JPS6431560U - - Google Patents
Info
- Publication number
- JPS6431560U JPS6431560U JP10785588U JP10785588U JPS6431560U JP S6431560 U JPS6431560 U JP S6431560U JP 10785588 U JP10785588 U JP 10785588U JP 10785588 U JP10785588 U JP 10785588U JP S6431560 U JPS6431560 U JP S6431560U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- locus
- actuator
- yokes
- recording device
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係る磁気記録装置用アクチユ
エータの回転部の斜視図、第２図は第１図の回転
部を駆動するための磁気回路の構成図、第３図は
第２図の―矢視図、第４図はコイルの移動範
囲内でのコイルに加わる力を示すグラフである。
３……ヘツド、４……コイル基板、５……平板
状コイル、７，８……ヨーク、９，１０，１１，
１２……永久磁石。
FIG. 1 is a perspective view of a rotating part of an actuator for a magnetic recording device according to the present invention, FIG. 2 is a configuration diagram of a magnetic circuit for driving the rotating part of FIG. 1, and FIG. The arrow view and FIG. 4 are graphs showing the force applied to the coil within the range of movement of the coil. 3... Head, 4... Coil board, 5... Flat coil, 7, 8... Yoke, 9, 10, 11,
12...Permanent magnet.
Claims (1)
動コイルを備えた磁気記録装置用アクチユエータ
において、対向配置した２個のヨーク７，８と、
該２個のヨークの対向面側の両端部に設けた４個
の永久磁石９，１０，１１，１２と、該永久磁石
の対向する２対の永久磁石９，１０：及び１１，
１２間に配置した前記円弧軌跡を描く可動コイル
５とを具備し、上記円弧軌跡の直角方向について
の上記永久磁石の長さが上記可動コイルの移動範
囲の中央部から外端部に向つて長くなるように永
久磁石の円弧軌跡に沿つた縁部が湾曲して形成さ
れたことを特徴とする磁気記録装置用アクチユエ
ータ。 In an actuator for a magnetic recording device equipped with a moving coil that draws an arcuate trajectory along a permanent magnet for generating a magnetic field, two yokes 7 and 8 are arranged oppositely,
Four permanent magnets 9, 10, 11, 12 provided at both ends of the opposing surfaces of the two yokes, and two pairs of permanent magnets 9, 10 facing each other, and 11,
a moving coil 5 disposed between 12 and drawing the circular arc locus, and the length of the permanent magnet in the direction perpendicular to the circular locus is longer from the center of the moving range of the movable coil toward the outer end. 1. An actuator for a magnetic recording device, characterized in that an edge along an arcuate locus of a permanent magnet is curved so that the permanent magnet has a curved edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10785588U JPS6431560U (en) | 1988-08-18 | 1988-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10785588U JPS6431560U (en) | 1988-08-18 | 1988-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431560U true JPS6431560U (en) | 1989-02-27 |
Family
ID=31342646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10785588U Pending JPS6431560U (en) | 1988-08-18 | 1988-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431560U (en) |
-
1988
- 1988-08-18 JP JP10785588U patent/JPS6431560U/ja active Pending