JPH0435257U - - Google Patents
Info
- Publication number
- JPH0435257U JPH0435257U JP7641990U JP7641990U JPH0435257U JP H0435257 U JPH0435257 U JP H0435257U JP 7641990 U JP7641990 U JP 7641990U JP 7641990 U JP7641990 U JP 7641990U JP H0435257 U JPH0435257 U JP H0435257U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic disk
- head
- magnetic head
- disk 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 2
- 239000000696 magnetic material Substances 0.000 description 1
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Moving Of Heads (AREA)
Description
第１図は本考案に係るヘツドロツク装置を備え
た移動機構の平面図、第２図は本考案に係る通電
手段を示す回路図、第３図は無通電時のマグネツ
ト構造体の吸引力と距離との関係を示す図、第４
図は磁気デイスク装置の分解斜視図である。
５……磁気デイスク、９……磁気ヘツド、１０
……移動機構、１６……ベースヨーク、１９……
ボイスコイルモータ、２０……マグネツト構造体
、２１……可動片（吸着用磁性体）、２２……ヘ
ツドロツク装置、２６……電磁石コイル、２７…
…ピボツト軸、３０……通電手段。
Figure 1 is a plan view of a moving mechanism equipped with a headlock device according to the present invention, Figure 2 is a circuit diagram showing the energizing means according to the present invention, and Figure 3 is the attraction force and distance of the magnetic structure when not energized. Diagram showing the relationship between
The figure is an exploded perspective view of the magnetic disk device. 5...Magnetic disk, 9...Magnetic head, 10
...Movement mechanism, 16...Base yoke, 19...
Voice coil motor, 20... Magnetic structure, 21... Movable piece (magnetic material for attraction), 22... Headlock device, 26... Electromagnetic coil, 27...
...Pivot axis, 30...Electrification means.
Claims (1)
気ヘツドを保持して前記磁気デイスク上をピボツ
ト軸を中心に回転移動する移動機構を前記磁気デ
イスクのデータエリア外で固定するヘツドロツク
装置を備えた磁気デイスク装置において、前記ピ
ボツト軸と、前記ピボツト軸と前記磁気ヘツドの
取付孔との間に取付ける吸着用磁性体と、この磁
性体を吸着した時に磁気回路を構成するマグネツ
ト構造体とを前記移動機構を構成するボイスコイ
ルモータのヨーク上に配設したことを特徴とする
磁気デイスク装置。 (2) 前記マグネツト構造体の磁気回路中に吸着
力を打ち消すための電磁力を発生する電磁石コイ
ルを配設した請求項１記載の磁気デイスク装置。 (3) 磁気ヘツド不使用時には、無通電とし、マ
グネツト構造体から磁気ヘツドを離す時には第１
の電流レベルを通電し、磁気ヘツドが磁気デイス
クとの間で情報の授受を行う時には第２の電流レ
ベルを通電する通電手段を電磁石コイルに接続し
た請求項２記載の磁気デイスク装置。[Claims for Utility Model Registration] (1) A moving mechanism that holds a magnetic head that exchanges information with a magnetic disk and rotates about a pivot axis on the magnetic disk is defined as a data area of the magnetic disk. In a magnetic disk device equipped with a head lock device that is fixed externally, the pivot shaft, an attracting magnetic body installed between the pivot shaft and the mounting hole of the magnetic head, and a magnetic circuit that is activated when the magnetic body is attracted. 1. A magnetic disk device, wherein a magnetic structure is disposed on a yoke of a voice coil motor that constitutes the moving mechanism. (2) The magnetic disk device according to claim 1, wherein an electromagnetic coil for generating an electromagnetic force for canceling the attraction force is disposed in the magnetic circuit of the magnet structure. (3) When the magnetic head is not in use, it is de-energized, and when the magnetic head is separated from the magnetic structure, the first
3. A magnetic disk device according to claim 2, further comprising an energizing means connected to the electromagnetic coil, which energizes the electromagnetic coil at a current level of 1 and energizes the magnetic head at a second current level when the magnetic head exchanges information with the magnetic disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7641990U JPH0435257U (en) | 1990-07-17 | 1990-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7641990U JPH0435257U (en) | 1990-07-17 | 1990-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435257U true JPH0435257U (en) | 1992-03-24 |
Family
ID=31617873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7641990U Pending JPH0435257U (en) | 1990-07-17 | 1990-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435257U (en) |
-
1990
- 1990-07-17 JP JP7641990U patent/JPH0435257U/ja active Pending
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