JPS5823315U - Automatic fringing drive device for single-lens reflex camera lenses - Google Patents

Automatic fringing drive device for single-lens reflex camera lenses

Info

Publication number
JPS5823315U
JPS5823315U JP11639281U JP11639281U JPS5823315U JP S5823315 U JPS5823315 U JP S5823315U JP 11639281 U JP11639281 U JP 11639281U JP 11639281 U JP11639281 U JP 11639281U JP S5823315 U JPS5823315 U JP S5823315U
Authority
JP
Japan
Prior art keywords
arm
lens
automatic
drive lever
drive
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
Application number
JP11639281U
Other languages
Japanese (ja)
Inventor
森　繁満
Original Assignee
富士写真光機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 富士写真光機株式会社 filed Critical 富士写真光機株式会社
Priority to JP11639281U priority Critical patent/JPS5823315U/en
Publication of JPS5823315U publication Critical patent/JPS5823315U/en
Pending legal-status Critical Current

Links

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図は、この考案による装置の実施例を示す構成図。・　
・ １・・・第１の駆動レバー、２・・・駆動杆、４・・・
第２ノ駆動レバー、５・・・中間レバー。The figure is a configuration diagram showing an embodiment of the device according to this invention.・
・ 1... First drive lever, 2... Drive rod, 4...
2nd drive lever, 5... intermediate lever.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 撮影レンズの移動に伴なって該レンズに設げた自動絞り
開閉部材が光軸方向に変位するような一眼レフカメラ用
レンズにおいて、レンズ鏡筒の固定部に第１の駆動レバ
ーを回動自在に枢支してその第１腕と、レンズ鏡筒の固
定部に設けた第２の駆動レバーの第１腕との間に光軸に
平行に進退する駆動杆を設けると共に、第１の駆動レバ
ーの第２腕と第２の駆動レバーの第２腕との間に支点と
作用点間の距離が等しい中間レバーをレンズ鏡筒の固定
部に回動自在に枢支し、第１の駆動レバーの第１腕をカ
メラ側から駆動することによって、前記駆動杆に当接す
る前記自動絞り開閉部材を変位させるようにした自動絞
り駆動装置。In a single-lens reflex camera lens in which an automatic aperture opening/closing member provided on the lens is displaced in the optical axis direction as the photographing lens moves, a first drive lever is rotatably mounted on a fixed part of the lens barrel. A drive rod that moves back and forth parallel to the optical axis is provided between the first arm of the second drive lever that is pivotally supported and the first arm of the second drive lever that is provided on the fixed part of the lens barrel. An intermediate lever having an equal distance between the fulcrum and the point of action is rotatably supported on a fixed part of the lens barrel between the second arm of the second drive lever and the second arm of the second drive lever. An automatic diaphragm drive device configured to displace the automatic diaphragm opening/closing member that comes into contact with the drive rod by driving a first arm of the camera from the camera side.
JP11639281U 1981-08-05 1981-08-05 Automatic fringing drive device for single-lens reflex camera lenses Pending JPS5823315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11639281U JPS5823315U (en) 1981-08-05 1981-08-05 Automatic fringing drive device for single-lens reflex camera lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11639281U JPS5823315U (en) 1981-08-05 1981-08-05 Automatic fringing drive device for single-lens reflex camera lenses

Publications (1)

Publication Number Publication Date
JPS5823315U true JPS5823315U (en) 1983-02-14

Family

ID=29910615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11639281U Pending JPS5823315U (en) 1981-08-05 1981-08-05 Automatic fringing drive device for single-lens reflex camera lenses

Country Status (1)

Country Link
JP (1) JPS5823315U (en)

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