JPS62127530U - - Google Patents

Info

Publication number
JPS62127530U
JPS62127530U JP1471586U JP1471586U JPS62127530U JP S62127530 U JPS62127530 U JP S62127530U JP 1471586 U JP1471586 U JP 1471586U JP 1471586 U JP1471586 U JP 1471586U JP S62127530 U JPS62127530 U JP S62127530U
Authority
JP
Japan
Prior art keywords
sector
step motor
stators
rotor
closing
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
JP1471586U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1471586U priority Critical patent/JPS62127530U/ja
Publication of JPS62127530U publication Critical patent/JPS62127530U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Shutters For Cameras (AREA)

Description

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

第１図は本考案のステツプモータの平面図、第
２図は第１図の断面図、第３図はステツプモータ
で駆動されるセクタ開閉部の平面図、第４図は第
３図の平面図、第５図は駆動回路より出力信号の
波形図と、セクタの作動線図、第６図はステツプ
モータの動作図である。 １……ロータ、５……ロータカナ、６……ステ
ータ、７……コイル、９……駆動回路、１１……
地板、１３……セクタ、１４……セクタ駆動レバ
、１５……セクタ駆動車、１７……アイドラー車
。 Fig. 1 is a plan view of the step motor of the present invention, Fig. 2 is a sectional view of Fig. 1, Fig. 3 is a plan view of the sector opening/closing section driven by the step motor, and Fig. 4 is a plan view of Fig. 3. 5 is a waveform diagram of the output signal from the drive circuit and an operation diagram of the sector, and FIG. 6 is an operation diagram of the step motor. 1... Rotor, 5... Rotor pinion, 6... Stator, 7... Coil, 9... Drive circuit, 11...
Main plate, 13... Sector, 14... Sector drive lever, 15... Sector drive vehicle, 17... Idler vehicle.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] レンズ開口を形成する複数のセクトと、正逆回
転可能に制御できるステツプモータを有し、該ス
テツプモータと上記セクタとを歯車列等により間
接的に連結してセクタの開閉を制御するシヤツタ
において、上記ステツプモータは、回転自在に支
持され径方向に着磁された永久磁石からなるロー
タと、Ｕ字形状で且つ円弧状をなす１対の脚部を
有し上記脚部の各端部に上記ロータの外周に対向
する磁極部を形成した２つのステータと、上記ス
テータを励磁させるコイルとにより構成されてい
ることを特徴とするセクタ開閉装置。 A shutter that has a plurality of sectors forming a lens aperture and a step motor that can be controlled to rotate in forward and reverse directions, and in which the step motor and the sector are indirectly connected by a gear train or the like to control opening and closing of the sector, The step motor has a rotor made of a rotatably supported and radially magnetized permanent magnet, and a pair of U-shaped and arcuate legs. A sector opening/closing device comprising two stators having magnetic pole portions facing each other on the outer periphery of a rotor, and a coil for exciting the stators.
JP1471586U 1986-02-04 1986-02-04 Pending JPS62127530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1471586U JPS62127530U (en) 1986-02-04 1986-02-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1471586U JPS62127530U (en) 1986-02-04 1986-02-04

Publications (1)

Publication Number Publication Date
JPS62127530U true JPS62127530U (en) 1987-08-13

Family

ID=30804958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1471586U Pending JPS62127530U (en) 1986-02-04 1986-02-04

Country Status (1)

Country Link
JP (1) JPS62127530U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63176371U (en) * 1987-02-19 1988-11-15
JPH0191649A (en) * 1987-09-30 1989-04-11 Seikosha Co Ltd Stepping motor
JPH01116583U (en) * 1988-01-30 1989-08-07
JPH03207254A (en) * 1990-01-06 1991-09-10 Canon Inc Exposure value adjusting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63176371U (en) * 1987-02-19 1988-11-15
JPH0191649A (en) * 1987-09-30 1989-04-11 Seikosha Co Ltd Stepping motor
JPH01116583U (en) * 1988-01-30 1989-08-07
JPH03207254A (en) * 1990-01-06 1991-09-10 Canon Inc Exposure value adjusting device

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