JPH01134751A - Magnetic head supporting mechanism - Google Patents
Magnetic head supporting mechanismInfo
- Publication number
- JPH01134751A JPH01134751A JP29203287A JP29203287A JPH01134751A JP H01134751 A JPH01134751 A JP H01134751A JP 29203287 A JP29203287 A JP 29203287A JP 29203287 A JP29203287 A JP 29203287A JP H01134751 A JPH01134751 A JP H01134751A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- head
- magnetic
- arm
- carriage
- 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
- 239000011358 absorbing material Substances 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 101100108446 Mus musculus Aifm3 gene Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、可焼性を有する磁気記録媒体、例えば７０ツ
ピデイスクに、情報全記録、再生する装置の磁気ヘッド
支持機構に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a magnetic head support mechanism for an apparatus for recording and reproducing all information on a flammable magnetic recording medium, such as a 70 disk.
７０ツピデイスク駆動装置は、片面型から上下２つの磁
気ヘッドにより記り媒体である７０ツピデイスクを挾持
する両面型が広く用いられるようになり、さらに記録密
度の向上による大容量化が進められている。The 70 disk drive device has changed from a single-sided type to a double-sided type in which a 70 disk, which is a recording medium, is held between two magnetic heads, upper and lower, which is now widely used, and the capacity has been increased by increasing the recording density.
７０ツピデイスクは、ポリエチレンテレフタレートなど
の可撓性を有するシー）ｆベースとしているため、回転
に伴い、うねりを生じる。このうねりに追従し、安定に
情報全記録、再生するように磁気ヘッドを支持する必要
がある。Since the 70 disk is based on a flexible material such as polyethylene terephthalate, it undulates as it rotates. It is necessary to support the magnetic head so that it can follow this undulation and stably record and reproduce all information.
第５図に従来の両面型の磁気ヘッド支持機構を示す。FIG. 5 shows a conventional double-sided magnetic head support mechanism.
第５図において、磁気ヘッド１ａ、１ｂは、ジンバルバ
ネ２ａ、２ｂに取り付けられ、それぞれキャリッジ５お
よびヘッドアーム４に支持される。In FIG. 5, magnetic heads 1a and 1b are attached to gimbal springs 2a and 2b, and supported by a carriage 5 and a head arm 4, respectively.
ヘッドアーム４は、アームバネ５によりキャリッジ３に
連結され、弾性的に片持ち支持される。磁気ヘッド１ａ
お工び１ｂは、ジンバルバネ２ａ、２ｂを介してそれぞ
れキャリッジ３ならびにヘッドアーム４に設けられたピ
ボット６ａ 、６ｂに当接し、押しバネ７により図中の
矢印方向に荷重を付与され、フロッピディスク８１に挾
持する。The head arm 4 is connected to the carriage 3 by an arm spring 5 and is supported elastically on a cantilever. magnetic head 1a
The workpiece 1b comes into contact with pivots 6a and 6b provided on the carriage 3 and the head arm 4, respectively, via gimbal springs 2a and 2b, and is loaded by a push spring 7 in the direction of the arrow in the figure. to hold.
ジンバルバネ２ ａ 、 ２ ｂｉ、フロッピディスク
８の半径方向および円周方向の２つの回動自由度をもつ
。これにより磁気ヘッド１ａ、１１）は、ピボット６ａ
、６ｂ′ｆ：支点として揺動可能となり、７０ツピデイ
スク８０うねりに対し追従性を有することになる。The gimbal springs 2 a and 2 bi have two rotational degrees of freedom in the radial direction and circumferential direction of the floppy disk 8 . As a result, the magnetic heads 1a, 11) are moved to the pivot 6a.
, 6b'f: It becomes swingable as a fulcrum and has the ability to follow the undulations of the 70-tsupi disk and 80 undulations.
しかし以上のよりな磁気ヘッド支持機構では、フロッピ
ディスク８の表面の凹凸、および磁気ヘッド１ａ、１ｂ
とフロッピディスク８との摩擦などにより生じる振動に
は追従できず、安定した記録、再生出力は得られない。However, in the above-described more sophisticated magnetic head support mechanism, the irregularities on the surface of the floppy disk 8 and the magnetic heads 1a, 1b
It is not possible to follow vibrations caused by friction between the floppy disk 8 and the floppy disk 8, and stable recording and reproduction output cannot be obtained.
これは上記の磁気ヘッド支持機構では、振動全吸収する
機構を持たない九めである。This is the ninth magnetic head support mechanism described above that does not have a mechanism for completely absorbing vibrations.
上記の磁気ヘッドの振動対策として、特開昭６１−２１
１８８７号に記載のような機構が提唱されている。′ｓ
６図にその機構を示す。As a countermeasure against vibration of the above-mentioned magnetic head, JP-A-61-21
A mechanism such as that described in No. 1887 has been proposed. 's
Figure 6 shows the mechanism.
第６図は、磁気ヘッド９をフロッピディスクとの摺動面
から見た図であり、磁気ヘッド９はジンバルバネ１０に
取り付けられている。ジンバルバネ１０は・磁気ヘッド
９を取り付ける部材１０ａと枠部１０ ｂ ｒ １０
ｃ ｍおよび連結部１０ｄ、１０ｅより構成され、図中
Ａ、Ｂで示すように２つの回動自由度を持つ。従来例で
は、連結部１０ｄ。FIG. 6 is a view of the magnetic head 9 viewed from the sliding surface with respect to the floppy disk, and the magnetic head 9 is attached to a gimbal spring 10. The gimbal spring 10 includes a member 10a for attaching the magnetic head 9 and a frame portion 10 b r 10
cm and connecting parts 10d and 10e, and has two rotational degrees of freedom as shown by A and B in the figure. In the conventional example, the connecting portion 10d.
１０ｅに弾性板１１を両面貼着材などにより貼り付け、
この弾性板１１により磁気ヘッド９の振動を吸収する方
法をとっている。Attach the elastic plate 11 to 10e using a double-sided adhesive,
A method is adopted in which vibrations of the magnetic head 9 are absorbed by the elastic plate 11.
上記従来技術では、弾性板を両面貼着材等によりジンバ
ルバネに貼り付けるため、温度、湿度の影＃を受ける。In the above-mentioned conventional technology, since the elastic plate is attached to the gimbal spring using a double-sided adhesive or the like, it is affected by temperature and humidity.
弾性板および両面貼着材は、磁気ヘッドの揺動により、
ねじれ金繰り返すこと、および環境の温湿度変化による
貼着材の劣化などにより、弾性板の振動吸収効果は低下
する。ま次弾性板のジンバルバネからの離脱の可能性も
高い。The elastic plate and double-sided adhesive material are made by swinging the magnetic head.
The vibration absorption effect of the elastic plate decreases due to repeated twisting and deterioration of the adhesive due to changes in environmental temperature and humidity. There is also a high possibility that the secondary elastic plate will separate from the gimbal spring.
本発明は、環境の温湿度変化に影響されず、７０ツピデ
イスクのうねり、および振動に追従し、安定した磁気ヘ
ッドと７０ツピデイスクとのコンタク）１−可能とする
磁気ヘッド支持機構を提供すること金目的とする。An object of the present invention is to provide a magnetic head support mechanism that is not affected by changes in environmental temperature and humidity, follows the undulations and vibrations of the 70 disk, and enables stable contact between the magnetic head and the 70 disk. purpose.
上記目的は、磁気ヘッドをフロッピディスクに押圧する
押しバネと、磁気ヘッド全保持し、７０ツピデイスクに
対して垂直方向に回動可能なヘッドアームとの間に振動
吸収材を設けることにより達成される。The above objective is achieved by providing a vibration absorbing material between a push spring that presses the magnetic head against the floppy disk and a head arm that holds the entire magnetic head and is rotatable in a direction perpendicular to the 70-tube disk. .
フロッピディスクの振動および摺動面の摩擦などにより
、磁気ヘッドは７０ツピデイスクに対して垂直方向に振
動全縮こす。しかし磁気ヘッド金７０ッピディスクに押
圧する手段である押しバネと磁気ヘッドを保持するヘッ
ドアームとの間に設は友振動吸収材により、磁気ヘッド
の振動は緩和され、安定し友磁気ヘッドと７０ツピデイ
スクとのコンタクトが得られる３゜
〔実施例〕
以下、本発明の実施例を図面音用いて説明する。Due to the vibration of the floppy disk and the friction of the sliding surface, the magnetic head vibrates and completely contracts in a direction perpendicular to the 70-tube disk. However, a vibration absorbing material is installed between the pressing spring that presses the magnetic head against the 70ppi disk and the head arm that holds the magnetic head, so the vibration of the magnetic head is alleviated and stabilized. [Example] Hereinafter, an example of the present invention will be described with reference to the drawings and sound.
第１図および第２図に本発明による第１実施例である磁
気ヘッド支持機構の側面図および平面図を示す。1 and 2 show a side view and a plan view of a magnetic head support mechanism according to a first embodiment of the present invention.
第１図、２図において、磁気ヘッド１２ａ。In FIGS. 1 and 2, a magnetic head 12a.
１２ｂは、キャリッジ１３およびヘッドアーム１４に支
持され、フロッピディスク８を挾持する。12b is supported by the carriage 13 and head arm 14, and holds the floppy disk 8 between them.
尚、磁気ヘッド１２ａ、１２ｂは、第５図に示す従来例
と同様、ジンバルバネ（図示せず）に取り付けられ、キ
ャリッジ１′５、ヘッドアーム１４に設けられたピボッ
ト（図示せず）に当接する。Note that the magnetic heads 12a and 12b are attached to gimbal springs (not shown) and abut against pivots (not shown) provided on the carriage 1'5 and the head arm 14, as in the conventional example shown in FIG. .
ヘッドアーム１４は、アームバネ１５によりキャリッジ
１３に連結され、第１図中矢印Ｃで示す方向に回動可能
となる。ヘッドアーム１４には、振動吸収材１６が設け
られ、薄板１７ｔ−介して押しバネ１８に当接する。振
動吸収材１６としては、コイルスプリングであっても良
いが、制振作用を有する弾性材が望ましく、フレタンゴ
ム等が適当である。The head arm 14 is connected to the carriage 13 by an arm spring 15, and is rotatable in the direction shown by arrow C in FIG. The head arm 14 is provided with a vibration absorbing material 16, which contacts the push spring 18 via a thin plate 17t. Although a coil spring may be used as the vibration absorbing material 16, an elastic material having a damping effect is preferable, and Frethane rubber or the like is suitable.
７０ツピデイスク８の表面の凹凸、あるいは磁気ヘッド
との摩擦、押しバネ１８により２つの磁気ヘッド１２ａ
、１２ｂに付与される荷重のアンバランス等により生じ
る振動は、振動吸収材１６により緩和される。この結果
、磁気ヘッド１２ａ、１２ｂと７０ツピデイスク８との
コンタクトは良好となり、安定した情報の記録再生が可
能となる。、尚、第１図、第２図に示す第１実施例では
、振動吸収材１６と押しバネ１８との間に薄板１７を設
は九が、取り除いても良い。ただし、振動吸収材１６と
押しバネ１８との摩擦抵抗が大きい場合、摩擦力低減の
ため、金属板あるいは樹脂などの薄板１７を設けること
が、磁気ヘッドの振動防止上効果的である。The unevenness of the surface of the 70-tsupid disk 8, the friction with the magnetic head, and the push spring 18 cause the two magnetic heads 12a to
, 12b due to unbalanced loads, etc., is alleviated by the vibration absorbing material 16. As a result, the contact between the magnetic heads 12a, 12b and the 70-tip disk 8 becomes good, and stable information recording and reproduction becomes possible. In the first embodiment shown in FIGS. 1 and 2, the thin plate 17 is provided between the vibration absorber 16 and the push spring 18, but it may be removed. However, if the frictional resistance between the vibration absorbing material 16 and the push spring 18 is large, it is effective to provide a thin plate 17 made of metal or resin to reduce the frictional force in order to prevent vibration of the magnetic head.
第５図、第４図に、本発明の第２実施例である磁気−・
ラド支持機構の側面図および平面図を示す。FIGS. 5 and 4 show a magnetic field according to a second embodiment of the invention.
Figure 3 shows a side view and a top view of the rad support mechanism.
第５図、第４図において、第１実施例と同じ部材は、第
１図、第２図と同符号で示しである。In FIGS. 5 and 4, the same members as in the first embodiment are indicated by the same symbols as in FIGS. 1 and 2.
第５図、第４図は、ヘッドアーム１４に磁気シールド板
１９を設けた場合であり、振動吸収材２０は、磁気シー
ルド板１９とヘッドアーム１４との間に設ける。5 and 4 show a case where a magnetic shield plate 19 is provided on the head arm 14, and a vibration absorbing material 20 is provided between the magnetic shield plate 19 and the head arm 14.
本発明によれば、磁気ヘッドをフロッピディスクに押圧
する手段でおる押しバネと、磁気ヘッドを保持するヘッ
ドアームとの間に振動吸収材を設ける九め、磁気ヘッド
に生じる振動を緩和することができる。この結果、磁気
ヘッドは７０ツピデイスクと安定にコンタクトするため
、良好な記録再生特性が得られる。According to the present invention, vibrations occurring in the magnetic head can be alleviated by providing a vibration absorbing material between the pushing spring that is the means for pressing the magnetic head against the floppy disk and the head arm that holds the magnetic head. can. As a result, the magnetic head is in stable contact with the 70-tip disk, and good recording and reproducing characteristics can be obtained.
第１図は本発明の第１実施例である磁気ヘッド支持機構
の側面図、第２図は第１図の平面図、第５図は本発明の
第２実施例である磁気ヘッド支持機構の側面図、第４図
は第３図の平面図、第５図は従来の磁気ヘッド支持機構
を示す側面図、第６図は従来の磁気ヘッド支持機構の磁
気ヘッドの摺動面から見た平面図である。
符号の説明
１ａ、１ｂ、９，１２ａ、１２ｂ”・磁気ヘッド２ａ、
２ｂ、１０・・・ジンバルバネ
３．１３・・・キャリッジ
４．１４・・・・・・ヘッドアーム
５．１５・・・・・・アームバネ
６ａ、６ｂ・・・・・・ピボット
７．１８・・・・・・押しバネ
８・・・・・・７０ツピデイスク
１１・・・・・・弾性板
１６．２０・・・・・・振動吸収材
１７・・・・・・薄板
１９・・・・・・磁気シールド板
第１図
＋２１ＬＩＺｂ−石Ａ％Ａ＝ト ＋ｂ−ｋＪ力ヴ（
り棚１３パ沓ヤリ・ノン゛１８・ ４！シｌぐネｎ
第 ２図
Ｉ３−１↑リツジ
１４−へ・ノドアーム
１８゛ｊ甲（ハ゛キ
第 ３図
８・・・）０・・ゼデ≧スフ１８・・ＡＩｆＬハ゛ネ１
ム、１２ｂ・石嵌気へ・ソド １９ 七籠仄〉−ルト
Ａ艮１４−・へ・ｌト′アーム ２０−」厭勤咬収村第
４図
ｑ
１４−へッドアーＡ 円・・石庇気シーｌ訃°オ瓦１
８・−４甲レハオ ２０−４Δ動唯態セ第５０
３・ １↑ソ７ヅFIG. 1 is a side view of a magnetic head support mechanism that is a first embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 5 is a side view of a magnetic head support mechanism that is a second embodiment of the present invention. 4 is a plan view of FIG. 3, FIG. 5 is a side view showing a conventional magnetic head support mechanism, and FIG. 6 is a plane view of the conventional magnetic head support mechanism as seen from the sliding surface of the magnetic head. It is a diagram. Explanation of symbols 1a, 1b, 9, 12a, 12b"・Magnetic head 2a,
2b, 10... Gimbal spring 3.13... Carriage 4.14... Head arm 5.15... Arm spring 6a, 6b... Pivot 7.18... ...Press spring 8...70 Tupid disk 11...Elastic plate 16.20...Vibration absorber 17...Thin plate 19...・Magnetic shield plate Fig. 1 +21LIZb-Stone A%A=T +b-kJ force (
Shelf 13 pajari non ゛18.4! Silhouette Fig. 2 I3-1 ↑ To the bridge 14- Nod arm 18゛j instep (Fig. 3 8...) 0...Zede ≧ Suf 18... AIfL hinge 1
Mu, 12b, stone enclosing air, sodo 19 Seven baskets〉-root A 14-, to lto'arm 20-''Kukinbakujumura Figure 4q 14-Header A Circle...stone eaves Air tile 1
8.-4 Korehao 20-4Δ motion 50th 3. 1↑So7zu
Claims (1)
盤状磁気記録媒体の半径方向に駆動するモータに連結さ
れるキャリッジと、前記第１の磁気ヘッドとともに前記
円盤状磁気記録媒体を挾み、前記第１の磁気ヘッドと対
向する第２の磁気ヘッドを保持し、前記キャリッジに弾
性的に片持ち支持されるヘッドアームと、前記第１およ
び第２の磁気ヘッドを前記円盤状磁気記録媒体に押圧す
る押しバネより成る磁気ヘッド支持機構において、前記
ヘッドアームと前記押しバネの間に振動吸収材を設けら
れていることを特徴とする磁気ヘッド支持機構。a carriage that holds a first magnetic head and is connected to a motor that drives the first magnetic head in a radial direction of the disc-shaped magnetic recording medium; and a carriage that holds the disc-shaped magnetic recording medium together with the first magnetic head; a head arm that holds a second magnetic head facing the first magnetic head and is elastically cantilevered by the carriage; and a head arm that holds a second magnetic head facing the first magnetic head; 1. A magnetic head support mechanism comprising a push spring that presses against a medium, wherein a vibration absorbing material is provided between the head arm and the push spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29203287A JPH01134751A (en) | 1987-11-20 | 1987-11-20 | Magnetic head supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29203287A JPH01134751A (en) | 1987-11-20 | 1987-11-20 | Magnetic head supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01134751A true JPH01134751A (en) | 1989-05-26 |
Family
ID=17776645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29203287A Pending JPH01134751A (en) | 1987-11-20 | 1987-11-20 | Magnetic head supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01134751A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0395762A (en) * | 1989-09-06 | 1991-04-22 | Seiko Epson Corp | Magnetic head fitting mechanism |
| JP2009191826A (en) * | 2008-02-18 | 2009-08-27 | Aichi Mach Ind Co Ltd | Blow-by gas recirculation structure and internal-combustion engine equipped with the same |
-
1987
- 1987-11-20 JP JP29203287A patent/JPH01134751A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0395762A (en) * | 1989-09-06 | 1991-04-22 | Seiko Epson Corp | Magnetic head fitting mechanism |
| JP2009191826A (en) * | 2008-02-18 | 2009-08-27 | Aichi Mach Ind Co Ltd | Blow-by gas recirculation structure and internal-combustion engine equipped with the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5469311A (en) | Vibration absorbing structure for a magnetic disk apparatus | |
| US5982580A (en) | Acoustic noise control in a disc drive | |
| JPS59180855A (en) | Head support arm | |
| JPH05334827A (en) | Spring arm for magnetic head | |
| US6876513B2 (en) | Rotary disk type storage device | |
| JP3364969B2 (en) | Magneto-optical disk drive | |
| JPS62205554A (en) | Optical disk | |
| JP3597822B2 (en) | Head support device and recording / reproducing device provided with the same | |
| US6574099B2 (en) | Disc-drive mounting using adhesive films | |
| JPH01134751A (en) | Magnetic head supporting mechanism | |
| JPS61211887A (en) | Head device | |
| JPH0664813B2 (en) | Optical disk device | |
| JP3464992B2 (en) | Disk unit | |
| JPS6155185B2 (en) | ||
| JP2790275B2 (en) | Magnetic recording / reproducing device | |
| JP2547958B2 (en) | Optical disk drive | |
| JP3986454B2 (en) | Disk unit | |
| JPH0544926Y2 (en) | ||
| JP2000011553A (en) | Magnetic head device and magnetic disk device | |
| JPH0755752Y2 (en) | Disc-shaped recording medium reproducing device | |
| JPS61196486A (en) | Signal pick up device | |
| JP2526002Y2 (en) | Fixed structure of magnetic head support | |
| KR19990053017A (en) | Hard disk drive | |
| JP3366415B2 (en) | Oscillating positioning device and magnetic disk drive using the oscillating positioning device | |
| JPS619802A (en) | Turntable |