JPH046281U - - Google Patents
Info
- Publication number
- JPH046281U JPH046281U JP4611390U JP4611390U JPH046281U JP H046281 U JPH046281 U JP H046281U JP 4611390 U JP4611390 U JP 4611390U JP 4611390 U JP4611390 U JP 4611390U JP H046281 U JPH046281 U JP H046281U
- Authority
- JP
- Japan
- Prior art keywords
- movable
- permanent magnet
- movable body
- linear motion
- movable coil
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 6
Description
第１図は本考案の一実施例における光ヘツド移
動装置の要部を表わした横断面図、第２図、第３
図および第４図は第１図に表わされた光ヘツド移
動装置の全体構造を表わしてなる横断面図、平面
図および外観斜視図、第５図は従来における光ヘ
ツド移動装置を表わした横断面図、第６図および
第７図は光ヘツドのがたつき状態を表わした側面
説明図および平面説明図である。
１４……案内シヤフト、１５……キヤリツジ、
１７……光ヘツド、１８……光デイスク、２０…
…可動コイル、２１……外部ヨーク、２２……内
部ヨーク、２３……永久磁石。
FIG. 1 is a cross-sectional view showing the main parts of an optical head moving device according to an embodiment of the present invention, FIG.
4 are a cross-sectional view, a plan view, and an external perspective view showing the overall structure of the optical head moving device shown in FIG. 1, and FIG. 5 is a cross-sectional view showing the conventional optical head moving device. The top view, FIGS. 6 and 7 are an explanatory side view and a plan view showing the wobbling state of the optical head. 14... Guide shaft, 15... Carriage,
17... Optical head, 18... Optical disk, 20...
...Movable coil, 21...External yoke, 22...Internal yoke, 23...Permanent magnet.
Claims (1)
体と、この移動体に取り付けられた可動コイルと
、該可動コイルとの相互磁界作用によつて上記移
動体に電磁駆動力を与える永久磁石とを備えてな
る直線運動装置において、 上記移動体は、前記永久磁石側に引き付けられ
る磁性体から形成されていることを特徴とする直
線運動装置。[Claims for Utility Model Registration] A movable body that performs linear motion along a predetermined guide member, a movable coil attached to this movable body, and an electromagnetic force applied to the movable body by mutual magnetic field action between the movable coil and the movable coil. A linear motion device comprising a permanent magnet that provides a driving force, wherein the moving body is made of a magnetic material that is attracted to the permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046113U JP2538095Y2 (en) | 1990-04-27 | 1990-04-27 | Linear motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046113U JP2538095Y2 (en) | 1990-04-27 | 1990-04-27 | Linear motion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH046281U true JPH046281U (en) | 1992-01-21 |
| JP2538095Y2 JP2538095Y2 (en) | 1997-06-04 |
Family
ID=31560905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990046113U Expired - Lifetime JP2538095Y2 (en) | 1990-04-27 | 1990-04-27 | Linear motion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2538095Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106773A1 (en) * | 2005-03-30 | 2006-10-12 | Nabtesco Corporation | Actuator unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0179383U (en) * | 1987-11-16 | 1989-05-29 |
-
1990
- 1990-04-27 JP JP1990046113U patent/JP2538095Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0179383U (en) * | 1987-11-16 | 1989-05-29 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106773A1 (en) * | 2005-03-30 | 2006-10-12 | Nabtesco Corporation | Actuator unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2538095Y2 (en) | 1997-06-04 |