JPS61143130U - - Google Patents
Info
- Publication number
- JPS61143130U JPS61143130U JP2681385U JP2681385U JPS61143130U JP S61143130 U JPS61143130 U JP S61143130U JP 2681385 U JP2681385 U JP 2681385U JP 2681385 U JP2681385 U JP 2681385U JP S61143130 U JPS61143130 U JP S61143130U
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- lever
- ring
- cam member
- camera body
- 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
- Lens Barrels (AREA)
- Diaphragms For Cameras (AREA)
Description
第１図および第２図は本考案の一実施例を示し
ており、第１図は絞り装置の斜視図、第２図は絞
り装置が組み込まれたズームレンズ鏡筒の断面図
である。
１……レンズ鏡筒（ズームレンズ鏡筒）、２…
…絞り装置、３……絞り環、１０……絞り羽根駆
動リング、１１……ボールベアリング、１２……
絞り込みレバー、１３……駆動レバー、１４……
カム部材、１４ａ……カム部（カム面）。
1 and 2 show an embodiment of the present invention, in which FIG. 1 is a perspective view of a diaphragm device, and FIG. 2 is a sectional view of a zoom lens barrel in which the diaphragm device is incorporated. 1...Lens barrel (zoom lens barrel), 2...
...Aperture device, 3...Aperture ring, 10...Aperture blade drive ring, 11...Ball bearing, 12...
Aperture lever, 13... Drive lever, 14...
Cam member, 14a... cam portion (cam surface).
Claims (1)
メラボデイ側端部に設けられ、シヤツターレリー
ズ時に係止が解除されて付勢力によつて変位する
絞り込みレバーと、該絞り込みレバーと共に回動
するボールベアリングによつて駆動され、該絞り
込みレバーの動きを絞り羽根駆動リングに伝達す
る駆動レバーと、前記絞り環に連動して回動変位
するカム部材とを備え、該カム部材のカム部で前
記駆動レバーの回動量を制限して所定の絞り値を
得るレンズ鏡筒の絞り装置において、前記カム部
材を前記絞り環と一体的に設けたことを特徴とす
るレンズ鏡筒の絞り装置。 An aperture ring provided at the end of the camera body, an aperture lever provided at the end of the camera body that is unlocked and displaced by an urging force when the shutter is released, and rotates together with the aperture lever. The drive lever is driven by a ball bearing and transmits the movement of the aperture lever to the aperture blade drive ring, and the cam member is rotatably displaced in conjunction with the aperture ring, and the cam portion of the cam member 1. A lens barrel diaphragm device for obtaining a predetermined aperture value by limiting the amount of rotation of a drive lever, characterized in that the cam member is provided integrally with the diaphragm ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2681385U JPS61143130U (en) | 1985-02-26 | 1985-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2681385U JPS61143130U (en) | 1985-02-26 | 1985-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61143130U true JPS61143130U (en) | 1986-09-04 |
Family
ID=30523172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2681385U Pending JPS61143130U (en) | 1985-02-26 | 1985-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61143130U (en) |
-
1985
- 1985-02-26 JP JP2681385U patent/JPS61143130U/ja active Pending
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