JPH0386330U - - Google Patents
Info
- Publication number
- JPH0386330U JPH0386330U JP14669389U JP14669389U JPH0386330U JP H0386330 U JPH0386330 U JP H0386330U JP 14669389 U JP14669389 U JP 14669389U JP 14669389 U JP14669389 U JP 14669389U JP H0386330 U JPH0386330 U JP H0386330U
- Authority
- JP
- Japan
- Prior art keywords
- step motor
- rotor
- sector
- stator
- rotates
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shutters For Cameras (AREA)
Description
第１図は本考案の１実例に係るプログラムシヤ
ツタの駆動力伝達列を示す平面図、第２図は上記
ステツプモータのモータ取付状態を示す平面図、
第３図は第２図の断面図、第４図及び第５図は上
記実施例による開口特性線図。
１ａ……露出様アパーチユア、２，３……セク
タ、４……カムレバー、４ａ……ギア、４ｂ……
カム溝、５……出力ピニオン、６……カム連動レ
バー、６ａ……カムフオロア、１０……ステツプ
モータ。
FIG. 1 is a plan view showing a driving force transmission train of a program shutter according to an example of the present invention, and FIG. 2 is a plan view showing the motor mounting state of the step motor.
FIG. 3 is a sectional view of FIG. 2, and FIGS. 4 and 5 are aperture characteristic diagrams according to the above embodiment. 1a... Exposure aperture, 2, 3... Sector, 4... Cam lever, 4a... Gear, 4b...
Cam groove, 5...output pinion, 6...cam interlocking lever, 6a...cam follower, 10...step motor.
Claims (1)
に供給される駆動パルスの位相順序に対応して正
方向又は逆方向にステツプ回転するステツプモー
タと、該ステツプモータの回転を前記セクタに伝
達する伝達列を有し、前記ステツプモータの回転
を制御することにより前記セクタを開閉制御する
様にしたプログラムシヤツタにおいて、 前記ステツプモータは軸を中心にステツプ回転
するロータと、該ロータをステツプ回転させる磁
界を形成するステータとを有するとともに、 該ステータの取付位置を前記ロータの回転軸を
中心に旋回可能としたことを特徴とするプログラ
ムシヤツタ。 (2) 第１請求項記載のプログラムシヤツタにお
いて、 前記ステータは、前記伝達列を支承する地板か
ら少なくとも前記ステツプモータを収納する空間
を隔てて平行に配設されたプレート部材に取り付
けられ、該プレート部材に対する取付位置を前記
ロータの回転軸を中心に旋回可能としたことを特
徴とするプログラムシヤツタ。[Claims for Utility Model Registration] (1) A sector that forms a lens aperture, a step motor that rotates in steps in the forward or reverse direction in accordance with the phase order of drive pulses supplied in time sequence, and the step motor The program shutter has a transmission train that transmits the rotation of the step motor to the sector, and controls opening and closing of the sector by controlling the rotation of the step motor, wherein the step motor is a rotor that rotates in steps around an axis. and a stator that forms a magnetic field that rotates the rotor in steps, and the mounting position of the stator is rotatable about the rotation axis of the rotor. (2) In the program shutter according to claim 1, the stator is attached to a plate member disposed in parallel with at least a space for accommodating the step motor separated from a base plate supporting the transmission train, and A program shutter characterized in that the mounting position relative to the plate member can be rotated around the rotation axis of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14669389U JPH0386330U (en) | 1989-12-20 | 1989-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14669389U JPH0386330U (en) | 1989-12-20 | 1989-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0386330U true JPH0386330U (en) | 1991-08-30 |
Family
ID=31693242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14669389U Pending JPH0386330U (en) | 1989-12-20 | 1989-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0386330U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01137134A (en) * | 1987-11-25 | 1989-05-30 | Matsushita Electric Works Ltd | Heat accumulation device |
-
1989
- 1989-12-20 JP JP14669389U patent/JPH0386330U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01137134A (en) * | 1987-11-25 | 1989-05-30 | Matsushita Electric Works Ltd | Heat accumulation device |
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