JPS6212134U - - Google Patents
Info
- Publication number
- JPS6212134U JPS6212134U JP10305585U JP10305585U JPS6212134U JP S6212134 U JPS6212134 U JP S6212134U JP 10305585 U JP10305585 U JP 10305585U JP 10305585 U JP10305585 U JP 10305585U JP S6212134 U JPS6212134 U JP S6212134U
- Authority
- JP
- Japan
- Prior art keywords
- drive lever
- lever
- mirror
- curtain
- shutter
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000011514 reflex Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
Landscapes
- Cameras In General (AREA)
- Shutters For Cameras (AREA)
- Shutter-Related Mechanisms (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
Description
第１図は説明を容易になす為に横方向に寸法的
に拡大されて変歪されて示された本考案を組込ん
だモーター駆動一眼レフレツクスカメラの要部を
示す一部破断された概略的斜視図。第２図は第１
図のセツトレバー及び先幕駆動レバー及び後幕駆
動レバー及び夫々の駆動レバーに所属する電磁装
置の配列を示す側面図。第３図は第１図のミラー
及びミラー制御レバーの関係を示す概略的説明図
。
１……カメラの光軸、２……撮影レンズ、３…
…光軸１に垂直な壁部、５……先幕駆動レバー、
７……後幕駆動レバー、８，９……電磁装置、１
１……セツトレバー、１１ｂ，１１ｃ……突起、
１１ｄ……被駆動突起、１１ｅ，１１ｇ……円弧
状カム縁、１１ｆ……ミラー制御突起、１２……
光軸１に平行な垂直壁部、１４……ミラー、１４
ａ……ピン、１５……ミラー制御レバー、１５ｂ
……カム縁、１５ｃ，１５ｄ……ピン、１６……
ばね、１７……モーター、２２……減速ギヤ列、
２３……制御ピン。
Fig. 1 is a partially cutaway diagram showing the main parts of a motor-driven single-lens reflex camera incorporating the present invention, which has been enlarged laterally and distorted for ease of explanation. Schematic perspective view. Figure 2 is the first
FIG. 3 is a side view showing the arrangement of the set lever, the leading curtain drive lever, the trailing curtain drive lever, and the electromagnetic devices belonging to the respective drive levers shown in the figure; 3 is a schematic explanatory diagram showing the relationship between the mirror and mirror control lever of FIG. 1; FIG. 1...Optical axis of the camera, 2...Photographing lens, 3...
...Wall part perpendicular to optical axis 1, 5...Front curtain drive lever,
7... Rear curtain drive lever, 8, 9... Electromagnetic device, 1
1...Set lever, 11b, 11c...Protrusion,
11d... Driven projection, 11e, 11g... Arc-shaped cam edge, 11f... Mirror control projection, 12...
Vertical wall section parallel to optical axis 1, 14...Mirror, 14
a...Pin, 15...Mirror control lever, 15b
...Cam edge, 15c, 15d...Pin, 16...
Spring, 17... Motor, 22... Reduction gear train,
23...Control pin.
補正 昭６０．８．８
実用新案登録請求の範囲を次のように補正する
。Amendment August 8, 1980 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
光軸に垂直なカメラ本体の壁部に回転可能に支
持されてシヤツター先幕を閉鎖位置に保持する第
一の位置及びこのシヤツター先幕を開放位置に保
持する第二の位置との間を枢動可能で、前記シヤ
ツター先幕を前記第二の位置に枢動させるように
ばねによつて附勢された先幕駆動レバーと、前記
壁部に回転可能に支持されてシヤツター後幕を開
放位置に保持する第一の位置及びこのシヤツター
後幕を閉鎖位置に保持する第二の位置との間を枢
動可能で、前記シヤツター後幕を前記第二の位置
に枢動させるようにばねによつて附勢された後幕
駆動レバーと、附勢されることによつて前記先幕
駆動レバー及び後幕駆動レバーを夫々その第一の
位置に吸着保持する第一及び第二の電磁装置と、
前記壁部に上下に往復摺動可能に案内支持され、
下方に移動されることによつて前記先幕駆動レバ
ー及び後幕駆動レバーを夫々その第二の位置から
第一の位置に枢動させるように前記先幕駆動レバ
ー及び後幕駆動レバーに夫々係合可能な突起を有
し、上方位置に移動されることによつて前記先幕
駆動レバー及び後幕駆動レバーを夫々その第一の
位置から第二の位置へ枢動が可能な状態とすると
共に前記壁部から垂直に大体光軸に平行に伸長す
るミラー制御突起及び被駆動突起を設けられたセ
ツトレバーと、前記壁部から光軸に平行に伸長す
る垂直壁部に枢止されてカメラの撮影レンズを透
過する光線と交叉して前記光線をカメラのフアイ
ンダーに導くように反射させる下降位置と前記光
線を感光フイルムに投射させて露光させ得る上昇
位置との間を枢動可能で前記上昇位置に押圧され
るようにばねによつて附勢されたミラーと、前記
ミラーに近接して前記垂直壁部に枢止され、ばね
によつて前記ミラーに近接するように附勢され、
前記ミラー制御突起に摺動係合して前記セツトレ
バーを前記上昇位置に移動可能のミラー制御レバ
ーと、前記垂直壁部に軸支され、カメラに設けら
れた制御回路によつて附勢されるモーターにより
駆動される減速ギヤ列とを有し、前記減速ギヤ列
には制御ピンが設けられ、この制御ピンは前記被
駆動突起に当接可能になされていて、前記制御回
路の作動は、カメラの初期位置に於て前記制御ピ
ンが前記被駆動突起を圧下して前記セツトレバー
を下降位置に移動させて前記先幕駆動レバー及び
後幕駆動レバーを夫々前記第一の位置に保持した
状態で前記モーターを停止させ、カメラのレリー
ズ作動によつて前記モーターを附勢し、前記減速
ギヤ列を介して前記制御ピンを回転させて前記被
駆動突起の上方への移動を許し、前記セツトレバ
ーを前記上方位置に移動させて前記ミラー制御レ
バー及びミラーを撮影の為の上昇位置へ枢動させ
ると共に前記セツトレバーの上昇の開始に同期し
て前記第一及び第二の電磁装置を附勢して前記先
幕駆動レバー及び後幕駆動レバーを夫々その第一
の位置に吸着保持し、前記制御回路からの撮影開
始信号により前記第一の電磁装置を滅勢して前記
先幕駆動レバーを介してシヤツター先幕を開放位
置に移動させ、設定された所定の露光時間経過後
に制御回路からの撮影終了信号によつて前記第二
の電磁装置を滅勢して前記後幕駆動レバーを介し
てシヤツター後幕を閉鎖位置に移動させて撮影を
終了し、その後の前記モーターの作動によつて前
記制御ピンの１回転後に前記モーターを停止させ
、前記減速ギヤ列、前記セツトレバー、前記先幕
駆動レバー、前記後幕駆動レバー、前記ミラー制
御レバー及び前記ミラーを夫々初期位置に復帰さ
せるようになされていることを特徴とするモータ
ー駆動一眼レフレツクスカメラのシヤツターのセ
ツト機構。[Claims for Utility Model Registration] A first position that is rotatably supported on the wall of the camera body perpendicular to the optical axis and holds the shutter front curtain in a closed position, and a second position that holds the shutter front curtain in an open position. a front curtain drive lever pivotable between two positions and biased by a spring to pivot the shutter lead curtain to the second position; and a front curtain drive lever rotatably supported on the wall. the shutter rear curtain is pivotable between a first position for holding the shutter rear curtain in an open position and a second position for holding the shutter rear curtain in a closed position; a trailing curtain drive lever biased by a spring so as to pivot; and a first curtain drive lever that attracts and holds the leading curtain drive lever and the trailing curtain drive lever in their first positions by being biased. and a second electromagnetic device;
guided and supported by the wall portion so as to be able to reciprocate up and down;
engaging the leading drive lever and the trailing drive lever, respectively, such that being moved downwardly pivots the leading drive lever and the trailing drive lever, respectively, from their second positions to their first positions; the leading curtain drive lever and the trailing curtain drive lever can be pivoted from the first position to the second position by being moved to the upper position;
a set lever provided with a mirror control projection and a driven projection both extending perpendicularly from said wall generally parallel to the optical axis; and a set lever pivotally mounted on a vertical wall extending from said wall generally parallel to the optical axis. The raised position is pivotable between a lowered position in which the light beam is reflected so as to intersect with the light beam passing through the photographic lens and guided to a viewfinder of the camera, and a raised position in which the light beam is projected onto a photosensitive film for exposure. a mirror biased by a spring so as to be pressed by a spring; a mirror pivoted to the vertical wall proximate to the mirror and biased by a spring to proximate the mirror ;
a mirror control lever slidably engaged with the mirror control protrusion to move the set lever to the raised position; and a motor pivoted on the vertical wall and energized by a control circuit provided in the camera. and a reduction gear train driven by a camera. In the initial position, the control pin presses down the driven protrusion to move the set lever to the lowered position, and the motor is operated with the leading curtain drive lever and the trailing curtain drive lever held at the first position. is stopped, the motor is energized by the camera release operation, the control pin is rotated via the reduction gear train to allow upward movement of the driven protrusion, and the set lever is moved to the upper position. to pivot the mirror control lever and the mirror to the raised position for photographing, and energize the first and second electromagnetic devices in synchronization with the start of the raising of the set lever to drive the front curtain. The lever and the trailing curtain drive lever are respectively held in their first positions by suction, and the first electromagnetic device is deenergized in response to a photographing start signal from the control circuit to operate the shutter front curtain via the front curtain drive lever. After a set predetermined exposure time has elapsed, the second electromagnetic device is deactivated in response to a photographing end signal from the control circuit, and the shutter rear curtain is moved to a closed position via the rear curtain drive lever. After the control pin has rotated once, the motor is stopped by the subsequent operation of the motor, and the reduction gear train, the set lever, the leading curtain drive lever, and the trailing curtain drive lever are . A shutter setting mechanism for a motor-driven single-lens reflex camera, characterized in that said mirror control lever and said mirror are respectively returned to their initial positions.
Claims (1)
持されてシヤツター先幕を閉鎖位置に保持する第
一の位置及びこのシヤツター先幕を開放位置に保
持する第二の位置との間を駆動可能で、前記シヤ
ツター先幕を前記第二の位置に枢動させるように
ばねによつて附勢された先幕駆動レバーと、前記
壁部に回転可能に支持されてシヤツター後幕を開
放位置に保持する第一の位置及びこのシヤツター
後幕を閉鎖位置に保持する第二の位置との間を枢
動可能で、前記シヤツター後幕を前記第二の位置
に枢動させるようにばねによつて附勢された後幕
駆動レバーと、附勢されることによつて前記先幕
駆動レバー及び後幕駆動レバーを夫々その第一の
位置に吸着保持する第一及び第二の電磁装置と、
前記壁部に上下に往復摺動可能に案内支持され、
下方に移動されることによつて前記先幕駆動レバ
ー及び後幕駆動レバーを夫々その第二の位置から
第一の位置に駆動させるように前記先幕駆動レバ
ー及び後幕駆動レバーに夫々係合可能な突起を有
し、上方位置に移動されることによつて前記先幕
駆動レバー及び後幕駆動レバーを夫々その第一の
位置から第二の位置へ枢動が可能な状態な状態と
共に前記壁部から垂直に大体光軸に平行に伸長す
るミラー制御突起及び被駆動突起を設けられたセ
ツトレバーと、前記壁部から光軸に平行に伸長す
る垂直壁部に枢止されてカメラの撮影レンズを透
過する光線と交叉して前記光線をカメラのフアイ
ンダーに導くように反射させる下降位置と前記光
線を感光フイルムに投射させて露光させ得る上昇
位置との間を枢動可能で前記上昇位置に押圧され
るようにばねによつて附勢されたミラーと、前記
ミラーに近接して前記垂直壁部に枢止され、ばね
によつて前記ミラーに近接するするように附勢さ
れてミラーに設けられた係合ピンに摺動係合して
ミラーと共に枢動され、前記ミラー制御突起に摺
動係合して前記セツトレバーを前記上昇位置に移
動可能のミラー制御レバーと、前記垂直壁部に軸
支され、カメラに設けられた制御回路によつて附
勢されるモーターにより駆動される減速ギヤ列と
を有し、前記減速ギヤ列には制御ピンが設けられ
、この制御ピンは前記被駆動突起に当接可能にな
されていて、前記制御回路の作動は、カメラの初
期位置に於て前記制御ピンが前記被駆動突起を圧
下して前記セツトレバーを下降位置に移動させて
前記先幕駆動レバー及び後幕駆動レバーを夫々前
記第一の位置に保持した状態で前記モーターを停
止させ、カメラのレリーズ作動によつて前記モー
ターを附勢し、前記減速ギヤ列を介して前記制御
ピンを回転させて前記被駆動突起の上方への移動
を許し、前記セツトレバーを前記上方位置に移動
させて前記ミラー制御レバー及びミラーを撮影の
為の上昇位置へ駆動させると共に前記セツトレバ
ーの上昇の開始に同期して前記第一及び第二の電
磁装置を附勢して前記先幕駆動レバー及び後幕駆
動レバーを夫々その第一の位置に吸着保持し、前
記制御回路からの撮影開始信号により前記第一の
電磁装置を減勢して前記先幕駆動レバーを介して
シヤツター先幕を開放位置に移動させ、設定され
た所定の露光時間経過後に制御回路からの撮影終
了信号によつて前記第二の電磁装置を減勢して前
記後幕駆動レバーを介してシヤツター後幕を閉鎖
位置に移動させて撮影を終了し、その後の前記モ
ーターの作動によつて前記制御ピンの１回転後に
前記モーターを停止させ、前記減速ギヤ列、前記
セツトレバー、前記先幕駆動レバー、前記後幕駆
動レバー、前記ミラー制御レバー及び前記ミラー
を夫々初期位置に復帰させるようになされている
ことを特徴とするモーター駆動一眼レフレツクス
カメラのシヤツターセツト機構。 Rotatably supported by a wall of the camera body perpendicular to the optical axis, the shutter is driven between a first position where the front shutter curtain is held in a closed position and a second position where the front shutter curtain is held in an open position. a leading shutter drive lever rotatably supported by the wall and pivoting the leading shutter curtain to the second position; pivotable between a first position for retaining the shutter trailing curtain and a second position for retaining the shutter trailing curtain in a closed position, the shutter trailing curtain being pivotable by a spring to pivot the shutter trailing curtain to the second position; an energized trailing curtain drive lever; first and second electromagnetic devices that attract and hold the leading curtain drive lever and the trailing curtain drive lever at their first positions by being energized;
guided and supported by the wall portion so as to be able to reciprocate up and down;
engages the leading curtain drive lever and the trailing curtain drive lever, respectively, so that the leading curtain drive lever and the trailing curtain drive lever are respectively driven from the second position to the first position by being moved downward; the leading curtain drive lever and the trailing curtain drive lever, respectively, having a protrusion that can be moved to an upper position to pivot the leading drive lever and the trailing drive lever from their first position to their second position; a set lever provided with a mirror control protrusion and a driven protrusion extending perpendicularly from the wall generally parallel to the optical axis; and a photographing lens of the camera pivotally mounted on the vertical wall extending from the wall generally parallel to the optical axis. The light beam is pivotable between a lowered position in which the light beam is reflected so as to intersect with the light beam transmitted through the camera and guided to a viewfinder of the camera, and a raised position in which the light beam is projected onto a photosensitive film for exposure, and is pressed into the raised position. a mirror biased by a spring so as to be close to the mirror; and a mirror pivoted to the vertical wall proximate to the mirror and biased by the spring to proximate the mirror. a mirror control lever that is slidably engaged with the engagement pin that is pivoted together with the mirror and that is slidably engaged with the mirror control protrusion to move the set lever to the raised position; and a mirror control lever that is pivoted on the vertical wall. and a reduction gear train driven by a motor energized by a control circuit provided in the camera, and the reduction gear train is provided with a control pin, and the control pin is connected to the driven protrusion. The operation of the control circuit is such that when the camera is in the initial position, the control pin presses down the driven protrusion and moves the set lever to the lowered position, thereby opening the front curtain drive lever and the rear curtain drive lever. The motors are stopped while each curtain drive lever is held at the first position, and the motors are energized by the release operation of the camera, and the control pin is rotated via the reduction gear train. The driven protrusion is allowed to move upward, and the set lever is moved to the upper position to drive the mirror control lever and mirror to the raised position for photographing, and the set lever is moved to the upper position in synchronization with the start of raising of the set lever. The first and second electromagnetic devices are energized to attract and hold the leading curtain drive lever and the trailing curtain drive lever at their first positions, respectively, and the first electromagnetic device is activated by a photographing start signal from the control circuit. The shutter front curtain is moved to an open position via the front curtain drive lever by deenergizing it, and after a set predetermined exposure time has elapsed, the second electromagnetic device is deenergized by a photographing end signal from the control circuit. The shutter rear curtain is then moved to the closed position via the trailing curtain drive lever to complete the photographing, and the motor is then stopped after one revolution of the control pin by the subsequent operation of the motor, and the reduction gear is moved to the closed position. A shutter set for a motor-driven single-lens reflex camera, characterized in that the set lever, the front curtain drive lever, the rear curtain drive lever, the mirror control lever, and the mirror are respectively returned to their initial positions. mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10305585U JPH0440192Y2 (en) | 1985-07-06 | 1985-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10305585U JPH0440192Y2 (en) | 1985-07-06 | 1985-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6212134U true JPS6212134U (en) | 1987-01-24 |
| JPH0440192Y2 JPH0440192Y2 (en) | 1992-09-21 |
Family
ID=30975253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10305585U Expired JPH0440192Y2 (en) | 1985-07-06 | 1985-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440192Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007127836A (en) * | 2005-11-04 | 2007-05-24 | Olympus Imaging Corp | Single-lens reflex camera |
-
1985
- 1985-07-06 JP JP10305585U patent/JPH0440192Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007127836A (en) * | 2005-11-04 | 2007-05-24 | Olympus Imaging Corp | Single-lens reflex camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0440192Y2 (en) | 1992-09-21 |
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