JPH0322227U - - Google Patents
Info
- Publication number
- JPH0322227U JPH0322227U JP8206489U JP8206489U JPH0322227U JP H0322227 U JPH0322227 U JP H0322227U JP 8206489 U JP8206489 U JP 8206489U JP 8206489 U JP8206489 U JP 8206489U JP H0322227 U JPH0322227 U JP H0322227U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- main
- sub
- blades
- 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
- 239000000758 substrate Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Diaphragms For Cameras (AREA)
- Shutters For Cameras (AREA)
Description
第１図は本考案に係るカメラ用遮光羽根装置の
模式的断面図であり、第２図Ａは本考案に係る遮
光羽根装置の全閉時における一部省略平面図であ
り、第２図Ｂは同じく全開時における一部省略平
面図であり、第３図Ａは同じく全閉時においてさ
らに上側の遮光羽根を省略した平面図であり、第
３図Ｂは同じく全開時において上側の遮光羽根を
省略した平面図であり、第４図は第１図に示す本
考案に係るカメラ用遮光羽根装置の動作を説明す
る為の線図である。
１…上側基板、２…開口、４乃至７…支持部材
、８…上側主羽根、９…上側副羽根、１０…下側
主羽根、１１…下側副羽根、１２…長穴群、１３
…作動レバー、１４…作動ピン、１５…下側基板
、１６…分離板、１７…駆動部、１８及び２０…
主羽根支持部、１９及び２１…副羽根支持部。
FIG. 1 is a schematic cross-sectional view of the light-shielding blade device for a camera according to the present invention, FIG. 2A is a partially omitted plan view of the light-shielding blade device according to the present invention when fully closed, and FIG. 2B 3A is a partially omitted plan view when fully opened, FIG. 3A is a plan view with the upper light shielding blade omitted when fully closed, and FIG. 3B is a plan view with the upper light shielding blade removed when fully opened. FIG. 4 is a diagram for explaining the operation of the light-shielding blade device for a camera according to the present invention shown in FIG. 1. DESCRIPTION OF SYMBOLS 1...Upper board, 2...Opening, 4 to 7...Supporting member, 8...Upper main blade, 9...Upper sub-blade, 10...Lower main blade, 11...Lower sub-blade, 12...Elongate hole group, 13
... Actuation lever, 14... Actuation pin, 15... Lower substrate, 16... Separation plate, 17... Drive unit, 18 and 20...
Main blade support part, 19 and 21... sub blade support part.
Claims (1)
に配置されており、開口に対して所定方向に退避
可能な主副一組の羽根と開口に対して反対方向に
退避可能な主副一組の羽根からなり、平面的に見
て順次重ねられた遮光羽根群と、 該遮光羽根群を上下から挟持する様に対向配置
され且つ開口の設けられた一対の基板とからなる
カメラ用遮光羽根装置において、 所定方向に退避する主副一組の羽根と反対方向
に退避する主副一組の羽根を互いに分離する為に
両組の中間に配置される分離板と、 各組の主羽根及び副羽根を該装置の姿勢に応じ
て走行中独立的に支持する為に、対応する基板の
内平面上に設けられた支持部材とを有する事を特
徴とするカメラ用遮光羽根装置。 ２ 各組において主羽根は開口の中心部を遮閉し
且つ分離板側に配置され、副羽根は開口の周辺部
を遮閉し且つ基板内平面側に配置されている事を
特徴とする請求項１に記載のカメラ用遮光羽根装
置。 ３ 走行中において主羽根を独立的に支持する為
に、基板内平面の周辺部であつて副羽根の走行領
域外に設けられた主羽根支持部を有する事を特徴
とする請求項２に記載のカメラ用遮光羽根装置。 ４ 主羽根は走行中において主羽根支持部に摺動
的に当接する舌部を有している事を特徴とする請
求項３に記載のカメラ用遮光羽根装置。 ５ 走行中において副羽根を独立的に支持する為
に基板内平面の中央部から周辺部に向う様に設け
られた副羽根支持部を有する事を特徴とする請求
項２に記載のカメラ用遮光羽根装置。[Claims for Utility Model Registration] 1. A pair of main and sub-wings arranged so as to be able to run along a running surface parallel to the opening and retractable in a predetermined direction with respect to the opening and opposite to the opening. A group of light shielding blades consisting of a pair of main and sub blades that can be retracted in the direction, and which are sequentially stacked in a plan view, and a pair of light shielding blades that are arranged oppositely and provided with an opening so as to sandwich the group of light shielding blades from above and below. In a camera light-shielding blade device comprising a substrate, a separation plate is arranged between the main and sub-blade sets to separate the main and sub-blade sets retracting in a predetermined direction and the main and sub-blade sets retracting in the opposite direction from each other. and a support member provided on the inner plane of the corresponding substrate in order to independently support each set of main blades and secondary blades during travel according to the posture of the device. Shading blade device for use. 2. A claim characterized in that in each set, the main blades close the center of the opening and are arranged on the side of the separation plate, and the secondary blades close the peripheral part of the opening and are arranged on the inner plane side of the substrate. Item 1. The light-shielding blade device for a camera according to item 1. 3. According to claim 2, the main blade support part is provided in a peripheral part of the inner plane of the substrate and outside the running area of the auxiliary blade in order to support the main blade independently during traveling. Shading blade device for cameras. 4. The light-shielding blade device for a camera according to claim 3, wherein the main blade has a tongue portion that slides into contact with the main blade support portion while the main blade is running. 5. The light-shielding camera according to claim 2, further comprising a sub-blade support portion extending from the center of the inner plane of the substrate toward the periphery in order to independently support the sub-blade during travel. vane device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8206489U JP2521238Y2 (en) | 1989-07-12 | 1989-07-12 | Shading blade device for camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8206489U JP2521238Y2 (en) | 1989-07-12 | 1989-07-12 | Shading blade device for camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0322227U true JPH0322227U (en) | 1991-03-07 |
| JP2521238Y2 JP2521238Y2 (en) | 1996-12-25 |
Family
ID=31628550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8206489U Expired - Lifetime JP2521238Y2 (en) | 1989-07-12 | 1989-07-12 | Shading blade device for camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521238Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08313969A (en) * | 1995-05-23 | 1996-11-29 | Olympus Optical Co Ltd | Light shielding device |
| JP2006184536A (en) * | 2004-12-27 | 2006-07-13 | Canon Inc | Diaphragm device and imaging apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6018290B2 (en) * | 2013-03-08 | 2016-11-02 | キヤノン電子株式会社 | Light amount adjusting device and optical apparatus |
-
1989
- 1989-07-12 JP JP8206489U patent/JP2521238Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08313969A (en) * | 1995-05-23 | 1996-11-29 | Olympus Optical Co Ltd | Light shielding device |
| JP2006184536A (en) * | 2004-12-27 | 2006-07-13 | Canon Inc | Diaphragm device and imaging apparatus |
| JP4551757B2 (en) * | 2004-12-27 | 2010-09-29 | キヤノン株式会社 | Aperture device and imaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521238Y2 (en) | 1996-12-25 |
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