JPS6144637U - Step motor driven sector opening/closing device - Google Patents

Step motor driven sector opening/closing device

Info

Publication number
JPS6144637U
JPS6144637U JP12960784U JP12960784U JPS6144637U JP S6144637 U JPS6144637 U JP S6144637U JP 12960784 U JP12960784 U JP 12960784U JP 12960784 U JP12960784 U JP 12960784U JP S6144637 U JPS6144637 U JP S6144637U
Authority
JP
Japan
Prior art keywords
step motor
rotor
pinion
closing device
motor driven
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
JP12960784U
Other languages
Japanese (ja)
Inventor
倍男 荻原
茂 田上
圓男 篠崎
Original Assignee
株式会社精工舎
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 by 株式会社精工舎 filed Critical 株式会社精工舎
Priority to JP12960784U priority Critical patent/JPS6144637U/en
Publication of JPS6144637U publication Critical patent/JPS6144637U/en
Pending legal-status Critical Current

Links

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

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

第１図は本考案の第１実施例を示す断面図、第２図は第
１実施例の歯車列およびセクタ開閉部の平面図、第３図
は第１実施例のステップモータの平面図、第４図は駆動
回路の出力信号およびセクタの作動線図、第５図は第１
実施例のロータの平面図、第６図は第２実施例を示すロ
ータの断面図である。 １，２０・・・ロータ、ｌｂ，２ｌｂ・・・ピニオン、
２，２１・・・ロータ軸、Ｍ・・・ステップモータ、９
・・・セクタ駆動レバー、１０・・・セクタ駆動車、１
２・・・アイドラー車。FIG. 1 is a sectional view showing the first embodiment of the present invention, FIG. 2 is a plan view of the gear train and sector opening/closing section of the first embodiment, and FIG. 3 is a plan view of the step motor of the first embodiment. Figure 4 is the output signal and sector operation diagram of the drive circuit, and Figure 5 is the first
A plan view of the rotor of the embodiment, and FIG. 6 is a sectional view of the rotor showing the second embodiment. 1, 20...rotor, lb, 2lb...pinion,
2, 21... Rotor shaft, M... Step motor, 9
... Sector drive lever, 10... Sector drive wheel, 1
2...Idler car.

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タと、正逆回転可能に
制御出来るステップモータと、上記セクタを駆動するセ
クタ駆動部材と、上記ステップモータと上記セクタ駆動
部材とを連結する歯車列等から成る伝達手段とを有して
上記セクタの開閉作動を制御するシャッターにおいて、
上記ステップモータは、円周上に多極着磁されたロータ
と、複数のステータと、上記ステータを励磁するコイル
と、上記ロータの回転を出力するピニオンとを有すると
共に、少なくとも上記ロータと上記ピニオンが一体的で
、しかも上記ピニオンの歯数が上記ロータの極数の整数
倍となるよう形成し、更に上記ロータの極と上記ピニオ
ンの歯の相互位相を一定にしたことを特徴とするセクタ
開閉装置。A transmission means comprising a plurality of sectors forming a lens aperture, a step motor that can be controlled to rotate in forward and reverse directions, a sector drive member that drives the sectors, and a gear train that connects the step motor and the sector drive member. A shutter for controlling the opening/closing operation of the sector,
The step motor includes a multi-pole magnetized rotor on a circumference, a plurality of stators, a coil that excites the stator, and a pinion that outputs rotation of the rotor, and includes at least the rotor and the pinion. are integral, the number of teeth of the pinion is formed to be an integral multiple of the number of poles of the rotor, and the mutual phase of the poles of the rotor and the teeth of the pinion is constant. Device.
JP12960784U 1984-08-27 1984-08-27 Step motor driven sector opening/closing device Pending JPS6144637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12960784U JPS6144637U (en) 1984-08-27 1984-08-27 Step motor driven sector opening/closing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12960784U JPS6144637U (en) 1984-08-27 1984-08-27 Step motor driven sector opening/closing device

Publications (1)

Publication Number Publication Date
JPS6144637U true JPS6144637U (en) 1986-03-25

Family

ID=30688225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12960784U Pending JPS6144637U (en) 1984-08-27 1984-08-27 Step motor driven sector opening/closing device

Country Status (1)

Country Link
JP (1) JPS6144637U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0574184U (en) * 1992-03-09 1993-10-08 株式会社精工舎 Rotor with permanent magnet
JPH1124126A (en) * 1997-07-08 1999-01-29 Copal Co Ltd Shutter for camera

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017635A (en) * 1973-05-22 1975-02-25
JPS5644588B2 (en) * 1974-01-14 1981-10-20
JPS5914974A (en) * 1982-07-16 1984-01-25 Citizen Watch Co Ltd Transfer type heat sensitive printer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017635A (en) * 1973-05-22 1975-02-25
JPS5644588B2 (en) * 1974-01-14 1981-10-20
JPS5914974A (en) * 1982-07-16 1984-01-25 Citizen Watch Co Ltd Transfer type heat sensitive printer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0574184U (en) * 1992-03-09 1993-10-08 株式会社精工舎 Rotor with permanent magnet
JPH1124126A (en) * 1997-07-08 1999-01-29 Copal Co Ltd Shutter for camera

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