JPS5951330U - Automatic aperture mechanism in lens barrel - Google Patents
Automatic aperture mechanism in lens barrelInfo
- Publication number
- JPS5951330U JPS5951330U JP14686882U JP14686882U JPS5951330U JP S5951330 U JPS5951330 U JP S5951330U JP 14686882 U JP14686882 U JP 14686882U JP 14686882 U JP14686882 U JP 14686882U JP S5951330 U JPS5951330 U JP S5951330U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- rotates
- automatic
- chrysanthemum
- optical axis
- 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
Landscapes
- Diaphragms For Cameras (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は、本考案に係る自動絞り機構の一実施例の構成を示
す斜視図である。
１・・・・・・自動絞りレバー、２・・・・・・レンズ
鏡筒、３・・・・・・作動レバー、４・・・・・・自動
絞り軸、５・・・・・・第１クランク部材、６・・・・
・・第２クランク部材、７・曲・菊座、９・・・・・・
ばね、１０・・・・・・ベルクランク、１１・・・・・
・カムリング、１２・・・・・・絞り羽根。The figure is a perspective view showing the configuration of an embodiment of the automatic diaphragm mechanism according to the present invention. 1... Automatic aperture lever, 2... Lens barrel, 3... Operating lever, 4... Automatic aperture axis, 5... First crank member, 6...
...Second crank member, 7, song, chrysanthemum, 9...
Spring, 10... Bell crank, 11...
・Cam ring, 12...Aperture blade.
Claims (1)
されカメラ本体側の自動絞りレバーの作動に応動して光
軸と略直交する軸を中心として回動する作動レバーと、
レンズ体の外側に配置されて鏡筒の固定部に軸支され前
記作動レバーの作動に応動して光軸と略平行する軸を中
心として回動する自動絞り軸と、この自動絞り軸に嵌合
されてその軸方向に摺動可能とされ該自動絞り軸と−・
体重に回動する菊座駆動部材と、この菊座駆動部材の回
動により光軸を中心として回動し絞り羽根を開閉させる
菊座とを有することを特徴とするレンズ鏡筒における自
動絞り機構。an operating lever that is disposed outside the lens body, has an intermediate portion pivoted to the lens barrel fixing part, and rotates about an axis substantially perpendicular to the optical axis in response to the operation of an automatic aperture lever on the camera body side;
an automatic diaphragm shaft that is disposed outside the lens body and is pivotally supported by a fixed part of the lens barrel and rotates about an axis substantially parallel to the optical axis in response to the actuation of the operating lever; The automatic aperture shaft is fitted so that it can slide in its axial direction.
An automatic diaphragm mechanism in a lens barrel, characterized by having a chrysanthemum drive member that rotates with body weight, and a chrysanthemum seat that rotates about an optical axis by rotation of the chrysanthemum drive member to open and close an aperture blade. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14686882U JPS5951330U (en) | 1982-09-28 | 1982-09-28 | Automatic aperture mechanism in lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14686882U JPS5951330U (en) | 1982-09-28 | 1982-09-28 | Automatic aperture mechanism in lens barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5951330U true JPS5951330U (en) | 1984-04-04 |
Family
ID=30326773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14686882U Pending JPS5951330U (en) | 1982-09-28 | 1982-09-28 | Automatic aperture mechanism in lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5951330U (en) |
-
1982
- 1982-09-28 JP JP14686882U patent/JPS5951330U/en active Pending
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