, 15
, 16... operating hole, 24, 25... guide pin,
28, 30, 31, 32, 33, 34, 82, 8
2A, 81, 82B, 83, 85, 86, 87,
88, 201, 202, 203...rib, 51,
57... Guide hole, 53, 59... Pin hole, 70
...Light receiving aperture, 71, 72...Operating hole, 100...
...Operating lever, 121, 122...Driving pin.
Claims (1)
開口を有するガイド板に沿つて駆動し、前記受光
開口を開閉するカメラの開閉装置において、前記
ガイド板に、このガイド板に対して近い方の羽根
に接触する低いリブと、前記ガイド板に対して遠
い方の羽根に接触する高いリブとを設けたことを
特徴とするカメラの開閉装置。 (2) 実用新案登録請求の範囲第１項記載のカメ
ラの開閉装置において、前記ガイド板は前記２枚
の羽根を挾んだ状態で一対設けられ、前記低いリ
ブ及び前記高いリブは前記一対のガイド板にそれ
ぞれ設けられていることを特徴とするカメラの開
閉装置。[Claims for Utility Model Registration] (1) In a camera opening/closing device that opens and closes the light-receiving aperture by driving two superimposed blades along a guide plate having a light-receiving aperture, An opening/closing device for a camera, comprising: a low rib that contacts a blade closer to the guide plate; and a high rib that contacts a blade farther from the guide plate. (2) Utility Model Registration In the camera opening/closing device according to claim 1, the guide plate is provided as a pair with the two blades sandwiched between them, and the low rib and the high rib are arranged in the pair of guide plates. A camera opening/closing device characterized by being provided on each guide plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177035U JPH075467Y2 (en) | 1987-11-19 | 1987-11-19 | Light amount diaphragm device for camera |
| US07/221,288 US4884091A (en) | 1987-10-08 | 1988-07-19 | Exposure control device in a camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177035U JPH075467Y2 (en) | 1987-11-19 | 1987-11-19 | Light amount diaphragm device for camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0181637U true JPH0181637U (en) | 1989-05-31 |
| JPH075467Y2 JPH075467Y2 (en) | 1995-02-08 |
Family
ID=31468721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177035U Expired - Lifetime JPH075467Y2 (en) | 1987-10-08 | 1987-11-19 | Light amount diaphragm device for camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH075467Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008020792A (en) * | 2006-07-14 | 2008-01-31 | Fujinon Corp | Diaphragm device |
-
1987
- 1987-11-19 JP JP1987177035U patent/JPH075467Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008020792A (en) * | 2006-07-14 | 2008-01-31 | Fujinon Corp | Diaphragm device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH075467Y2 (en) | 1995-02-08 |
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