JPH0823976B2 - Magnetic recording / reproducing device - Google Patents
Magnetic recording / reproducing deviceInfo
- Publication number
- JPH0823976B2 JPH0823976B2 JP58066996A JP6699683A JPH0823976B2 JP H0823976 B2 JPH0823976 B2 JP H0823976B2 JP 58066996 A JP58066996 A JP 58066996A JP 6699683 A JP6699683 A JP 6699683A JP H0823976 B2 JPH0823976 B2 JP H0823976B2
- Authority
- JP
- Japan
- Prior art keywords
- head slider
- load
- storage medium
- load beam
- magnetic recording
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
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を荷重用ビーム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 attached to the head slider attaching portion 6 of the attaching member 5, and the attaching member 5 has its base portion 9 attached in the vicinity of the tip portion 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.
このため弾性部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。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。Therefore, the rigidity of the elastic portion in the seek direction is lowered, and it becomes impossible to obtain sufficient strength against the frictional force and the 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、そのシーク方
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、弾性部の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) In the head slider support mechanism used in the conventional magnetic recording / reproducing apparatus as described above, when the elastic portion is designed in consideration of the case where the load of the head slider is small, the rigidity in the seek direction is Is lowered, 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. 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 of the elastic portion in the seek direction is kept high, and the friction force generated between the head slider and the storage medium surface is maintained. And a magnetic recording / reproducing apparatus having a head slider supporting mechanism having sufficient strength against viscous fluid force.
［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、前記記憶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、前記荷重用ビームの前記一端と前記他端とを結ぶ
長手方向に関する長さが該長手方向に略垂直な方向に関
する長さよりも長くなるように形成された複数の板バネ
を、該長手方向に略垂直な方向に関して並列に間隔を有
して配置することにより構成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。[Structure 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 this 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. In order to achieve this, the elastic beam has a rigidity lower than that of the load beam, and a carriage arm for supporting the elastic part and for moving the magnetic head on the storage medium. The portion has a length in the longitudinal direction connecting the one end and the other end of the load beam longer than a length in a direction substantially perpendicular to the longitudinal direction. A plurality of leaf springs formed to provide a magnetic recording and reproducing apparatus characterized in that it is constituted by arranging at a distance in parallel with respect to a direction substantially perpendicular to the longitudinal direction.
（作用） 軽荷重の場合、単一の板バネ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、荷重用ビームの長手方向に関する長さが該長
手方向に略垂直な方向に関する長さよりも長くなるよう
に形成された複数の板バネを、該長手方向に略垂直な方
向に関して並列に間隔を有して配置することにより、軽
荷重の場合でも弾性部全部の長さを長くし、厚さを薄く
する必要がなくなる。(Operation) In the case of a light load, with a single leaf spring, it was necessary to lengthen the spring portion, narrow the width, and thin the thickness. On the other hand, a plurality of leaf springs formed so that the length of the load beam in the longitudinal direction is longer than the length in the direction substantially perpendicular to the longitudinal direction are arranged in parallel in the direction substantially perpendicular to the longitudinal direction. By arranging them at intervals, it is not necessary to increase the length of the entire elastic portion and reduce the thickness thereof even under a light load.
また、これらの弱い板バネを間隔をおいて配置するこ
とにより、従来のキャリッジ固定部およびビーム本体部
の寸法をそのまま使用することができるとともに、シー
ク方向の剛性を高く維持することが可能となる。このた
め、ヘッ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十分な強度を持たせることが
できる。Further, by arranging these weak leaf springs at intervals, the dimensions of the conventional carriage fixing portion and beam main body portion can be used as they are, and the rigidity in the seek direction can be maintained high. . Therefore, sufficient strength can be provided against the frictional force and the viscous fluid force generated between the head slider and the storage medium surface.
また、厚さを薄くする必要がないため、弾性部のバネ
部の工作が容易となり、材料の選定もしやすくなる。Further, since it is not necessary to reduce the thickness, it is easy to machine the spring portion of the elastic portion and the material can be easily selected.
（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図はこの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、他端に複数の弾性部15
が形成されている。この弾性部15は、荷重用ビーム13の
長手方向に関する長さがその幅方向に関する長さよりも
長く形成された複数の板バネを該連結部材の幅方向に関
して並列に間隔を有して配置することにより構成されて
いる。ここで、荷重用ビーム13の長手方向とは、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
を結んだ方向をいい、荷重用ビーム13の幅方向とは、上
記した長手方向に略垂直な方向をいうものとする。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。なお、キャリッジアーム
は、記憶媒体上で磁気ヘッドを所定の位置に移動させる
機能を有する。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。弾性部と弾性部との間
の空間23は、この部分の応力集中の影響を緩和するため
の効果も有するものである。荷重用ビーム13には、図中
の空間23のため、従来の単一の板バネに比べバネ定数が
弱くなる。従ってバネ定数が一定の場合バネ部長さを短
くすることができる。また、複数の板バネを空間23を介
して並列に配置することによりヘツドスライダの負荷荷
重が小さい場合でも、シーク方向および走行方向の剛性
を比較的高く設定することができる。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。(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 a plurality of elastic portions 15 at the other end.
Are formed. The elastic portion 15 has a plurality of leaf springs formed such that the length in the longitudinal direction of the load beam 13 is longer than the length in the width direction, and the leaf springs are arranged in parallel in the width direction of the connecting member at intervals. It is composed by. Here, the longitudinal direction of the load beam 13 refers to a direction connecting one end having the head slider 22 and the other end having the elastic portion 15, and the width direction of the load beam 13 is the above-described longitudinal direction. The direction that is substantially perpendicular to the direction shall be referred to. Further, the elastic portion 15 is connected to a carriage arm 17 via a carriage fixing portion 16. The carriage arm has a function of moving the magnetic head to a predetermined position on the storage medium. Here, each elastic portion 15 is formed integrally with the load beam 13, but the function as a substantial spring acting 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. The space 23 between the elastic portions also has an effect of alleviating the effect of stress concentration in this portion. Because of the space 23 in the figure, the load beam 13 has a weaker spring constant than the conventional single leaf spring. Therefore, when the spring constant is constant, the length of the spring portion can be shortened. Further, by arranging a plurality of leaf springs in parallel with each other through the space 23, the rigidity in the seek direction and the traveling direction can be set to be relatively high even when the load load on the head slider is small. 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.
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.
第４図は３つの弾性部がある場合で、このように設定
荷重によって適当に弾性部の数を選択することができ
る。FIG. 4 shows the case where there are three elastic portions, and thus the number of elastic portions can be appropriately selected according to the set load.
［発明の効果］ 以上述べたようにこの発明の磁気記録再生装置に用い
られるヘッドスライダ支持機構によれば、ヘッドスライ
ダのローリングとピッチングを許容して、ヘッドスライ
ダが記憶媒体面に追従し得る適度の柔軟性を維持しつ
つ、複数の弾性部を用いることにより、荷重が小さくて
も弾性部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。[Advantages of the Invention] As described above, according to the head slider support mechanism used in the magnetic recording / reproducing apparatus of the present invention, it is possible to allow the head slider to roll and pitch so that the head slider can follow the surface of the storage medium. By using a plurality of elastic portions while maintaining the flexibility of, the rigidity of the elastic portions in the seek direction can be kept high even when the load is small.
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.
第１図は従来の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図はこの発明に
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図および第４図はこ
の発明に係る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……空間 28……ハリ部材FIG. 1 shows a conventional head slider support mechanism.
1A is a plan view, FIG. 1B is a plan view showing a mounting state of a mounting member and a head slider, and FIG. 2 is a head slider supporting mechanism used in a magnetic recording / reproducing apparatus according to the present invention. FIG. 3 is a plan view showing an embodiment, and FIGS. 3 and 4 are plan views showing another embodiment according to 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 …… Space 28 …… Spring member
Claims (2)
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、前記記憶媒体上で前記磁気
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、前記荷重用ビームの前記一端
と前記他端とを結ぶ長手方向に関する長さが該長手方向
に略垂直な方向に関する長さよりも長くなるように形成
された複数の板バネを、該長手方向に略垂直な方向に関
して並列に間隔を有して配置することにより構成されて
いることを特徴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 the magnetic head is attached, a mounting member to which the head slider is mounted, and a load for connecting the mounting member to one end. A 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; A carriage arm that is provided for supporting and moving the magnetic head on the storage medium, and the elastic portion has a length in a longitudinal direction connecting the one end and the other end of the load beam. A plurality of leaf springs formed so as to be longer than the length in the direction substantially perpendicular to the longitudinal direction and having a space in parallel in the direction substantially perpendicular to the longitudinal direction. Magnetic recording and reproducing apparatus characterized by being configured by arranging Te.
的に形成されていることを特徴とする特許請求の範囲第
１項記載の磁気記録再生装置。2. The magnetic recording / reproducing apparatus according to claim 1, wherein the load beam and the elastic portion are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58066996A JPH0823976B2 (en) | 1983-04-18 | 1983-04-18 | Magnetic recording / reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58066996A JPH0823976B2 (en) | 1983-04-18 | 1983-04-18 | Magnetic recording / reproducing device |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2100371A Division JP2539075B2 (en) | 1990-04-18 | 1990-04-18 | Magnetic recording / reproducing device |
| JP5114152A Division JP2524078B2 (en) | 1993-04-19 | 1993-04-19 | Magnetic recording / reproducing device |
| JP11426493A Division JPH0612806A (en) | 1993-04-19 | 1993-04-19 | Magnetic recording and reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59193582A JPS59193582A (en) | 1984-11-02 |
| JPH0823976B2 true JPH0823976B2 (en) | 1996-03-06 |
Family
ID=13332120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58066996A Expired - Lifetime JPH0823976B2 (en) | 1983-04-18 | 1983-04-18 | Magnetic recording / reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0823976B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0770182B2 (en) * | 1987-03-02 | 1995-07-31 | 株式会社日立製作所 | Head support device |
| US4991045A (en) * | 1987-12-21 | 1991-02-05 | Hutchinson Technology, Inc. | Suspension assembly |
| CA2055060C (en) * | 1990-12-31 | 1996-04-16 | John R. Reidenbach | Rotary actuator for disk drive assemblies |
| JPH0798949A (en) * | 1993-09-16 | 1995-04-11 | Internatl Business Mach Corp <Ibm> | Suspension system |
| JP4846939B2 (en) * | 2001-08-21 | 2011-12-28 | 電源開発株式会社 | Exhaust gas treatment equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2429473A1 (en) * | 1978-06-21 | 1980-01-18 | Cii Honeywell Bull | PLATFORM OF AT LEAST ONE TRANSDUCER FOR READING AND / OR RECORDING AN INFORMATION MEDIUM |
| US4167765A (en) * | 1978-07-27 | 1979-09-11 | International Business Machines Corporation | Transducer suspension mount apparatus |
| 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 |
-
1983
- 1983-04-18 JP JP58066996A patent/JPH0823976B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59193582A (en) | 1984-11-02 |
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