JPH049027U - - Google Patents
Info
- Publication number
- JPH049027U JPH049027U JP4763790U JP4763790U JPH049027U JP H049027 U JPH049027 U JP H049027U JP 4763790 U JP4763790 U JP 4763790U JP 4763790 U JP4763790 U JP 4763790U JP H049027 U JPH049027 U JP H049027U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- light shielding
- frame
- fixed frame
- camera
- 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
- 239000000463 material Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Focusing (AREA)
Description
第１図は、この考案の一実施例による遮光装置
を備えたカメラレンズの駆動装置の構成図、第２
図は、この考案による遮光装置の要部を拡大して
示す断面図、第３図は、固定枠とレンズ鏡胴の部
分を示す斜視図、第４図は、従来例の遮光装置の
断面図である。
１……固定枠、２……レンズ鏡胴枠、３……溝
状凹溝、３ａ……突条部、４……植毛材、７……
第１レンズ群、７ａ……第１レンズ枠、８……第
２レンズ群、８ａ……第２レンズ枠、８ｂ……カ
ムピン、９……第２レンズ枠カム、９ａ……カム
面、１０……基板、１１……ばね、１２ａ，１２
ｂ……軸受板、１３ａ，１３ｂ……ギア、１４ａ
，１４ｂ……駆動ねじ、１５……円環ギア、１６
……減速ギア。
FIG. 1 is a block diagram of a camera lens driving device equipped with a light shielding device according to an embodiment of the invention, and FIG.
The figure is an enlarged cross-sectional view of the main parts of the light-shielding device according to this invention, FIG. 3 is a perspective view showing the fixed frame and lens barrel, and FIG. 4 is a cross-sectional view of a conventional light-shielding device. It is. 1...Fixed frame, 2...Lens barrel frame, 3...Groove groove, 3a...Protrusion portion, 4...Flocking material, 7...
First lens group, 7a...First lens frame, 8...Second lens group, 8a...Second lens frame, 8b...Cam pin, 9...Second lens frame cam, 9a...Cam surface, 10 ...Substrate, 11...Spring, 12a, 12
b... Bearing plate, 13a, 13b... Gear, 14a
, 14b... Drive screw, 15... Annular gear, 16
...Reduction gear.
Claims (1)
内を光軸方向に移動するレンズ鏡胴枠との摺動間
隙あるいは、光軸方向に相互に移動し合うレンズ
鏡胴枠の摺動間隙から移動鏡胴内へ侵入する外部
光を遮光する沈胴式カメラの遮光装置において、
上記固定枠の内周面もしくはレンズ鏡胴枠の周面
のいずれか一方に環状凹溝を形成すると共に、そ
の凹溝の底部中央に沿つて突条部を設け、上記環
状凹溝内に植毛材等の遮光部材の基部を収容し且
つ接着したことを特徴とする沈胴式カメラの遮光
装置。 From the sliding gap between the fixed frame fixed to the camera body and the lens barrel frame that moves in the optical axis direction within this fixed frame, or the sliding gap between the lens barrel frames that mutually move in the optical axis direction. In a light shielding device for a retractable camera that blocks external light from entering the movable lens barrel,
An annular groove is formed on either the inner circumferential surface of the fixed frame or the circumferential surface of the lens barrel frame, and a protrusion is provided along the center of the bottom of the groove, and hair is implanted in the annular groove. 1. A light shielding device for a collapsible camera, characterized in that the base of a light shielding member such as a material is accommodated and bonded to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4763790U JPH049027U (en) | 1990-05-09 | 1990-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4763790U JPH049027U (en) | 1990-05-09 | 1990-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049027U true JPH049027U (en) | 1992-01-27 |
Family
ID=31563742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4763790U Pending JPH049027U (en) | 1990-05-09 | 1990-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022181624A1 (en) * | 2021-02-26 | 2022-09-01 | ミツミ電機株式会社 | Camera |
-
1990
- 1990-05-09 JP JP4763790U patent/JPH049027U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022181624A1 (en) * | 2021-02-26 | 2022-09-01 | ミツミ電機株式会社 | Camera |