JPH0213231U - - Google Patents
Info
- Publication number
- JPH0213231U JPH0213231U JP9154088U JP9154088U JPH0213231U JP H0213231 U JPH0213231 U JP H0213231U JP 9154088 U JP9154088 U JP 9154088U JP 9154088 U JP9154088 U JP 9154088U JP H0213231 U JPH0213231 U JP H0213231U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- stators
- shutter
- stator
- step motor
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shutters For Cameras (AREA)
Description
図面は本考案の実施例を示すものであり、第１
図は歯車列およびセクタ開閉部の平面図、第２図
はステツプモータの平面図、第３図は断面図、第
４図は他の実施例を示す断面図、第５図はさらに
他の実施例を示す断面図、第６図はさらに他の実
施例を示す断面図、第７図はロータの運動曲線図
である。
１……ロータ、１２……ステータ、１２ａ……
磁極部、１３ａ，１３ｂ……コイル、Ａ……ロー
タの磁気的中心面、Ｂ……ステータの磁気的中心
面。
The drawings show an embodiment of the present invention.
2 is a plan view of the step motor, FIG. 3 is a sectional view, FIG. 4 is a sectional view showing another embodiment, and FIG. 5 is a further embodiment. FIG. 6 is a sectional view showing an example, FIG. 6 is a sectional view showing another embodiment, and FIG. 7 is a rotor motion curve diagram. 1... Rotor, 12... Stator, 12a...
Magnetic pole parts, 13a, 13b...Coil, A...Magnetic center plane of the rotor, B...Magnetic center plane of the stator.
Claims (1)
久磁石からなるロータと、このロータと磁気的に
結合する２つのステータと、このステータを励磁
させるコイルと、前記ロータの回転により駆動さ
れるシヤツタ羽根とからなるステツプモータ駆動
シヤツタにおいて、 上記ステータはＵ字形状をなす一対の脚部を有
し、上記脚部の各端部に上記ロータの外周面と対
向する磁極部を有し、上記両ステータは平面上で
互いに重ならない状態で上記磁極部の磁気的中心
面と上記ロータの磁気的中心面とを偏倚させて配
置させてある ことを特徴とするステツプモータ駆動シヤツタ
。[Claims for Utility Model Registration] A rotor consisting of a rotatably supported and radially magnetized permanent magnet, two stators magnetically coupled to the rotor, a coil for exciting the stator, In a step motor-driven shutter comprising shutter blades driven by rotation of a rotor, the stator has a pair of U-shaped legs, and each end of the legs faces the outer peripheral surface of the rotor. A step motor having a magnetic pole part, wherein the two stators are arranged such that the magnetic center plane of the magnetic pole part and the magnetic center plane of the rotor are offset from each other in a state in which the two stators do not overlap each other on a plane. Drive shutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9154088U JPH0624814Y2 (en) | 1988-07-11 | 1988-07-11 | Step motor drive shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9154088U JPH0624814Y2 (en) | 1988-07-11 | 1988-07-11 | Step motor drive shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0213231U true JPH0213231U (en) | 1990-01-26 |
| JPH0624814Y2 JPH0624814Y2 (en) | 1994-06-29 |
Family
ID=31316012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9154088U Expired - Fee Related JPH0624814Y2 (en) | 1988-07-11 | 1988-07-11 | Step motor drive shutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624814Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009112112A (en) * | 2007-10-30 | 2009-05-21 | Seiko Precision Inc | Electromagnetic actuator and driver equipped with it |
-
1988
- 1988-07-11 JP JP9154088U patent/JPH0624814Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009112112A (en) * | 2007-10-30 | 2009-05-21 | Seiko Precision Inc | Electromagnetic actuator and driver equipped with it |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624814Y2 (en) | 1994-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |