JP2539075B2 - Magnetic recording / reproducing device - Google Patents
Magnetic recording / reproducing deviceInfo
- Publication number
- JP2539075B2 JP2539075B2 JP2100371A JP10037190A JP2539075B2 JP 2539075 B2 JP2539075 B2 JP 2539075B2 JP 2100371 A JP2100371 A JP 2100371A JP 10037190 A JP10037190 A JP 10037190A JP 2539075 B2 JP2539075 B2 JP 2539075B2
- Authority
- JP
- Japan
- Prior art keywords
- head slider
- elastic portion
- load
- magnetic recording
- load beam
- 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.)
- Expired - Lifetime
Links
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
Description
【発明の詳細な説明】 [発明の目的] (産業上の利用分野) 本発明は、磁気ヘッドにより記憶媒体への情報の記録
及び再生を行う磁気記録再生装置に関する。The present invention relates to a magnetic recording / reproducing apparatus that records and reproduces information on a storage medium by a magnetic head.
(従来の技術) 磁気テープや磁気デイスク等を記憶媒体とする磁気記
録再生装置では、記憶媒体への記録および再生を磁気ヘ
ツドにより行っている。この磁気ヘツドが取り付けられ
たスライダ(ヘツドスライダ)の支持機構は、記憶媒体
面上の記録トラツクをシークする際、シーク方向に高い
剛性を持ち、また、ヘツドスライダと記憶媒体面との間
に生ずる摩擦力や粘性流体力に対して十分な強度を持つ
ことが要求される。そして同時に、ヘツドスライダが記
憶媒体面に接触、もしくは微小間隔をおいて追従できる
ようにヘツドスライダのローリング(記憶媒体の走行方
向に平行な軸に関する回転運動)とピツチング(記憶媒
体の走行方向に直行し、かつ記憶媒体面に平行な軸に関
する回転運動)を許容し得る適度の柔軟性を持つことが
要求される。(Prior Art) In a magnetic recording / reproducing apparatus that uses a magnetic tape, a magnetic disk, or the like as a storage medium, recording and reproduction on the storage medium are performed by a magnetic head. The support mechanism of the slider (head slider) to which the magnetic head is attached has a high rigidity in the seek direction when seeking a recording track on the surface of the storage medium, and occurs between the head slider and the surface of the storage medium. It is required to have sufficient strength against frictional force and viscous fluid force. At the same time, the head slider rolls (rotational motion about an axis parallel to the running direction of the storage medium) and pitching (directly in the running direction of the storage medium) so that the head slider can contact the surface of the storage medium or follow the storage medium at a small interval. In addition, it is required to have an appropriate flexibility capable of allowing a rotational movement about an axis parallel to the surface of the storage medium.
このような要求に応えるため、従来から第1図に例示
するようなヘツドスライダ支持機構が使用されている。In order to meet such a demand, a head slider support mechanism as illustrated in FIG. 1 has been conventionally used.
同図において、荷重用ビーム1は先端部が先細とな
り、その両縁には補強用のフランジ2が設けられてお
り、その他端側には弾性部3を介して、キヤリツジ固定
部4が連設されている。In the figure, a tip portion of a load beam 1 is tapered, reinforcing flanges 2 are provided on both edges thereof, and a carriage fixing portion 4 is continuously provided on the other end side through an elastic portion 3. Has been done.
取付部材5は低可撓性材料からなり、その右半部には
ヘツドスライダ取付部6を挾むようにして1対の片持梁
部7が設けられている。また、ヘツドスライダ取付部6
の中央部には荷重付加用突起部8が形成されている。な
お、取付部材5の左半部は荷重用ビーム固定用の基部9
を形成している。ヘツドスライダ10は、取付部材5のヘ
ツドスライダ取付部6に取り付けられ、また、取付部材
5はその基部9が荷重用ビーム1の先端部近傍に取り付
けられる。矢印11は記憶媒体の走行方向を示す。The mounting member 5 is made of a low-flexibility material, and a pair of cantilever portions 7 are provided on the right half portion so as to sandwich the head slider mounting portion 6. In addition, the head slider mounting portion 6
A load-applying protrusion 8 is formed at the center of the. The left half of the mounting member 5 is a base 9 for fixing the load beam.
Is formed. The head slider 10 is mounted on the head slider mounting portion 6 of the mounting member 5, and the base portion 9 of the mounting member 5 is mounted in the vicinity of the tip of the load beam 1. The arrow 11 indicates the traveling direction of the storage medium.
しかし、この機構ではヘツドスライダへの荷重が小さ
い場合、荷重用ビーム1を支える弾性部3はバネ部長さ
lを長くし、幅bを小さくし板厚hを薄くしていく必要
がある。However, in this mechanism, when the load on the head slider is small, the elastic portion 3 supporting the load beam 1 needs to have a long spring length l, a small width b, and a thin plate thickness h.
このためシーク方向の剛性が低下し、ヘツドスライダ
と記憶媒体面との間に生ずる摩擦力や粘性流体力に対し
て十分な強度を得られなくなる。さらには、軽荷重を発
生させる弾性部の製作も困難となる。As a result, the rigidity in the seek direction decreases, and it becomes impossible to obtain sufficient strength against the frictional force and viscous fluid force generated between the head slider and the storage medium surface. Further, it is difficult to manufacture the elastic portion that generates a light load.
(発明が解決しようとする課題) 以上のように従来の磁気記録再生装置に用いられるヘ
ツドスライダ支持機構では、ヘツドスライダの荷重が小
さい場合を考慮して弾性部を設計すると、ヘツドスライ
ダのシーク方向の剛性が低下し、ヘツドスライダと記憶
媒体面との間に生ずる摩擦力や粘性流体力に対して十分
な強度を得られなくなる。この発明は、上記欠点を解決
するためになされたもので、ヘツドスライダの負荷荷重
が小さい場合でも、シーク方向の剛性を高く保ち、ヘツ
ドスライダと記憶媒体面との間に生ずる摩擦力および粘
性流体力に対しても十分な強度を持つヘツドスライダ支
持機構を有する磁気記録再生装置を提供するものであ
る。(Problems to be Solved by the Invention) As described above, in the head slider support mechanism used in the conventional magnetic recording / reproducing apparatus, when the elastic portion is designed in consideration of the case where the load of the head slider is small, the seek direction of the head slider is considered. Of the storage medium and the surface of the storage medium cannot be sufficiently strong against the frictional force and viscous fluid force generated between the head slider and the storage medium surface. The present invention has been made to solve the above-mentioned drawbacks. Even when the load load on the head slider is small, the rigidity in the seek direction is kept high, and the frictional force and viscous flow generated between the head slider and the storage medium surface are maintained. A magnetic recording / reproducing apparatus having a head slider support mechanism having sufficient strength for physical strength.
[発明の構成] (課題を解決するための手段) 上記目的を達成するために、本発明においては、記憶
媒体への情報の記録および再生を行う磁気ヘッドと,こ
の磁気ヘッドが取り付けられるヘッドスライダと,この
ヘッドスライダが取り付けられる取付部材と,この取付
部材を一端に接続する荷重用ビームと,この荷重用ビー
ムの他端に接続され,該荷重用ビームを介して前記ヘッ
ドスライダに荷重を負荷するため該荷重用ビームよりも
低剛性に構成された弾性部と,この弾性部を支持すると
ともに,前記磁気記録媒体上で前記磁気ヘッドを移動さ
せるために設けられるキャリッジアームとを有し、前記
弾性部は、前記荷重用ビームと接続される部分近傍の少
なくとも一部に曲部を有する孔により複数に分離されて
いることを特徴とする磁気記録再生装置を提供する。[Configuration of the Invention] (Means for Solving the Problems) In order to achieve the above object, in the present invention, a magnetic head for recording and reproducing information on a storage medium, and a head slider to which the magnetic head is attached. A mounting member to which the head slider is mounted; a load beam connecting the mounting member to one end; and a load beam connected to the other end of the load beam, and a load is applied to the head slider via the load beam. To this end, an elastic portion having a rigidity lower than that of the load beam and a carriage arm for supporting the elastic portion and for moving the magnetic head on the magnetic recording medium are provided. The elastic portion is divided into a plurality of portions by a hole having a curved portion at least in the vicinity of the portion connected to the load beam. To provide a recording and reproducing apparatus.
(作用) 軽荷重の場合、単一の板バネのままではバネ部の長さ
を長くし、幅をせまくし、板厚を薄くする必要があっ
た。これに対して、上記した本発明の構成によれば、ヘ
ッドスライダへの負荷荷重を小さくすることができると
ともに、ヘッドスライダ支持機構のシーク方向の剛性を
高く保つことができる。このため、ヘッドスライダと記
憶媒体との間に生ずる摩擦力及び粘性流体力に対しても
十分な強度を持たせることができる。(Operation) In the case of a light load, it is necessary to increase the length of the spring part, narrow the width, and reduce the plate thickness with a single plate spring. On the other hand, according to the above-described configuration of the present invention, the load applied to the head slider can be reduced, and the rigidity of the head slider support mechanism in the seek direction can be kept high. Therefore, it is possible to provide sufficient strength against the frictional force and the viscous fluid force generated between the head slider and the storage medium.
また、弾性部の荷重用ビームと接続される部分近傍の
少なくとも一部に曲部を有する孔を設けることにより、
その部分の応力集中の影響を緩和することができる。Further, by providing a hole having a curved portion in at least a part of the elastic portion in the vicinity of the portion connected to the load beam,
The effect of stress concentration at that portion can be mitigated.
(実施例) 以下、図面を参照してこの発明を詳細に説明する。第
2図は本発明に係る磁気記録再生装置に用いられるヘツ
ドスライダ支持機構の一実施例を示す。荷重用ビーム13
は一端に一対の片持梁20、ヘツドスライダ22、およびヘ
ツドスライダ取付部21を有し、他端に弾性部15が形成さ
れている。弾性部15の中心付近には孔が形成されてい
る。また、弾性部15はキヤリツジ固定部16を介してキヤ
リツジアーム17に連接されている。(Example) Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 2 shows an embodiment of a head slider support mechanism used in the magnetic recording / reproducing apparatus according to the present invention. Beam for load 13
Has a pair of cantilevers 20, a head slider 22, and a head slider mounting portion 21 at one end, and an elastic portion 15 is formed at the other end. A hole is formed near the center of the elastic portion 15. Further, the elastic portion 15 is connected to a carriage arm 17 via a carriage fixing portion 16.
ここで、それぞれの弾性部15は荷重用ビーム13と一体
的に形成されているが、実質的なバネ作用部としての機
能は、フランジ14により分離されている。即ち、フラン
ジ14を設けることにより、荷重用ビーム13の剛性を高
め、ヘッドスライダをシークする際の無用の振動を防止
し、磁気ヘッドの位置決め精度並びに応答特性を向上さ
せることが可能となる。弾性部15は、図中の23の部分が
孔となっているため、この部分がある単一の板バネに比
べバネ定数が弱くなる。従ってバネ定数を一定とした場
合バネ部長さを短くすることができ、シーク方向および
走行方向の剛性を高めることができる。また、スライダ
取付部およびこれを支える一対の片持梁は低可撓性材料
からなり、走行する記憶媒体面の動きに応じてピツチン
グおよびローリング運動を行うことができる。Here, each elastic portion 15 is formed integrally with the load beam 13, but the function as a substantial spring action portion is separated by the flange 14. That is, by providing the flange 14, it is possible to increase the rigidity of the load beam 13, prevent unnecessary vibration when seeking the head slider, and improve the positioning accuracy and response characteristics of the magnetic head. Since the elastic portion 15 has a hole at 23 in the figure, the spring constant is weaker than that of a single leaf spring having this portion. Therefore, when the spring constant is constant, the length of the spring portion can be shortened, and the rigidity in the seek direction and the traveling direction can be increased. The slider mounting portion and the pair of cantilever beams supporting the slider mounting portion are made of a low-flexibility material, and can perform pitching and rolling motions according to the movement of the traveling storage medium surface.
特に走行方向に対する板バネの剛性は、荷重用ビーム
13のヘッドスライダ22等を有する一端と、弾性部15を有
する他端とを結んだ長手方向に関する中心軸回りの弾性
部15のモーメント分布によって決定される。本発明の磁
気記録再生装置に用いられるヘツドスライダ支持機構で
あると、モーメントの作用が最も小さい弾性部15のほぼ
中央に孔23を設け、弾性部15を分離させているので、全
体の剛性にはほとんど影響を与えない。モーメントが大
きく作用する弾性部15の端部付近が残されていれば従来
とほぼ同様の剛性を得ることができる。In particular, the rigidity of the leaf spring in the traveling direction is
It is determined by the moment distribution of the elastic portion 15 around the central axis in the longitudinal direction, which connects one end of the head slider 22 and the like of 13 and the other end having the elastic portion 15. In the head slider support mechanism used in the magnetic recording / reproducing apparatus of the present invention, since the hole 23 is provided substantially in the center of the elastic portion 15 where the action of the moment is smallest and the elastic portion 15 is separated, the rigidity of the whole is improved. Has little effect. If the vicinity of the end of the elastic portion 15 where a large moment acts is left, almost the same rigidity as the conventional one can be obtained.
また、上記した孔23は、弾性部15の荷重用ビーム13と
接続される部分近傍の少なくとも一部に曲部を有するよ
うな形状とすることが望ましい。かかる形状によれば、
その部分の応力集中の影響を緩和することができ、弾性
部15の無用な変形を防止することが可能となる。Further, it is desirable that the hole 23 described above be shaped so as to have a curved portion in at least a part in the vicinity of a portion where the elastic portion 15 is connected to the load beam 13. According to such a shape,
The effect of stress concentration at that portion can be mitigated, and unnecessary deformation of the elastic portion 15 can be prevented.
第3図は弾性部15と荷重用ビーム13の間に高剛性のハ
リ部材28を固着した場合の本発明による実施例である。FIG. 3 shows an embodiment according to the present invention in which a highly rigid tension member 28 is fixed between the elastic portion 15 and the load beam 13.
[発明の効果] 以上述べたように本発明の磁気記録再生装置に用いら
れるヘツドスライダ支持機構によれば、弾性部の荷重ビ
ームの幅方向に関してほぼ中央に孔を設けることによ
り、荷重が小さくても弾性部のバネ部長さを長くし、
幅、厚さを小さくする必要がなく、シーク方向の剛性を
高く保つことができる。このため、ヘツドスライダと記
憶媒体面との間に生ずる摩擦力および粘性流体力に対し
ても十分な強度を持つことができる。[Effects of the Invention] As described above, according to the head slider support mechanism used in the magnetic recording / reproducing apparatus of the present invention, since the hole is provided in the elastic portion substantially in the center in the width direction of the load beam, the load is reduced. Also lengthen the spring part of the elastic part,
It is not necessary to reduce the width and thickness, and the rigidity in the seek direction can be kept high. Therefore, it is possible to have sufficient strength against the frictional force and the viscous fluid force generated between the head slider and the storage medium surface.
また、弾性部の荷重用ビームと接続される部分近傍の
少なくとも一部に曲部を有する孔を設けることにより、
その部分の応力集中の影響を緩和することができ、弾性
部の無用な変形を防止することが可能となる。Further, by providing a hole having a curved portion in at least a part of the elastic portion in the vicinity of the portion connected to the load beam,
It is possible to mitigate the effect of stress concentration at that portion and prevent unnecessary deformation of the elastic portion.
第1図は従来の磁気記録再生装置に用いられるヘツドス
ライダ支持機構を示すもので、同図(a)は平面図、同
図(b)は取付部材とヘツドスライダとの取付状態を示
す平面図、第2図は本発明に係る磁気記録再生装置に用
いられるヘツドスライダ支持機構の一実施例を示す平面
図、第3図はこの発明の他の実施例を示す平面図であ
る。 1,13……荷重用ビーム 2,14……フランジ 3,15……弾性部 4,16……キャリッジ固定部 5,19……取付部材 6,21……ヘッドスライダ取付部 7,20……片持梁 8……荷重負荷用突起 9……基部 10,22……ヘッドスライダ 11,29……走行方向 17……キャリッジアーム 18……ねじ 23……孔 28……ハリ部材1A and 1B show a head slider supporting mechanism used in a conventional magnetic recording / reproducing apparatus. FIG. 1A is a plan view and FIG. 1B is a plan view showing a mounting state of a mounting member and a head slider. FIG. 2 is a plan view showing an embodiment of a head slider support mechanism used in a magnetic recording / reproducing apparatus according to the present invention, and FIG. 3 is a plan view showing another embodiment of the present invention. 1,13 …… Load beam 2,14 …… Flange 3,15 …… Elastic part 4,16 …… Carriage fixing part 5,19 …… Mounting member 6,21 …… Head slider mounting part 7,20 …… Cantilever 8 …… Loading projection 9 …… Base 10,22 …… Head slider 11,29 …… Running direction 17 …… Carriage arm 18 …… Screw 23 …… Hole 28 …… Spring member
フロントページの続き (56)参考文献 特開 昭55−22296(JP,A) 特開 昭55−67973(JP,A) 特開 昭54−131912(JP,A) 特開 昭58−159274(JP,A) 実開 昭57−56365(JP,U) 実開 昭56−72359(JP,U)Continuation of front page (56) Reference JP-A-55-22296 (JP, A) JP-A-55-67973 (JP, A) JP-A-54-131912 (JP, A) JP-A-58-159274 (JP , A) Actual development 57-56365 (JP, U) Actual development 56-72359 (JP, U)
Claims (3)
磁気ヘッドと,この磁気ヘッドが取り付けられるヘッド
スライダと,このヘッドスライダが取り付けられる取付
部材と,この取付部材を一端に接続する荷重用ビーム
と,この荷重用ビームの他端に接続され,該荷重用ビー
ムを介して前記ヘッドスライダに荷重を負荷するため該
荷重用ビームよりも低剛性に構成された弾性部と,この
弾性部を支持するとともに,前記磁気記録媒体上で前記
磁気ヘッドを移動させるために設けられるキャリッジア
ームとを有し,前記弾性部は,前記荷重用ビームと接続
される部分近傍の少なくとも一部に曲部を有する孔によ
り複数に分離されていることを特長とする磁気記録再生
装置。1. A magnetic head for recording and reproducing information to and from a storage medium, a head slider to which this magnetic head is attached, an attachment member to which this head slider is attached, and a load for connecting this attachment member to one end. The beam, an elastic portion connected to the other end of the load beam, and configured to have a rigidity lower than that of the load beam for applying a load to the head slider via the load beam, and the elastic portion. And a carriage arm provided to move the magnetic head on the magnetic recording medium, and the elastic portion has a curved portion at least in a portion near a portion connected to the load beam. A magnetic recording / reproducing apparatus characterized in that it is separated into a plurality by a hole that it has.
前記他端とを結ぶ長手方向と略垂直な方向に関してほぼ
中央に設けられていることを特徴とする請求項1記載の
磁気記録再生装置。2. The magnetic recording according to claim 1, wherein the hole is provided substantially at a center in a direction substantially perpendicular to a longitudinal direction connecting the load beam and the one end and the other end. Playback device.
的に形成されていることを特徴とする請求項1または請
求項2のいずれかに記載の磁気記録再生装置。3. The magnetic recording / reproducing apparatus according to claim 1, wherein the loading beam and the elastic portion are integrally formed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2100371A JP2539075B2 (en) | 1990-04-18 | 1990-04-18 | Magnetic recording / reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2100371A JP2539075B2 (en) | 1990-04-18 | 1990-04-18 | Magnetic recording / reproducing device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58066996A Division JPH0823976B2 (en) | 1983-04-18 | 1983-04-18 | Magnetic recording / reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0395777A JPH0395777A (en) | 1991-04-22 |
JP2539075B2 true JP2539075B2 (en) | 1996-10-02 |
Family
ID=14272185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2100371A Expired - Lifetime JP2539075B2 (en) | 1990-04-18 | 1990-04-18 | Magnetic recording / reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2539075B2 (en) |
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JPS5567973A (en) * | 1978-11-17 | 1980-05-22 | Hitachi Ltd | Magnetic head |
JPS5672359U (en) * | 1979-11-09 | 1981-06-13 | ||
JPS5756365U (en) * | 1980-09-16 | 1982-04-02 | ||
JPS57150584A (en) * | 1981-03-12 | 1982-09-17 | Seikosha Co Ltd | Impact type dot printer |
FR2523346B1 (en) * | 1982-03-15 | 1988-06-10 | Cii Honeywell Bull | DEVICE FOR LOADING A MAIN BODY OF A PLATFORM COMPRISING AT LEAST ONE TRANSDUCER FOR READ / WRITE OF AN INFORMATION MEDIUM |
JPH0823976A (en) * | 1994-07-14 | 1996-01-30 | Asahi Chem Ind Co Ltd | Purification of plasmid dna having super-coil form |
-
1990
- 1990-04-18 JP JP2100371A patent/JP2539075B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0395777A (en) | 1991-04-22 |
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