JPH0352870U - - Google Patents
Info
- Publication number
- JPH0352870U JPH0352870U JP11281689U JP11281689U JPH0352870U JP H0352870 U JPH0352870 U JP H0352870U JP 11281689 U JP11281689 U JP 11281689U JP 11281689 U JP11281689 U JP 11281689U JP H0352870 U JPH0352870 U JP H0352870U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- disk
- magnetic
- magnetic head
- plate spring
- 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
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 1
Description
第１図は本考案の磁気デイスク装置の要部を示
す斜視図、第２図は本考案装置の機能説明用断面
図、第３図は接触防止構造部を梁の支持構造とし
て見た場合の原理図、第４図Ａ，Ｂは第１次の共
振周波数でのバイモルフの変形の様子を示す原理
図、第５図は従来の磁気デイスク装置の概略構成
を示す要部斜視図、第６図は従来装置におけるバ
イモルフの変位説明用原理図である。
２……サスペンシヨン発条、３……板発条、４
……浮動磁気ヘツド、６……上バイモルフ（アー
ム）、７……下バイモルフ（アーム）、１０……
磁気デイスク装置、１１……固定部、１６……接
触防止構造部、１６ａ……端部、１６ｂ……固定
端支持部、１７……固定用ブラケツト、２０……
磁気ヘツド押上機構、Ｄ……磁気デイスク。
Fig. 1 is a perspective view showing the main parts of the magnetic disk device of the present invention, Fig. 2 is a sectional view for explaining the function of the device of the present invention, and Fig. 3 is a diagram showing the contact prevention structure when viewed as a beam support structure. 4A and 4B are principle diagrams showing how the bimorph deforms at the first resonance frequency, FIG. 5 is a perspective view of the main parts showing the schematic structure of a conventional magnetic disk device, and FIG. 6 is a principle diagram for explaining the displacement of a bimorph in a conventional device. 2... Suspension spring, 3... Board spring, 4
...Floating magnetic head, 6...Upper bimorph (arm), 7...Lower bimorph (arm), 10...
Magnetic disk device, 11...fixing part, 16...contact prevention structure part, 16a...end part, 16b...fixed end support part, 17...fixing bracket, 20...
Magnetic head push-up mechanism, D...magnetic disk.
Claims (1)
クと、一端を支持部に固定された板発条の他端側
に取り付けられ、磁気デイスクの定常回転時には
磁気デイスクの回転によつて生じる空気圧によつ
てデイスク表面から一定距離浮上し、磁気デイス
クの停止時には磁気デイスクの内周又は外周部の
停止領域でこのデイスク表面と接触する情報記録
／再生用の浮動磁気ヘツドと、磁気デイスクの回
転状態によつて制御される駆動回路と、該駆動回
路の制御により、磁気デイスクの定常回転時はこ
のデイスク表面と上記板発条との間に位置して該
デイスク表面と板発条に非接触であり、磁気デイ
スクの起動時は板発条を押し上げることにより上
記浮動磁気ヘツドのデイスク表面への接触圧を軽
減する磁気ヘツド押上機構とを備えた磁気デイス
ク装置において、 磁気ヘツド押上機構を構成する一対の圧電バイ
モルフを、磁気デイスクと磁気ヘツドを支持する
板発条との微小隙間との間に、磁気デイスクを両
側から挾むようにして挿入すると共に、上記圧電
バイモルフの一端を固定するためのブラケツトに
一端を固定し、その端部をフリーな状態で磁気デ
イスクの周縁部近くまで更に張出して各バイモル
フのデイスク側への変位に対して支持構造とした
接触防止構造部を更に形成したことを特徴とする
磁気デイスク装置。[Claims for Utility Model Registration] A magnetic disk that is rotationally driven by a drive motor, and one end of which is attached to the other end of a plate spring fixed to a support, and when the magnetic disk is in steady rotation, the magnetic disk is rotated. A floating magnetic head for information recording/reproduction that levitates a certain distance from the disk surface by the air pressure generated by the magnetic disk, and comes into contact with the disk surface at the stop area on the inner or outer circumference of the magnetic disk when the magnetic disk is stopped, and the magnetic disk. A drive circuit is controlled according to the rotational state of the magnetic disk, and by the control of the drive circuit, when the magnetic disk is in steady rotation, it is located between the disk surface and the plate spring and does not come into contact with the disk surface and the plate spring. and a magnetic head push-up mechanism that reduces the contact pressure of the floating magnetic head to the disk surface by pushing up the plate springs when starting up the magnetic disk, wherein a pair of magnetic head push-up mechanisms forming the magnetic head push-up mechanism are provided. A piezoelectric bimorph is inserted between a small gap between a magnetic disk and a plate spring supporting a magnetic head so that the magnetic disk is sandwiched from both sides, and one end of the piezoelectric bimorph is fixed to a bracket for fixing one end of the piezoelectric bimorph. A magnetic disk characterized in that a contact prevention structure is further formed, the end of which is free and extends further to near the periphery of the magnetic disk, and serves as a support structure against displacement of each bimorph toward the disk. Device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11281689U JPH0352870U (en) | 1989-09-28 | 1989-09-28 | |
| US07/497,712 US5079652A (en) | 1989-03-24 | 1990-03-23 | Device for controllably lessening load forces on disk media in aerodynamically flying head data storage file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11281689U JPH0352870U (en) | 1989-09-28 | 1989-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352870U true JPH0352870U (en) | 1991-05-22 |
Family
ID=31661253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11281689U Pending JPH0352870U (en) | 1989-03-24 | 1989-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352870U (en) |
-
1989
- 1989-09-28 JP JP11281689U patent/JPH0352870U/ja active Pending
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