JPS6440825U - - Google Patents
Info
- Publication number
- JPS6440825U JPS6440825U JP7927387U JP7927387U JPS6440825U JP S6440825 U JPS6440825 U JP S6440825U JP 7927387 U JP7927387 U JP 7927387U JP 7927387 U JP7927387 U JP 7927387U JP S6440825 U JPS6440825 U JP S6440825U
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- drive means
- intermittent movement
- movement mechanism
- gear
- 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.)
- Pending
Links
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 210000004283 incisor Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Diaphragms For Cameras (AREA)
Description
第１図は本考案の第１の実施例を示す機械的構
成平面図、第２図は第１図における構成断面図、
第３図は第１図におけるプログラム線図、第４図
は第１図における動作シーケンスを示すフローチ
ヤート、第５図及び第６図は本考案の他の実施例
の間歇運動機構を示す図である。
１……絞り翅、１ａ……絞り穴（Ｆ２，８）、
１ｂ……絞り穴（Ｆ５，６）、１ｃ……絞り穴（
Ｆ１１）、１ｄ……閉領域、１ｅ，２ａ，３ｃ，
３１ａ，３２ａ……ギヤ部、２……ゼネバ歯車、
２ｂ……放射状溝部、２ｃ，２２ｂ，３２ｂ……
凹円弧部、３……ゼネバドライバ、３ａ，２１ａ
……ピン、３ｂ，２１ｂ，３１ｂ……凸円弧部、
４……減速歯車、４ａ……小歯車、４ｂ……大歯
車、５……駆動モータ、６……ピニオン、７……
レンズ、８……シヤツタ、９……ＣＣＤ撮像素子
、１０……受光窓、１１……受光素子、２１……
原動ピン車、２２……従動星形歯車、２２ａ……
歯列伝動部、３１……原動切歯歯車、３２……従
動切歯歯車。
FIG. 1 is a mechanical configuration plan view showing the first embodiment of the present invention, FIG. 2 is a configuration cross-sectional view in FIG. 1,
FIG. 3 is a program diagram in FIG. 1, FIG. 4 is a flowchart showing the operation sequence in FIG. 1, and FIGS. 5 and 6 are diagrams showing intermittent motion mechanisms in other embodiments of the present invention. be. 1...Aperture blade, 1a...Aperture hole (F2, 8),
1b...Aperture hole (F5, 6), 1c...Aperture hole (
F11), 1d...closed area, 1e, 2a, 3c,
31a, 32a... Gear part, 2... Geneva gear,
2b...Radial groove portion, 2c, 22b, 32b...
Concave arc portion, 3... Geneva driver, 3a, 21a
...Pin, 3b, 21b, 31b...Convex arc portion,
4... Reduction gear, 4a... Small gear, 4b... Large gear, 5... Drive motor, 6... Pinion, 7...
Lens, 8... Shutter, 9... CCD image sensor, 10... Light receiving window, 11... Light receiving element, 21...
Driving pin wheel, 22... Driven star gear, 22a...
Tooth transmission section, 31... Driving incisor gear, 32... Driven incisor gear.
Claims (1)
該絞り翅を駆動する駆動手段と、該駆動手段の運
動を前記絞り翅に伝達する運動伝達機構とを備え
、該運動伝達機構として、前記駆動手段の休止期
間には、前記複数種類の絞り穴の内の１つの絞り
穴を光軸上にセツトする間歇運動機構を設けたこ
とを特徴とするカメラの絞り装置。 (2) 前記間歇運動機構として、ゼネバ歯車とピ
ン付ゼネバドライバとからなるものを用いたこと
を特徴とする実用新案登録請求の範囲第１項記載
のカメラの絞り装置。 (3) 前記間歇運動機構として、ピン車と星形歯
車とからなるものを用いたことを特徴とする実用
新案登録請求の範囲第１項記載のカメラの絞り装
置。 (4) 前記間歇運動機構として、一部欠歯歯車の
組合せからなるものを用いたことを特徴とする実
用新案登録請求の範囲第１項記載のカメラの絞り
装置。[Scope of claim for utility model registration] (1) Aperture wings with multiple types of aperture holes,
A drive means for driving the aperture blades, and a motion transmission mechanism for transmitting the motion of the drive means to the aperture blades, and the motion transmission mechanism includes a drive means for driving the aperture holes of the plurality of types during a rest period of the drive means. 1. An aperture device for a camera, comprising an intermittent movement mechanism for setting one aperture hole on the optical axis. (2) The aperture device for a camera according to claim 1, wherein the intermittent movement mechanism includes a Geneva gear and a Geneva driver with a pin. (3) The aperture device for a camera according to claim 1, wherein the intermittent movement mechanism includes a pin wheel and a star gear. (4) The aperture device for a camera according to claim 1, wherein the intermittent movement mechanism is a combination of partially toothed gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7927387U JPS6440825U (en) | 1987-05-25 | 1987-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7927387U JPS6440825U (en) | 1987-05-25 | 1987-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6440825U true JPS6440825U (en) | 1989-03-10 |
Family
ID=31304156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7927387U Pending JPS6440825U (en) | 1987-05-25 | 1987-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6440825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0352725U (en) * | 1989-09-29 | 1991-05-22 |
-
1987
- 1987-05-25 JP JP7927387U patent/JPS6440825U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0352725U (en) * | 1989-09-29 | 1991-05-22 |
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