JPS61101731U - - Google Patents
Info
- Publication number
- JPS61101731U JPS61101731U JP18652484U JP18652484U JPS61101731U JP S61101731 U JPS61101731 U JP S61101731U JP 18652484 U JP18652484 U JP 18652484U JP 18652484 U JP18652484 U JP 18652484U JP S61101731 U JPS61101731 U JP S61101731U
- Authority
- JP
- Japan
- Prior art keywords
- light
- shielding tube
- shielding
- tube
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 240000004050 Pentaglottis sempervirens Species 0.000 description 1
- 235000004522 Pentaglottis sempervirens Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
Description
図面は、本考案にかかる伸縮自在な遮光筒を備
えたカメラの実施例を示し、第１図は、カメラの
外観を示す斜視図、第２図イ，ロは、カメラの縦
断側面図、第３図は、カメラ内部の分解斜視図、
第４図は、カメラの横断平面図、第５図イ，ロは
、固定遮光筒と可動遮光筒との支持状態を示す正
面図と鳥瞰図、第６図イ〜ハは、ギア機構の動き
を示す作動図、第７図は、Ｓ―Ｔ切換用モータの
駆動回路図、第８図イ，ロは、副レンズの作動を
示す背面図である。
２……カメラ、４……撮影レンズ、２０……支
持部材の一例を示す固定鏡胴、３０……外遮光筒
、３０ａ〜３０ｄ……突起、３２……内遮光筒、
３４……遮光部材の一例を示す遮光布。
The drawings show an embodiment of a camera equipped with a telescoping light-shielding tube according to the present invention, and FIG. 1 is a perspective view showing the external appearance of the camera, FIGS. Figure 3 is an exploded perspective view of the inside of the camera.
FIG. 4 is a cross-sectional plan view of the camera, FIGS. 5A and 5B are front views and bird's-eye views showing the supported state of the fixed light-shielding tube and the movable light-shielding tube, and FIGS. 6A-C show the movement of the gear mechanism. FIG. 7 is a drive circuit diagram of the ST switching motor, and FIGS. 8A and 8B are rear views showing the operation of the sub-lens. 2...Camera, 4...Photographing lens, 20...Fixed lens barrel showing an example of a support member, 30...Outer light-shielding tube, 30a to 30d...Protrusion, 32...Inner light-shielding tube,
34...Shade cloth showing an example of a light shielding member.
Claims (1)
筒を互いに相対摺動させることによつて撮影レン
ズを光軸に沿つて前後動させるように構成した伸
縮自在な遮光筒を備えたカメラにおいて、前記外
遮光筒と内遮光筒とを、ともに断面形状が矩形に
なるように構成するとともに、前記外遮光筒の内
壁角部に、内遮光筒の外壁角部と係合摺動する突
起を設け、かつ、外遮光筒の内壁周囲に、内遮光
筒の外壁周囲と接触摺動する柔軟性のある遮光部
材を配設してある伸縮自在な遮光筒を備えたカメ
ラ。 前記外遮光筒が、カメラの本体側に固定され
ている実用新案登録請求の範囲第項に記載の伸
縮自在な遮光筒を備えたカメラ。 前記内遮光筒が外遮光筒より前方へ突出した
状態において、この内遮光筒の先端部分を支持部
材によつて支持するようにしてある実用新案登録
請求の範囲第項に記載の伸縮自在な遮光筒を備
えたカメラ。[Scope of Claim for Utility Model Registration] A telescopic device having an outer light-shielding tube and an inner light-shielding tube, and configured to move the photographing lens back and forth along the optical axis by sliding these two light-shielding tubes relative to each other. In a camera equipped with a flexible light-shielding tube, the outer light-shielding tube and the inner light-shielding tube are both configured to have a rectangular cross-sectional shape, and an outer wall corner of the inner light-shielding tube is formed at an inner wall corner of the outer light-shielding tube. A retractable light-shielding tube is provided with a protrusion that engages and slides with the outer light-shielding tube, and a flexible light-shielding member that slides into contact with the outer wall of the inner light-shielding tube is arranged around the inner wall of the outer light-shielding tube. equipped camera. A camera equipped with an extendable light-shielding tube according to claim 1, wherein the outer light-shielding tube is fixed to the main body side of the camera. The extendable light shielding device according to claim 1, wherein the tip of the inner light shielding tube is supported by a support member when the inner light shielding tube protrudes forward from the outer light shielding tube. A camera with a tube.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18652484U JPS61101731U (en) | 1984-12-08 | 1984-12-08 | |
| US07/059,378 US4771303A (en) | 1984-11-10 | 1987-06-05 | Variable focal length camera |
| US07/610,453 US5099263A (en) | 1984-11-10 | 1990-11-09 | Variable focal length camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18652484U JPS61101731U (en) | 1984-12-08 | 1984-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61101731U true JPS61101731U (en) | 1986-06-28 |
Family
ID=30743988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18652484U Pending JPS61101731U (en) | 1984-11-10 | 1984-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61101731U (en) |
-
1984
- 1984-12-08 JP JP18652484U patent/JPS61101731U/ja active Pending
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