JPS5898617U - Camera electric zoom operation device - Google Patents
Camera electric zoom operation deviceInfo
- Publication number
- JPS5898617U JPS5898617U JP19617481U JP19617481U JPS5898617U JP S5898617 U JPS5898617 U JP S5898617U JP 19617481 U JP19617481 U JP 19617481U JP 19617481 U JP19617481 U JP 19617481U JP S5898617 U JPS5898617 U JP S5898617U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- zoom
- movable
- camera
- lever
- 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
- Focusing (AREA)
- Lens Barrels (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
第１図は本考案の実施例の断面図、第２図は第１図実施
例の電気回路の説明図、第３図は第１図実施例のカム部
の説明図、第４図はカム面の異なる他の実施例を示す説
明図である。
２・・・可逆モーター、６，１０．１１・・・減速歯車
機構、１０．１３・・・クラッチ装置、１６・・・ズー
ムレンズ、１７・・・手動ズーム環、１Ｂ・・・鏡筒歯
車、Ｌ、・・・固定レンズ、”２１ Ｌ３・・・移動レ
レズ、１９・・・スイッチ操作部材、２２・・・カム部
材、２２ａ。
２２’ａ・・・カム面、２２ｂ、２２’ ｂ−・・谷部
、２３・・・従動子、２５・・・カムレバー、２９・・
・復帰ばね。Fig. 1 is a sectional view of the embodiment of the present invention, Fig. 2 is an explanatory diagram of the electric circuit of the embodiment of Fig. 1, Fig. 3 is an explanatory diagram of the cam part of the embodiment of Fig. 1, and Fig. 4 is a cam It is an explanatory view showing another example with a different surface. 2... Reversible motor, 6, 10.11... Reduction gear mechanism, 10.13... Clutch device, 16... Zoom lens, 17... Manual zoom ring, 1B... Lens barrel gear , L... Fixed lens, 21 L3... Movable lens, 19... Switch operation member, 22... Cam member, 22a. 22'a... Cam surface, 22b, 22' b- ...Tanibe, 23...Follower, 25...Cam lever, 29...
・Return spring.
Claims (4)
ムレンズのレンズ移動機構に伝え、移動レー ンズを光
一方向に進退させて女−ム変倍させるカメラの電動ズー
ム変倍装置において、前記可逆モーター回転方向を制御
するためにモーターの停止する中間点からそれぞれ反対
方向へ移動可能なスイッチ操作部材と、中央の谷部に向
って傾斜するカム面を有し且つ前記スイッチ操作部材に
連動するカム部材と、前記カム面をころがる従動子を有
し且つ復帰ばねによって該従動子が前記カム面を圧する
ように付勢されたカムレバーとを設け、前記カム部材を
前記スイッチ操作部材と前記カムレバーの双方から移動
し得る如くなすと共に、前記カムレバーの動きに連動し
て作動するクラッチ装置を前記減速歯車機構に設けたこ
とを特徴とするカメラの電動ズーム操作装置。(1) In an electric zoom magnification device for a camera that transmits the rotation of a reversible motor to a lens moving mechanism of a zoom lens via a reduction gear mechanism to move a moving lens forward and backward in one direction of light to change the magnification of the zoom lens, the reversible A switch operating member that is movable in opposite directions from an intermediate point where the motor stops in order to control the motor rotation direction, and a cam that has a cam surface that slopes toward a central valley and that is interlocked with the switch operating member. and a cam lever having a follower that rolls on the cam surface and is biased by a return spring so that the follower presses the cam surface, and the cam lever is connected to both the switch operating member and the cam lever. An electric zoom operating device for a camera, characterized in that the reduction gear mechanism is provided with a clutch device that is configured to be movable from the cam lever and that operates in conjunction with the movement of the cam lever.
装置において、前記カムレバー２５は、前記従動子２，
３が前記カム面の谷部２２ｂに嵌入したときに前記クラ
ッチ装置の噛み合いを解除し且つ前記カム部材２２を介
して前記スイッチ操作部材１９をその中間点に保持する
如１．＜構成されていることを特徴とするカメラの電動
ズーム操作装置。(2) Utility Model Registration In the zoom operating device according to claim 1, the cam lever 25 is configured to include the follower 2,
3 is fitted into the trough 22b of the cam surface, the clutch device is disengaged, and the switch operating member 19 is held at its midpoint via the cam member 22.1. An electric zoom operation device for a camera, characterized by comprising:
のズーム操作装置において、前記クラッチ装置は、前記
減速歯車機構の一部を構成すると共にズームレンズ光軸
方向に移動可能な移動歯車１０と該移動歯車を付勢する
圧縮ばね１３とから構成され、前詰カムレバー２５は、
前記復帰ばね２９の弾力によって前記移動歯車１０を移
動し、前記減速歯車機構から前記移動歯車１０を離脱さ
せるように構成したことを特徴とするカメラの電動ズー
ム操作装置。(3) Utility Model Registration Scope of Claims In the zoom operating device according to claim 1 or 2, the clutch device constitutes a part of the reduction gear mechanism and is a movable gear movable in the optical axis direction of the zoom lens. 10 and a compression spring 13 that biases the moving gear.
An electric zoom operating device for a camera, characterized in that the movable gear 10 is moved by the elasticity of the return spring 29, and the movable gear 10 is disengaged from the reduction gear mechanism.
装置において、前記カムレバー２５は、前記従動子２３
の変位量を拡大するレバー比の大きい揺動レバーに形成
され、該カムレバーに連動する前記移動歯車１０の移動
方向と、前記カム部材２２に連動する前記スイッチ操作
部材１９の移動方向とはミ互いに直角となるように構成
されていることを特徴とするカメラの電動ズーム操作装
置。(4) Utility Model Registration In the zoom operating device according to claim 3, the cam lever 25 is arranged so that the follower 23
The moving direction of the movable gear 10, which is formed as a swinging lever with a large lever ratio that increases the amount of displacement of the cam lever, and the moving direction of the switch operating member 19, which is linked to the cam member 22, are mutually different from each other. An electric zoom operation device for a camera, characterized in that it is configured to be at a right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19617481U JPS5898617U (en) | 1981-12-25 | 1981-12-25 | Camera electric zoom operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19617481U JPS5898617U (en) | 1981-12-25 | 1981-12-25 | Camera electric zoom operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5898617U true JPS5898617U (en) | 1983-07-05 |
Family
ID=30109423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19617481U Pending JPS5898617U (en) | 1981-12-25 | 1981-12-25 | Camera electric zoom operation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5898617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02285311A (en) * | 1989-04-27 | 1990-11-22 | Fuji Photo Optical Co Ltd | Lens device for television camera |
| JP2015191098A (en) * | 2014-03-28 | 2015-11-02 | 株式会社Ｊｖｃケンウッド | Lens position adjustment mechanism, varifocal lens and monitoring camera |
-
1981
- 1981-12-25 JP JP19617481U patent/JPS5898617U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02285311A (en) * | 1989-04-27 | 1990-11-22 | Fuji Photo Optical Co Ltd | Lens device for television camera |
| JP2015191098A (en) * | 2014-03-28 | 2015-11-02 | 株式会社Ｊｖｃケンウッド | Lens position adjustment mechanism, varifocal lens and monitoring camera |
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