JPH0175224U - - Google Patents
Info
- Publication number
- JPH0175224U JPH0175224U JP1987171471U JP17147187U JPH0175224U JP H0175224 U JPH0175224 U JP H0175224U JP 1987171471 U JP1987171471 U JP 1987171471U JP 17147187 U JP17147187 U JP 17147187U JP H0175224 U JPH0175224 U JP H0175224U
- Authority
- JP
- Japan
- Prior art keywords
- closing device
- opening
- camera
- blade
- ribs
- 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
- 239000002184 metal Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Diaphragms For Cameras (AREA)
Description
第１図〜第１５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、第１４図及び第１５図は地板１と押さえ板７
とに設けたリブの対向状態を示す断面図である。
第１６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 15 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 mounted 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. FIG. 12 is a diagram showing the aperture blades 3 and 5 fully opened, FIG. 13 is a diagram showing the configuration of the drive device 9, and FIGS. 14 and 15 are diagrams showing the main plate 1 and the holding plate 7.
FIG. 3 is a cross-sectional view showing a state in which ribs provided on both sides face each other.
FIG. 16 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)
２のガイド板間に第１、第２の羽根を相対的に逆
方向に移動自在に支持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、前記第１、第２の
ガイド板に前記第１の羽根または前記第２の羽根
に接触するリブを設けると共に、前記第１のガイ
ド板に設けるリブと前記第２のガイド板に設ける
リブとを対向配置し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、前記リブは前記第１、第
２の羽根の幅方向の中間部に接触する位置に、前
記第１、第２の羽根の移動方向に長く設けられて
いることを特徴とするカメラの開閉装置。 (3) 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１、第２のガイド
板のうち、一方のガイド板が合成樹脂製で、他方
のガイド板が金属製であることを特徴とするカメ
ラの開閉装置。 (4) 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、前記リブは前記第１、第
２の羽根の移動方向に沿つて前記第１、第２のガ
イド板に２つずつ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) The first and second blades are supported movably in relatively opposite directions between first and second guide plates having light-receiving openings facing each other to receive the light. In the opening/closing device for a camera that opens and closes an opening, the first and second guide plates are provided with ribs that contact the first blade or the second blade, and the ribs provided on the first guide plate and the ribs that contact the first blade or the second blade are provided. An opening/closing device for a camera, characterized in that ribs provided on a second guide plate are arranged to face each other. (2) Utility Model Registration In the camera opening/closing device as set forth in claim 1, the rib is located at a position where it contacts an intermediate portion in the width direction of the first and second blades. A camera opening/closing device characterized in that the blade is long in the direction of movement. (3) Utility model registration In the camera opening/closing device according to claim 1, one of the first and second guide plates is made of synthetic resin and the other guide plate is made of metal. A camera opening/closing device characterized by: (4) Utility model registration In the camera opening/closing device according to claim 1, two ribs are provided on each of the first and second guide plates along the moving direction of the first and second blades. An opening/closing device for a camera, characterized in that:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171471U JP2531764Y2 (en) | 1987-11-10 | 1987-11-10 | Light aperture 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 |
|---|---|---|---|
| JP1987171471U JP2531764Y2 (en) | 1987-11-10 | 1987-11-10 | Light aperture device for camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175224U true JPH0175224U (en) | 1989-05-22 |
| JP2531764Y2 JP2531764Y2 (en) | 1997-04-09 |
Family
ID=31463333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171471U Expired - Lifetime JP2531764Y2 (en) | 1987-10-08 | 1987-11-10 | Light aperture device for camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531764Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2408932B2 (en) | 1974-02-25 | 1976-01-02 | Balda-Werke Photographische Geraete Und Kunststoff Gmbh & Co Kg, 4980 Buende | Camera shutter with two slats arranged one behind the other and guided in the longitudinal direction |
-
1987
- 1987-11-10 JP JP1987171471U patent/JP2531764Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531764Y2 (en) | 1997-04-09 |
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