JPH0181636U - - Google Patents
Info
- Publication number
- JPH0181636U JPH0181636U JP1987177034U JP17703487U JPH0181636U JP H0181636 U JPH0181636 U JP H0181636U JP 1987177034 U JP1987177034 U JP 1987177034U JP 17703487 U JP17703487 U JP 17703487U JP H0181636 U JPH0181636 U JP H0181636U
- Authority
- JP
- Japan
- Prior art keywords
- blades
- opening
- closing device
- camera
- aperture
- 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 7
Landscapes
- Diaphragms For Cameras (AREA)
Description
第1図〜第18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、第18図
は地板1と押さえ板7に設けたリブの断面図であ
る。第19図〜第21図は地板1と押さえ板7に
設けるリブの変形例を示す図である。第22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、
28,30,32,34,82,82A,81,
82B,83,85,86,87,201,20
2……リブ、51,57……ガイド穴、53,5
9……ピン穴、70……受光開口、71,72…
…作動穴、100……作動レバー、121,12
2……駆動ピン。
1 to 18 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. 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. 18 is a cross-sectional view of ribs provided on the main plate 1 and the pressing plate 7, showing the state in which the diaphragm device A is attached. 19 to 21 are views showing modified examples of ribs provided on the base plate 1 and the pressing plate 7. FIG. FIG. 22 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, 32, 34, 82, 82A, 81,
82B, 83, 85, 86, 87, 201, 20
2... Rib, 51, 57... Guide hole, 53, 5
9...Pin hole, 70...Light receiving aperture, 71, 72...
...Operating hole, 100...Operating lever, 121, 12
2... Drive 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
ガイド板の前記第1、第2の羽根の幅方向中間部
に接触する位置に、非対向状態でそれぞれリブを
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、前記リブは前記第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。[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, ribs are provided in non-opposed states at positions in contact with intermediate portions in the width direction of the first and second blades of the first and second guide plates. Features a camera opening/closing device. (2) Utility Model Registration The camera opening/closing device according to claim 1, wherein the rib is provided long in the direction of movement of the first and second blades.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987177034U JP2521596Y2 (en) | 1987-11-19 | 1987-11-19 | 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 |
---|---|---|---|
JP1987177034U JP2521596Y2 (en) | 1987-11-19 | 1987-11-19 | Light aperture device for camera |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0181636U true JPH0181636U (en) | 1989-05-31 |
JP2521596Y2 JP2521596Y2 (en) | 1996-12-25 |
Family
ID=31468720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987177034U Expired - Lifetime JP2521596Y2 (en) | 1987-10-08 | 1987-11-19 | Light aperture device for camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2521596Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009288582A (en) * | 2008-05-30 | 2009-12-10 | Sony Corp | Light quantity adjusting device, lens barrel and image pickup apparatus |
-
1987
- 1987-11-19 JP JP1987177034U patent/JP2521596Y2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009288582A (en) * | 2008-05-30 | 2009-12-10 | Sony Corp | Light quantity adjusting device, lens barrel and image pickup apparatus |
JP4618520B2 (en) * | 2008-05-30 | 2011-01-26 | ソニー株式会社 | Light amount adjusting device, lens barrel and imaging device |
Also Published As
Publication number | Publication date |
---|---|
JP2521596Y2 (en) | 1996-12-25 |