JPH03150761A - Recording or reproducing device - Google Patents
Recording or reproducing deviceInfo
- Publication number
- JPH03150761A JPH03150761A JP29090889A JP29090889A JPH03150761A JP H03150761 A JPH03150761 A JP H03150761A JP 29090889 A JP29090889 A JP 29090889A JP 29090889 A JP29090889 A JP 29090889A JP H03150761 A JPH03150761 A JP H03150761A
- Authority
- JP
- Japan
- Prior art keywords
- head
- recording
- pad
- negative pressure
- magnetic sheet
- 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
- 239000000853 adhesive Substances 0.000 claims abstract description 19
- 230000001070 adhesive effect Effects 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は記録または再生装置の走行安定板の形状に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the shape of a running stabilizer for a recording or reproducing device.
[従来の技術]
従来より、回転する磁気シート等に記録または再生を行
う記録または再生装置においては、記録・再生時に回転
する磁気シートと磁気ヘットとの相対位置を安定に保つ
ためのシート安定板が考案されている。第3−a図及び
第3−b図に示すものは、通常負圧パッドと呼ばれるシ
ート安定板の一例である。これは磁気シートに対向して
配され回転する磁気シートとの相対運動により発生する
負圧を利用し、磁気シートを磁気ヘッド側へ吸引し、両
者の相対位置を安定に保つものである。[Prior Art] Conventionally, in a recording or reproducing device that performs recording or reproduction on a rotating magnetic sheet or the like, a sheet stabilizing plate is used to keep the relative position of the rotating magnetic sheet and magnetic head stable during recording or reproduction. has been devised. What is shown in Figures 3-a and 3-b is an example of a seat stabilizer commonly called a negative pressure pad. This utilizes the negative pressure generated by the relative movement of a rotating magnetic sheet placed opposite to the magnetic sheet to attract the magnetic sheet toward the magnetic head and keep the relative position of the two stable.
この負圧パッドの固定方法としては、第3−a図の様に
、磁気ヘッド101が取付けられているヘッドキャリッ
ジ104と負圧バッド102の外周側面を接着する方法
や、第3−b図の様に磁気ヘッド101と負圧バッド1
02の底面及びヘッド突出孔105の間を接着する方法
等がある。This negative pressure pad can be fixed by bonding the head carriage 104 on which the magnetic head 101 is attached and the outer peripheral side of the negative pressure pad 102 as shown in Figure 3-a, or by gluing the outer peripheral side of the negative pressure pad 102 as shown in Figure 3-b. Similarly, magnetic head 101 and negative pressure pad 1
There is a method of bonding between the bottom surface of 02 and the head protrusion hole 105, etc.
[発明が解決しようとしている課題]
しかしながら、上記従来例では、負圧バッドを接着する
際、接着剤103が負圧パッド102の上面102−1
や磁気ヘッド101の先端の方までまわりこんでしまう
場合がある。[Problem to be Solved by the Invention] However, in the above conventional example, when bonding the negative pressure pad, the adhesive 103 is attached to the upper surface 102-1 of the negative pressure pad 102.
In some cases, the magnetic head 101 may even reach the tip of the magnetic head 101 .
たとえ第3−a図のように磁気シートとの対向面である
負圧パッド上面102−1に接着剤103がまわりこん
だ場合、この接着剤103により負圧バッド上面にパリ
のように突出し、磁気シートの記録面を傷つけ、記録・
再生を不能としてしまう。Even if the adhesive 103 wraps around the upper surface 102-1 of the negative pressure pad, which is the surface facing the magnetic sheet, as shown in FIG. Damage the recording surface of the magnetic sheet,
This makes playback impossible.
又、第3−b図のように磁気ヘッド101の先端まで接
着剤103がまわりこんだ場合も磁気ヘッド101の摺
接面を覆ってしまったり、磁気シートを傷つけたりして
、記録・再生ができなくなりてしまうといフた欠点があ
った。Furthermore, if the adhesive 103 gets around to the tip of the magnetic head 101 as shown in Figure 3-b, it may cover the sliding surface of the magnetic head 101 or damage the magnetic sheet, causing recording/reproduction to fail. The drawback was that it would no longer be possible.
[問題点を解決するための手段]
本発明は上述した問題点を解決することを目的としてな
されたもので、その特徴とするところは、記録媒体とヘ
ッドとを相対的に駆動して記録または再生を行う記録ま
たは再生装置において、前記ヘッド近傍の取付部に前記
記録媒体のB動にともなって前記記録媒体を前記ヘッド
へと引き寄せるべく負圧を発生させるパッドを設け、該
パッドは前記記録媒体と対向せざる前記取付部近傍の位
置に凹部または切欠き部等を形成された記録または再生
装置である。[Means for Solving the Problems] The present invention was made for the purpose of solving the above-mentioned problems, and is characterized by the ability to perform recording or recording by relatively driving a recording medium and a head. In a recording or reproducing apparatus that performs reproduction, a pad is provided at a mounting portion near the head to generate negative pressure in order to draw the recording medium toward the head as the recording medium moves B, and the pad is configured to The recording or reproducing device is provided with a recessed portion, a cutout portion, or the like in a position near the mounting portion that does not face the recording or reproducing device.
[作用]
これによりてパッドの接着部分に接着剤のたまり部が形
成され、パッドの磁気シート対向面及び磁気ヘッド先端
への接着剤の流出を防ぐことができる。[Function] As a result, a pool of adhesive is formed in the adhesive portion of the pad, and it is possible to prevent the adhesive from flowing out to the surface of the pad facing the magnetic sheet and the tip of the magnetic head.
[実hiii例] 以下、本発明における記録または再生装置を。[Actual example] The recording or reproducing apparatus according to the present invention will be described below.
各図を参照しながらその実施例について詳述する。The embodiment will be described in detail with reference to each figure.
第1図は、本発明の記録または再生装置の一実施例を示
す斜視図である。FIG. 1 is a perspective view showing an embodiment of the recording or reproducing apparatus of the present invention.
同図において1は、ディスクジャケットであり、内部に
記録用磁気シート3が回転自在に収納されている。磁気
シート3の中央には、後述するスピンドルモータ10の
回転軸に取り付けられたスピンドルと確実に位置決め保
持されるセンタコア2を有する。In the figure, reference numeral 1 denotes a disk jacket, in which a recording magnetic sheet 3 is rotatably housed. At the center of the magnetic sheet 3, there is a center core 2 that is securely positioned and held with a spindle attached to a rotating shaft of a spindle motor 10, which will be described later.
13は装填されたディスクジャケット内のディスクを回
転駆動するディスクドライブ装置である。Reference numeral 13 denotes a disk drive device that rotates the disk inside the loaded disk jacket.
4は、記録再生用磁気ヘッド、5は磁気ヘッド4の周囲
に配され、ディスクの回転によって吸引力(負圧)を発
生させる負圧バッドであり、詳細は後述する。ヘッド4
と負圧バッド5は接着により、ヘッド駆動用のへラドキ
ャリッジ6と固定されている。4 is a magnetic head for recording and reproducing, and 5 is a negative pressure pad that is arranged around the magnetic head 4 and generates an attractive force (negative pressure) by rotation of the disk, the details of which will be described later. head 4
The negative pressure pad 5 is fixed to a helad carriage 6 for driving the head by adhesive.
ヘッドキャリッジ6は、板バネ等の弾性部材7の凸部7
aを介して、ヘッド送り機構、すなわち、ステップモー
タ9、リードスクリュー8と係合している。また他端は
、ガイド棒12によって軸方向にスライド自在に支持さ
れ、モータ9の駆動により、所定量単位で磁気シート3
の矢印Aで示す半径方向へ駆動される。10は、磁気シ
ート3を回転するスピンドルモータであり、ディスクの
センタコア2を保持するチャッキング部11を有する。The head carriage 6 has a convex portion 7 of an elastic member 7 such as a plate spring.
It is engaged with a head feeding mechanism, that is, a step motor 9 and a lead screw 8 via a. The other end is supported by a guide rod 12 so as to be able to slide freely in the axial direction, and is driven by a motor 9 to move the magnetic sheet 3 by a predetermined amount.
is driven in the radial direction shown by arrow A. 10 is a spindle motor that rotates the magnetic sheet 3, and has a chucking section 11 that holds the center core 2 of the disk.
このチャッキング部11と磁気シートは、周知の手段に
よりディスクジャケットの装脱にともなって取りはずし
自在に保持される。このスピンドルモータ10の回転に
より磁気シート3が回転し、その時のシート3と負圧バ
ッド5の間での流体力学的作用によって、シート3がパ
ッド5へと吸引されることにより磁気ヘッド4に圧接さ
れ良好な、ヘッドタッチを得ることができるわけである
。The chucking portion 11 and the magnetic sheet are held in a removable manner by well-known means when the disk jacket is attached or removed. The rotation of the spindle motor 10 rotates the magnetic sheet 3, and due to the hydrodynamic action between the sheet 3 and the negative pressure pad 5, the sheet 3 is attracted to the pad 5 and pressed against the magnetic head 4. This means that you can get a good head touch.
第2−a図は本発明における負圧バッド形状の一実施例
である。又第2−b図及び第2−a図は本発明に招ける
負圧パッド形状の他の実施例である。これらの図におい
て、5−1ないし5−4は接着剤14の負圧バッド上面
5−5及び磁気ヘッド4先端へのまわりこみを防止する
ための凹・凸部である。これらの凹部により、接着時、
余分な接着剤のたまり部が形成され、パッド及びヘッド
上面への流れ込みを防止できる。5−1及び5−3は負
圧バッド5の外周側面の全周もしくは一部に設けられた
凹部であり、5−2は負圧バッド5の磁気ヘッド突出孔
5−6の全周もしくは一部に設けられた凸部、5−3は
負圧バッド5底面の磁気ヘッド突出子5−7近傍の全周
もしくは1部に設けられた凸部であり、これら凹・凸部
の形状及び設置場所は接着剤14の塗布位置に応じて変
更が可能であることはいうまでもない。Figure 2-a shows an embodiment of the negative pressure pad shape according to the present invention. Further, Fig. 2-b and Fig. 2-a show other embodiments of the negative pressure pad shape that can be applied to the present invention. In these figures, 5-1 to 5-4 are concave and convex portions for preventing the adhesive 14 from running around the upper surface 5-5 of the negative pressure pad and the tip of the magnetic head 4. Due to these recesses, when bonding,
A pool of excess adhesive is formed and can be prevented from flowing onto the pad and the upper surface of the head. 5-1 and 5-3 are recesses provided on the entire circumference or a part of the outer peripheral side surface of the negative pressure pad 5, and 5-2 is a recess provided on the entire circumference or a portion of the magnetic head protrusion hole 5-6 of the negative pressure pad 5. The convex part 5-3 is a convex part provided on the entire circumference or part of the vicinity of the magnetic head protrusion 5-7 on the bottom surface of the negative pressure pad 5, and the shape and installation of these concave and convex parts are Needless to say, the location can be changed depending on the application position of the adhesive 14.
負圧バッド5とキャリッジ6又は磁気ヘッド4を接着固
定する場合、接着剤14は前記口・凸部5−1ないし5
−4にたまり、せき止められるため、磁気シート3との
対向面でおる負圧パッド上面5−5及び磁気ヘッド4先
端へは付着しない。When adhesively fixing the negative pressure pad 5 and the carriage 6 or the magnetic head 4, the adhesive 14 is applied to the opening/convex portions 5-1 to 5.
-4 and is dammed up, so it does not adhere to the upper surface 5-5 of the negative pressure pad, which is the surface facing the magnetic sheet 3, and to the tip of the magnetic head 4.
従って、接着剤14により磁気シート3の記録面を傷つ
けたり磁気ヘッド4の摺接面を覆ってしまうようなこと
がなく、常に磁気シート3に対して良好且つ信頼性の高
い記録・再生が可能となる。Therefore, the adhesive 14 does not damage the recording surface of the magnetic sheet 3 or cover the sliding surface of the magnetic head 4, and it is possible to always perform good and reliable recording and reproduction on the magnetic sheet 3. becomes.
[発明の効果]
以上説明したように、本発明における記録または再生装
置によれば、負圧バッドの磁気シート対向面以外の場所
例えば、外周側面、底面、磁気ヘッド突出孔等に、接着
剤のたまり部を形成する様な凹部または凸部を設けるこ
とにより、負圧パッド上面及び磁気ヘッド先端への接着
剤の付着及び、そのための611気シートの記録・再生
動作の不良を防止し、装置の安定性信頼性を高めること
ができる効果がある。[Effects of the Invention] As explained above, according to the recording or reproducing apparatus of the present invention, adhesive is not applied to the negative pressure pad at locations other than the surface facing the magnetic sheet, such as the outer peripheral side surface, the bottom surface, the magnetic head protrusion hole, etc. By providing a concave or convex portion that forms a pool, it is possible to prevent adhesive from adhering to the upper surface of the negative pressure pad and the tip of the magnetic head, and thereby prevent malfunctions in recording and reproducing operations of the 611 sheet, thereby improving the performance of the device. This has the effect of increasing stability and reliability.
4、図面の?’J!!−な説明
第1図は本発明における記録または再生装置の一実施例
の構成を示す斜視図、
第2−a図、第2−b図、第2−a図は、本発明を実施
した負圧バッドの形状を示す断面図、第3−a図及び第
3−b図は従来例の負圧パッド形状を示す断面図である
。4. What about the drawings? 'J! ! - Explanation Fig. 1 is a perspective view showing the configuration of an embodiment of the recording or reproducing device according to the present invention, and Fig. 2-a, Fig. 2-b, and Fig. 2-a show a negative 3-a and 3-b are cross-sectional views showing the shape of a conventional negative pressure pad.
3・・・磁気シート
4.101・・・磁気ヘッド
5.102・・・負圧バッド
5−1.5−2.5−3.5−4・・・凹・凸部5−5
,102−1.・・・負圧パッド上面5−6,105・
・・磁気ヘッド突出孔6.104・・・キャリッジ
爆3−α図
%3−レ印3...Magnetic sheet 4.101...Magnetic head 5.102...Negative pressure pad 5-1.5-2.5-3.5-4...Concave/convex portion 5-5
, 102-1.・・・Negative pressure pad top surface 5-6, 105・
...Magnetic head protrusion hole 6.104...Carriage explosion 3-α diagram %3-mark
Claims (2)
は再生を行う記録または再生装置において、前記ヘッド
近傍の取付部に前記記録媒体の移動にともなって前記記
録媒体を前記ヘッドへと引き寄せるべく負圧を発生させ
るパッドを設け、該パッドは前記記録媒体と対向させる
前記取付部近傍の位置に凹部または凸部等を形成されて
いることを特徴とする記録または再生装置。(1) In a recording or playback device that performs recording or playback by relatively moving a recording medium and a head, a mounting portion near the head draws the recording medium toward the head as the recording medium moves. 1. A recording or reproducing device characterized in that a pad for generating negative pressure is provided, and the pad has a concave portion or a convex portion formed in a position near the mounting portion facing the recording medium.
たは凸部は前記パッドを前記取付部に接着する接着剤の
たまり部であることを特徴とする記録または再生装置。(2) The recording or reproducing device according to claim (1), wherein the recess or protrusion is a pool of adhesive for bonding the pad to the mounting portion.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29090889A JPH03150761A (en) | 1989-11-07 | 1989-11-07 | Recording or reproducing device |
EP90121317A EP0427239B1 (en) | 1989-11-07 | 1990-11-07 | Recording or reproducing apparatus |
DE69032039T DE69032039T2 (en) | 1989-11-07 | 1990-11-07 | Recording or playback device |
US08/264,236 US5477410A (en) | 1989-11-07 | 1994-06-22 | Recording or reproducing apparatus using a stabilizing pad |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29090889A JPH03150761A (en) | 1989-11-07 | 1989-11-07 | Recording or reproducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03150761A true JPH03150761A (en) | 1991-06-27 |
Family
ID=17762067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29090889A Pending JPH03150761A (en) | 1989-11-07 | 1989-11-07 | Recording or reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03150761A (en) |
-
1989
- 1989-11-07 JP JP29090889A patent/JPH03150761A/en active Pending
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