JPS63138874U - - Google Patents
Info
- Publication number
- JPS63138874U JPS63138874U JP2976187U JP2976187U JPS63138874U JP S63138874 U JPS63138874 U JP S63138874U JP 2976187 U JP2976187 U JP 2976187U JP 2976187 U JP2976187 U JP 2976187U JP S63138874 U JPS63138874 U JP S63138874U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- actuator
- magnetic
- magnet
- face
- 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
- 239000003292 glue Substances 0.000 description 1
Landscapes
- Moving Of Heads (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図、第４図、第６図はこの考案による磁気
ヘツド駆動用アクチユエータの縦断説明図であり
、第１図は円筒直動型、第４図は矩形直動型、第
６図は揺動型を示す。第２図は第１図における磁
石カバーと永久磁石を示す分解斜視図である。第
３図は第１図における磁石カバーと永久磁石を示
す斜視図である。第５図は第４図における磁石カ
バーと永久磁石を示す分解斜視図である。第７図
は第６図における磁石カバーと永久磁石を示す分
解斜視図である。第８図は従来の磁気ヘツド駆動
用アクチユエータの縦断説明図である。
１，１０，２０，３１……ヨーク、２，１１，
２１……センターポール、３，１３，２２，３２
ａ，３２ｂ，３２ｃ，３２ｄ……永久磁石、４，
１４，２３，３５……可動コイル、５，１５，２
５，３５……磁気空隙、１２，２４，３６……磁
石カバー、３０……非磁性体フレーム、３３……
接着剤。
1, 4, and 6 are longitudinal cross-sectional views of the actuator for driving a magnetic head according to this invention, in which FIG. 1 is a cylindrical direct acting type, FIG. Indicates dynamic type. FIG. 2 is an exploded perspective view showing the magnet cover and permanent magnet in FIG. 1. FIG. 3 is a perspective view showing the magnet cover and permanent magnet in FIG. 1. FIG. 5 is an exploded perspective view showing the magnet cover and permanent magnet in FIG. 4. FIG. 7 is an exploded perspective view showing the magnet cover and permanent magnet in FIG. 6. FIG. 8 is a longitudinal sectional view of a conventional actuator for driving a magnetic head. 1, 10, 20, 31... York, 2, 11,
21... Center pole, 3, 13, 22, 32
a, 32b, 32c, 32d...Permanent magnet, 4,
14, 23, 35... moving coil, 5, 15, 2
5, 35... Magnetic gap, 12, 24, 36... Magnet cover, 30... Non-magnetic frame, 33...
glue.
Claims (1)
磁極面を対向配置した磁気ヘツド駆動用アクチユ
エータにおいて、前記永久磁石の露出表面に薄肉
の磁石カバーを設けたことを特徴とする磁気ヘツ
ド駆動用アクチユエータ。 An actuator for driving a magnetic head, in which a magnetic pole face of a permanent magnet is arranged to face a magnetic space in which a moving coil is disposed, characterized in that a thin magnet cover is provided on the exposed surface of the permanent magnet. Actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2976187U JPS63138874U (en) | 1987-02-27 | 1987-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2976187U JPS63138874U (en) | 1987-02-27 | 1987-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63138874U true JPS63138874U (en) | 1988-09-13 |
Family
ID=30833941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2976187U Pending JPS63138874U (en) | 1987-02-27 | 1987-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107646A (en) * | 1987-07-09 | 1989-04-25 | Hitachi Metals Ltd | Voice coil type linear motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599774B2 (en) * | 1974-12-21 | 1984-03-05 | 曙ブレーキ工業株式会社 | mechanical disc brake |
-
1987
- 1987-02-27 JP JP2976187U patent/JPS63138874U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599774B2 (en) * | 1974-12-21 | 1984-03-05 | 曙ブレーキ工業株式会社 | mechanical disc brake |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107646A (en) * | 1987-07-09 | 1989-04-25 | Hitachi Metals Ltd | Voice coil type linear motor |