JPS61101855U - - Google Patents
Info
- Publication number
- JPS61101855U JPS61101855U JP18828684U JP18828684U JPS61101855U JP S61101855 U JPS61101855 U JP S61101855U JP 18828684 U JP18828684 U JP 18828684U JP 18828684 U JP18828684 U JP 18828684U JP S61101855 U JPS61101855 U JP S61101855U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- magnetic disk
- swing arm
- line
- positioning 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
Landscapes
- Moving Of Heads (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図は、この考案の一実施例を示す磁気デイ
スク装置の平面図である。第２図は、従来の磁気
デイスク装置を示す平面図である。第３図は、第
２図におけるアクチユエータ２０の詳細図で、ａ
は背面図、ｂはａのＡ―Ａ矢視図である。第４図
は、第２図のアクチユエータ２０において、スイ
ングアーム１０の回動に伴うコイル３５内でのセ
ンタヨーク２４の移動を示す図である。第５図は
、第１図におけるアクチユエータ４４の分解斜視
図である。第６図は、第５図のＢ―Ｂ矢視図であ
る。第７図は、この考案の他の実施例を示す斜視
図である。第８図は、第７図のＣ―Ｃ矢視図であ
る。第９図乃至第１１図は、それぞれこの考案の
更に別の実施例を示す図で、第９図は平面図、第
１０図、第１１図は斜視図である。
１０，４０……スイングアーム、１２……磁気
デイスク、２０，４４……アクチユエータ、２４
，４８，６８，８４，９０……センタヨーク、３
２，３６，５４，７２，７４，８６，９７……永
久磁石、５０，９２……コイルボビン、６０，９
４……コイル。
FIG. 1 is a plan view of a magnetic disk device showing an embodiment of this invention. FIG. 2 is a plan view showing a conventional magnetic disk device. FIG. 3 is a detailed view of the actuator 20 in FIG.
is a rear view, and b is a view taken along the line A--A in a. FIG. 4 is a diagram showing the movement of the center yoke 24 within the coil 35 as the swing arm 10 rotates in the actuator 20 of FIG. 2. FIG. FIG. 5 is an exploded perspective view of the actuator 44 in FIG. 1. FIG. 6 is a view taken along the line BB in FIG. 5. FIG. 7 is a perspective view showing another embodiment of this invention. FIG. 8 is a view taken along the line CC in FIG. 9 to 11 are views showing further embodiments of this invention, respectively, with FIG. 9 being a plan view, and FIGS. 10 and 11 being perspective views. 10, 40... Swing arm, 12... Magnetic disk, 20, 44... Actuator, 24
, 48, 68, 84, 90...center yoke, 3
2, 36, 54, 72, 74, 86, 97...Permanent magnet, 50,92...Coil bobbin, 60,9
4...Coil.
Claims (1)
ともに、このスイングアームの他端に備えたコイ
ルを固定磁気回路中に介在させ、このコイルに電
流を供給することにより、その供給量に応じてコ
イル全体を駆動して磁気ヘツドを磁気デイスクの
径方向に移動させるようにした磁気デイスク装置
のヘツド位置決め装置において、 前記コイルに作用する前記固定磁気回路をコイ
ルの移動線上または略移動線上に沿つて円弧状に
形成した駆動用アクチユエータを備えたことを特
徴とする磁気デイスク装置のヘツド位置決め装置
。[Claims for Utility Model Registration] One end of the swing arm is rotatably supported, a coil provided at the other end of the swing arm is interposed in a fixed magnetic circuit, and current is supplied to the coil. In a head positioning device for a magnetic disk drive, which moves the magnetic head in the radial direction of the magnetic disk by driving the entire coil according to the amount of supply, the fixed magnetic circuit acting on the coil is positioned on or approximately on the line of movement of the coil. 1. A head positioning device for a magnetic disk device, comprising a drive actuator formed in an arc shape along a movement line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18828684U JPS61101855U (en) | 1984-12-11 | 1984-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18828684U JPS61101855U (en) | 1984-12-11 | 1984-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61101855U true JPS61101855U (en) | 1986-06-28 |
Family
ID=30745762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18828684U Pending JPS61101855U (en) | 1984-12-11 | 1984-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61101855U (en) |
-
1984
- 1984-12-11 JP JP18828684U patent/JPS61101855U/ja active Pending