JPH0175225U - - Google Patents
Info
- Publication number
- JPH0175225U JPH0175225U JP1987171472U JP17147287U JPH0175225U JP H0175225 U JPH0175225 U JP H0175225U JP 1987171472 U JP1987171472 U JP 1987171472U JP 17147287 U JP17147287 U JP 17147287U JP H0175225 U JPH0175225 U JP H0175225U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- rib
- opening
- closing device
- guide plate
- 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
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Diaphragms For Cameras (AREA)
Description
第１図〜第１３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図は駆動装置９の構成を示す
図である。第１４図は従来技術を説明するための
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 13 show one 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, and FIG. 13 is a diagram showing the configuration of the drive device 9. FIG. 14 is a diagram for explaining the prior art. 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)
動力伝達穴を介して駆動装置の駆動力を重なり合
つた第１、第２の羽根に伝達・し、これら第１、
第２の羽根を前記ガイド板に沿つて駆動して前記
受光開口を開閉するカメラの開閉装置において、
前記ガイド板は、前記第１の羽根の開閉方向に沿
つて設けられ前記第１の羽根を支持する第１のリ
ブと、前記駆動力伝達穴の縁に設けられ前記第２
の羽根を支持すると共に、前記第１のリブに連な
る第２のリブとを備えている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、前記第２のリブは前記第
１の羽根に接触する部分と前記第２の羽根に接触
する部分とで突出量が異なることを特徴とするカ
メラの開閉装置。[Claims for Utility Model Registration] (1) The driving force of the drive device is transmitted to the overlapping first and second blades through the driving force transmission hole provided in the guide plate having the light receiving aperture. First,
In a camera opening/closing device that opens and closes the light receiving aperture by driving a second blade along the guide plate,
The guide plate includes a first rib provided along the opening/closing direction of the first blade and supporting the first blade, and a second rib provided at the edge of the driving force transmission hole.
An opening/closing device for a camera, comprising: a second rib that supports the blade of the first rib and is connected to the first rib. (2) Utility Model Registration In the camera opening/closing device according to claim 1, the second rib has a protrusion amount that is different between a portion that contacts the first blade and a portion that contacts the second blade. A camera opening/closing device with different characteristics.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171472U JP2521595Y2 (en) | 1987-11-10 | 1987-11-10 | Aperture device |
| 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 |
|---|---|---|---|
| JP1987171472U JP2521595Y2 (en) | 1987-11-10 | 1987-11-10 | Aperture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175225U true JPH0175225U (en) | 1989-05-22 |
| JP2521595Y2 JP2521595Y2 (en) | 1996-12-25 |
Family
ID=31463335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171472U Expired - Lifetime JP2521595Y2 (en) | 1987-10-08 | 1987-11-10 | Aperture device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521595Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0181638U (en) * | 1987-11-19 | 1989-05-31 | ||
| JPH03200235A (en) * | 1989-12-28 | 1991-09-02 | Canon Electron Inc | Motor-driven diaphragm device |
-
1987
- 1987-11-10 JP JP1987171472U patent/JP2521595Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0181638U (en) * | 1987-11-19 | 1989-05-31 | ||
| JPH03200235A (en) * | 1989-12-28 | 1991-09-02 | Canon Electron Inc | Motor-driven diaphragm device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521595Y2 (en) | 1996-12-25 |
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