JPH03102682A - Disk driving device - Google Patents

Disk driving device

Info

Publication number
JPH03102682A
JPH03102682A JP23951589A JP23951589A JPH03102682A JP H03102682 A JPH03102682 A JP H03102682A JP 23951589 A JP23951589 A JP 23951589A JP 23951589 A JP23951589 A JP 23951589A JP H03102682 A JPH03102682 A JP H03102682A
Authority
JP
Japan
Prior art keywords
head
harness
signal
detection sensor
chassis
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.)
Granted
Application number
JP23951589A
Other languages
Japanese (ja)
Other versions
JP2805092B2 (en
Inventor
Yuji Suzuki
裕次 鈴木
Tatsuhiko Shigemoto
繁本 竜彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP1239515A priority Critical patent/JP2805092B2/en
Publication of JPH03102682A publication Critical patent/JPH03102682A/en
Application granted granted Critical
Publication of JP2805092B2 publication Critical patent/JP2805092B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To reduce the number of parts by using a harness for a head output signal and a harness for a reference track detection sensor in common so that the signal of the sensor is fetched on a chassis side with the aid of the harness for the head signal. CONSTITUTION:The reference track detection sensor 18 for detecting the reference track position (the 00 position) of a floppy disk 10 is provided on a head carriage 13 side. Besides, a photocoupler is used for the reference track detection sensor 18. Then, a light shielding plate 19 provided on the chassis 6 side enters the recessed part 20 of the photocoupler being as the reference track detection sensor 18 when the sensor 18 is moved to the 00 position of the head floppy disk 10 and the position of a head or the like is detected. The signal thereof is fetched on the chassis 6 side through the harness for a head signal 17. Thus, the harness for a head output signal 17 and the harness for a reference track detection sensor are integrated. As the result, the number of the parts and an assembly man-hour are reduced.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明はディスクドライブ装置に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to a disk drive device.

[発明の概要] 本発明はディスクドライブ装置に関し、特にディスの基
準トラック位置(00位置)を検出するための基準トラ
ック検出センサ(00センサ)をヘッドキャリッジ側に
設け、前記基準トラック検出センサからの信号を、ヘッ
ド出力信号用の7% −ネスでシャーシ側のアンプ等に
取込む構成とすることにより、 ヘッド出力信号用のハーネスと、基準トラック検出セン
サ用のハーネスを一体化(共用化)して、部品点数及び
組付工数の削減と構造の簡素化等を図ることができるよ
うにしたものである。
[Summary of the Invention] The present invention relates to a disk drive device, and in particular, a reference track detection sensor (00 sensor) for detecting a reference track position (00 position) of a disk is provided on the head carriage side, and a By configuring the signal to be taken into the amplifier on the chassis side at 7% -ness for the head output signal, the harness for the head output signal and the harness for the reference track detection sensor can be integrated (shared). This makes it possible to reduce the number of parts and assembly man-hours, and simplify the structure.

「従来の技術] 従来のディスクドライブ装己は第3図に示したようにシ
ャーシ101側に基単トラック検出センサとしてのフォ
トカプラ102を取付け、ヘッドキャリブジ103側に
センサ操作体としての遮光板104を取付け、前記へッ
ドキャリッジ103により、ヘッド105がディスク最
外周の基準トラック位置まで移動してきたときに、前記
遮光板104がフォトカプラ102の凹iioeに侵入
して、J,I;準トラック位置を検出し、その信号をフ
ォトカブラ用のハーネスやリード線107でシャーシ1
01側に取込むようになっている。
[Prior Art] As shown in FIG. 3, a conventional disk drive assembly has a photocoupler 102 as a basic track detection sensor mounted on the chassis 101 side, and a light shielding plate as a sensor operation body on the head calibration 103 side. 104 is attached, and when the head 105 is moved by the head carriage 103 to the reference track position on the outermost circumference of the disk, the light shielding plate 104 enters the recess iioe of the photocoupler 102, and the J,I; quasi-track position is reached. Detects the signal and connects the signal to the chassis 1 using the photocoupler harness or lead wire 107.
01 side.

108,109は−ヒ.下のヘッド信号用のハーネスで
ある。
108, 109 - H. This is the harness for the lower head signal.

[発明が解決しようとする課題] ところで上記従来のディスクドライブ装置にあっては、
上下のヘッド信号用のハーネスl08.109とは独立
別個のフォトカブラ用のハーネスやリード線107を使
用して、フォトカプラ102の信号を取込む構成になっ
ていたために次に述べるような問題点があった。
[Problem to be solved by the invention] By the way, in the above-mentioned conventional disk drive device,
Since the configuration was such that the signal from the photo coupler 102 was taken in using a photo coupler harness and lead wire 107 that were independent of the upper and lower head signal harnesses 108 and 109, the following problems occurred. was there.

(1)ヘッド信号用のハーネス108,109の外にフ
ォトカプラ用のハーネスやリード線107を使用ずるた
め、そのふん部品点数が増える。
(1) In addition to the head signal harnesses 108 and 109, a photocoupler harness and lead wire 107 are used, which increases the number of parts.

(2)フォトカプラ用のハーネスやリード線l07の一
端側をフォトカブラ102に接続し、他端側をコネクタ
110等を介してシャーシ101側に接続しなければな
らず接続作業が繁雑になる。
(2) One end of the photocoupler harness and lead wire l07 must be connected to the photocoupler 102, and the other end must be connected to the chassis 101 via the connector 110 or the like, making the connection work complicated.

特に、コネクタ110を使用する場合には、シャーシ1
01側にコネクタ仲人部を設けなければならず部品点数
が増え、またスペース的な制約も受ける。
In particular, when using the connector 110, the chassis 1
A connector intermediary section must be provided on the 01 side, which increases the number of parts and is also subject to space constraints.

本発明はヘッド信号用のハーネスにフォトカプラ用のハ
ーネスの機能をもたせることにより上記従来の問題点を
解決できるようにしたものである。
The present invention solves the above-mentioned conventional problems by providing a head signal harness with the function of a photocoupler harness.

[課題を解決するための手段] ヘッドキャリッジにフォトカプラ等の基鵡トラック検出
センサを取付け、該センサの信号を、ヘッド信号用のハ
ーネスでシャーシ側に取込むようにした。
[Means for Solving the Problems] A base track detection sensor such as a photocoupler is attached to the head carriage, and a signal from the sensor is taken into the chassis using a head signal harness.

[作用] ヘッドキャリッジに基準トラック検出センサを取付けた
ので、該センサをヘッド信号用のハーネスに接続すれば
、該ヘッド信号用のハーネスを通して基やトラック検出
センサの信号をシャーシ側に取込むことができる。
[Function] Since the reference track detection sensor is attached to the head carriage, if this sensor is connected to the head signal harness, the signal of the base or track detection sensor can be taken into the chassis side through the head signal harness. can.

[実施例] 次に本発明のディスクドライブ装置を第1〜2図を参照
して説明する。
[Embodiment] Next, a disk drive device of the present invention will be described with reference to FIGS. 1 and 2.

!はフロッピーディスクドライブ装置であり、フロッピ
ーディスクカートリッジ2をフロントベゼル3に設けた
ディスク挿入口4から挿入すると、フロッピーディスク
カートリッジ2の先端で挿入口開閉扉5が押され、所謂
逃げ回動してフロッピーディスクカートリッジ2はシャ
ーシ6に取付けられているカートリッジホルダ7内に侵
入し、該カートリッジホルダ7の上面に設けられたシャ
ッタ開閉アーム8でフロッピーディスクドカートリッジ
2のシャッタ9が開けられ、フロッピーディスクカート
リッジ2が所定の位置まで挿入されると、該フロッピー
ディスクカートリッジ2はカートリッジホルダ7と共に
下降し、フロッピーディスクカートリッジ2内のフロッ
ピーディスクIOのハブIlがシャーシ6に設けたター
ンテーブルl2上にチャブキングされて、ターンテーブ
ルl2と共に回転するようになっている。
! is a floppy disk drive device, and when a floppy disk cartridge 2 is inserted through a disk insertion slot 4 provided in a front bezel 3, the insertion opening/closing door 5 is pushed by the tip of the floppy disk cartridge 2, and the floppy disk cartridge 2 is rotated to release the floppy disk. The disk cartridge 2 enters the cartridge holder 7 attached to the chassis 6, and the shutter 9 of the floppy disk cartridge 2 is opened by the shutter opening/closing arm 8 provided on the top surface of the cartridge holder 7, and the floppy disk cartridge 2 is opened. When the floppy disk cartridge 2 is inserted to a predetermined position, the floppy disk cartridge 2 is lowered together with the cartridge holder 7, and the hub I1 of the floppy disk IO in the floppy disk cartridge 2 is chubbed onto the turntable 12 provided on the chassis 6. It is adapted to rotate together with the turntable l2.

またシャーシ6にはへッドキャリッジl3がスライド可
能に取付けられている。
Further, a head carriage l3 is slidably attached to the chassis 6.

前記へッドキャリッジl3には枢支部14を支点にして
上下方向に回動ずるヘッドアー人l5が取付けられてい
て、その先端に上部ヘッドが取付けられている(第1図
においてへッドアームI5の先端側は破断されていて、
上部ヘッドと共に図示は省略されている)と共に、前記
ヘッドと対向する位置のへッドキャリッジl3の上面に
は下部ヘッド16が設けられている。
A head arm 15 is attached to the head carriage 13 and rotates in the vertical direction using a pivot 14 as a fulcrum, and an upper head is attached to the tip of the head arm 15 (in Fig. 1, the tip side of the head arm I5 is It is broken,
In addition to the upper head (not shown), a lower head 16 is provided on the upper surface of the head carriage l3 at a position facing the head.

そして、前記へッドアーム+5はカートリッジホルダ7
が上昇しているときは、該カートリッジホルダ7の上面
板により押し上げられていて、フロッピーディスクカー
トリッジ2を挿入する際の障書にならないようになって
いると共に、フロッピーディスクカートリッジ2をカー
トリッジホルダ7に仲人し終って、該カートリッジホル
ダ7が下降すると、これと共にヘッドアームl5も下降
して、その先端に取付けた上部ヘッドと前記へッドキャ
リッジl3の先端に取付けた下部ヘッドI6との間でフ
ロッピーディスクlOを挾むようになっている。
The head arm +5 is a cartridge holder 7.
When the floppy disk cartridge 2 is raised, it is pushed up by the top plate of the cartridge holder 7, so that there is no obstruction when inserting the floppy disk cartridge 2, and the floppy disk cartridge 2 is not inserted into the cartridge holder 7. When the cartridge holder 7 is lowered when the cartridge holder 7 is lowered, the head arm l5 is also lowered, and the floppy disk lO is held between the upper head attached to the tip of the head arm l5 and the lower head I6 attached to the tip of the head carriage l3. It seems to be sandwiching.

そして、これらヘッドの間でフロッピーディスクIOを
挾んだ状態でヘッドキャリッジI3をフロッピーディス
ク10の半径方向の外周側から内周側へ移動させ、フロ
ッピーディスクIOに記録された信号をヘッド信号用の
ハーネスI7でシャーン6側に取込みながら記録再生を
行なうようになっている。
Then, with the floppy disk IO sandwiched between these heads, the head carriage I3 is moved from the outer circumferential side to the inner circumferential side in the radial direction of the floppy disk 10, and the signal recorded on the floppy disk IO is transferred to the head signal. Recording and reproduction are performed while taking in the information to the shear 6 side using the harness I7.

そして、l8がフロッピーディスク10のOO位置を検
出するためにヘッドキャリツジ13に取付けられた塙準
トラック検出センサである。この基準トラック検出セン
サl8にはフオトカプラが用いられていて、前記ヘッド
がフロッピーディスクlOの00位置に移動してきたと
きシャーシ6側に設けた遮光板I9が基準トラック検出
センサl8としてのフォトカブラの凹部20に入り込ん
でヘッド等の位置を検出し、その信号を前記ヘッド信号
用のハーネスl7を通してシャーシ6側に取込むように
なっている。
Reference numeral 18 denotes a track detection sensor attached to the head carriage 13 to detect the OO position of the floppy disk 10. A photocoupler is used for this reference track detection sensor l8, and when the head moves to the 00 position of the floppy disk lO, a light shielding plate I9 provided on the chassis 6 side is inserted into the recess of the photocoupler as the reference track detection sensor l8. 20 to detect the position of the head, etc., and the signal is taken into the chassis 6 side through the head signal harness 17.

前記遮光板l9はへッドキャリッジ13のスライドガイ
ド軸2Iを押えるガイド軸押え板22に一体的に形成さ
れている。
The light shielding plate l9 is integrally formed with a guide shaft holding plate 22 that presses down the slide guide shaft 2I of the head carriage 13.

前記ガイド軸押え板22は第2図に示したように、止め
ねじ23によりシャーシ6上に取付けられる構成になっ
ていると共に、前記止めねじ23を押入するためガイド
軸押え板22に設けたねじ受孔24(よ前記スライドガ
イド軸21の長さ方向に平行する長孔に作られていて、
該長孔の長さの範囲内でスライドガイド軸2Iの軸方向
に変位させることができるようになっている。
As shown in FIG. 2, the guide shaft holding plate 22 is configured to be attached to the chassis 6 with a set screw 23, and a screw provided on the guide shaft holding plate 22 is used to push the set screw 23 into the guide shaft holding plate 22. A receiving hole 24 (made as a long hole parallel to the length direction of the slide guide shaft 21,
The slide guide shaft 2I can be displaced in the axial direction within the length of the elongated hole.

また114記ガイド軸押え板22の一側部にはガイド軸
押え板位置調整具としての偏心ドライバ25を神入する
ためのU字状の凹部26が形成されていると』(に、該
凹部26内に位置させた状態でシャーシ6にはドライバ
受孔27が形成されている。
In addition, a U-shaped recess 26 is formed on one side of the guide shaft holding plate 22 in item 114 for inserting an eccentric driver 25 as a guide shaft holding plate position adjustment tool. A driver receiving hole 27 is formed in the chassis 6 when the driver is positioned inside the chassis 26 .

そして前記ドライバ受孔27に偏心ドライバ25の円形
カム28の下面に設けた偏心軸29を挿入し、該偏心軸
29を中心にして円形カム28を左右に1目1転させる
と、該カム28の周面でガイド軸押え板22を左右に変
位させて遮光板l9の位置調整を行なうようになってい
る。
Then, the eccentric shaft 29 provided on the lower surface of the circular cam 28 of the eccentric driver 25 is inserted into the driver receiving hole 27, and when the circular cam 28 is rotated left and right once around the eccentric shaft 29, the cam 28 The position of the light shielding plate l9 is adjusted by displacing the guide shaft holding plate 22 from side to side on the circumferential surface of the guide shaft holding plate 22.

なお3うまでもないことであるがヘッド信号用のハーネ
スl7には基準トラック検出センサl8からの信号をシ
ャーシ6側に取込むためのリード部が一体に形成されて
いる。
It goes without saying that the head signal harness l7 is integrally formed with a lead portion for receiving the signal from the reference track detection sensor l8 into the chassis 6 side.

そして、前記ヘッド信号用のハーネスl7の一端部は前
記下部ヘッドl6に接続され、その中途部が基準トラッ
ク検出センサ18に接続され、他端部にはコネクタ30
が接続されていて、該コネクタ30を介してシャーシ6
側に接続されるようになっている。なお3Iは上部ヘッ
ド用のハーネスである。
One end of the head signal harness l7 is connected to the lower head l6, the middle part thereof is connected to the reference track detection sensor 18, and the other end is connected to the connector 30.
is connected to the chassis 6 through the connector 30.
It is connected to the side. Note that 3I is a harness for the upper head.

実施例のディスクドライブ装説1は以上説明したような
構成であるから、止めねじ24を緩めて、偏心ドライバ
25でガイド軸押え板22及びこれに設けられている遮
光板l9を動かして、00トラックの位置調整を行なう
ことができる。そして位:n 7J5整後に止めねじ2
4を締付けることによりガイド軸押え板22をソヤーシ
61二に固定すればよいのである(止めねじ24をトル
ク管理することにより位置調整後に止めねじの締付けを
不要にすることもできる)。
Since the disk drive assembly 1 of the embodiment has the configuration as described above, loosen the set screw 24 and use the eccentric driver 25 to move the guide shaft holding plate 22 and the light shielding plate l9 provided thereon. You can adjust the track position. And position: n 7J5 Set screw 2 after alignment
4 (by controlling the torque of the set screw 24, it is also possible to eliminate the need to tighten the set screw after position adjustment).

なお図面に示す実施例ではガイド軸押え板22の一郎を
切起して遮光板l9をガイド軸押え板22と一体に形成
した場合を示したが、ガイド軸押え板22に遮光板l9
を取付ける構成としてもよい。
In the embodiment shown in the drawings, the guide shaft holding plate 22 is cut out to form the light shielding plate l9 integrally with the guide shaft holding plate 22;
It may also be configured to attach.

また遮光板19は必ずしもガイド軸押え板22に設ける
必要はない。
Further, the light shielding plate 19 does not necessarily need to be provided on the guide shaft holding plate 22.

また括準トラック検出センサl8もフオトカプラに限定
されない。
Further, the central track detection sensor l8 is not limited to a photocoupler.

[発明の効果] 以上説明したように本発明は、ヘッドキャリブジに基準
トラック検出センサを取付け、該センサの信号を、ヘッ
ド信号用のハーネスでシャーシ側に取込むようにしたの
で次に述べるような効果がある。
[Effects of the Invention] As explained above, in the present invention, a reference track detection sensor is attached to the head calibration, and the signal from the sensor is taken into the chassis side by the head signal harness. It has a great effect.

(])ヘッド出力信号用のハーネスと、括準トラック検
出センサ用のハーネスを共用したので、そのぶんj1<
品点数を減らし、コストダウンを図ることできる。また
ヘッド信号用のハーネスと基準トラック検出用のハーネ
スを一体化したので、該ハーネスをシャーシ側に接続す
るコネクタも一つですみ、今迄のようにヘッド信号用の
ハーネスと基準トラックセンナ用のハーネスに別々にコ
ネクタを取付ける必要がなくなり、そのぶんコストダウ
ンを図ることができる。
(]) Since the harness for the head output signal and the harness for the track detection sensor are shared, j1<
It is possible to reduce the number of items and reduce costs. In addition, since the head signal harness and the reference track detection harness are integrated, only one connector is required to connect the harness to the chassis side. There is no need to separately attach a connector to the harness, and costs can be reduced accordingly.

(2)ガイド軸押え板の一郎を切起す等の方法により容
易に基準トラック検出センサ操作用の遮光板等を形成す
ることができる。
(2) A light-shielding plate, etc. for operating the reference track detection sensor can be easily formed by cutting and raising the guide shaft holding plate.

(3)薄型、厚型兼用シャーシにおけるような上方又は
下方につけられた基板にも対応しやすいものになる。
(3) The present invention can easily be applied to a board mounted above or below, such as in a thin and thick chassis.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明のディスクドライブ装置の分解斜視図、
第2図は要部の拡大斜祖図、第3図は従来例の斜視図で
ある。 !・・・ディスクドライブ装置、17・・・ヘッド信号
用のハーネス、18・・・基準トラック検出センサ。
FIG. 1 is an exploded perspective view of a disk drive device of the present invention;
FIG. 2 is an enlarged perspective view of the main parts, and FIG. 3 is a perspective view of a conventional example. ! . . . Disk drive device, 17 . . . Head signal harness, 18 . . . Reference track detection sensor.

Claims (1)

【特許請求の範囲】[Claims] (1)ヘッドキャリッジに基準トラック検出センサを取
付け、該センサの信号を、ヘッド信号用のハーネスでシ
ャーシ側に取込むようにしたことを特徴とするディスク
ドライブ装置。
(1) A disk drive device characterized in that a reference track detection sensor is attached to the head carriage, and a signal from the sensor is taken into the chassis side through a head signal harness.
JP1239515A 1989-09-14 1989-09-14 Disk drive device Expired - Lifetime JP2805092B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1239515A JP2805092B2 (en) 1989-09-14 1989-09-14 Disk drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1239515A JP2805092B2 (en) 1989-09-14 1989-09-14 Disk drive device

Publications (2)

Publication Number Publication Date
JPH03102682A true JPH03102682A (en) 1991-04-30
JP2805092B2 JP2805092B2 (en) 1998-09-30

Family

ID=17045948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1239515A Expired - Lifetime JP2805092B2 (en) 1989-09-14 1989-09-14 Disk drive device

Country Status (1)

Country Link
JP (1) JP2805092B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0515163U (en) * 1991-07-24 1993-02-26 テイアツク株式会社 Disk device
US5264618A (en) * 1990-04-19 1993-11-23 Vical, Inc. Cationic lipids for intracellular delivery of biologically active molecules
US5580859A (en) * 1989-03-21 1996-12-03 Vical Incorporated Delivery of exogenous DNA sequences in a mammal
US5693622A (en) * 1989-03-21 1997-12-02 Vical Incorporated Expression of exogenous polynucleotide sequences cardiac muscle of a mammal
US6214804B1 (en) 1989-03-21 2001-04-10 Vical Incorporated Induction of a protective immune response in a mammal by injecting a DNA sequence
US6228844B1 (en) 1991-11-12 2001-05-08 Vical Incorporated Stimulating vascular growth by administration of DNA sequences encoding VEGF
US6673776B1 (en) 1989-03-21 2004-01-06 Vical Incorporated Expression of exogenous polynucleotide sequences in a vertebrate, mammal, fish, bird or human
US6867195B1 (en) 1989-03-21 2005-03-15 Vical Incorporated Lipid-mediated polynucleotide administration to reduce likelihood of subject's becoming infected

Citations (1)

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JPS63103479A (en) * 1986-10-20 1988-05-09 Matsushita Electric Ind Co Ltd Magnetic disk recording and reproducing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63103479A (en) * 1986-10-20 1988-05-09 Matsushita Electric Ind Co Ltd Magnetic disk recording and reproducing device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580859A (en) * 1989-03-21 1996-12-03 Vical Incorporated Delivery of exogenous DNA sequences in a mammal
US5693622A (en) * 1989-03-21 1997-12-02 Vical Incorporated Expression of exogenous polynucleotide sequences cardiac muscle of a mammal
US5703055A (en) * 1989-03-21 1997-12-30 Wisconsin Alumni Research Foundation Generation of antibodies through lipid mediated DNA delivery
US6214804B1 (en) 1989-03-21 2001-04-10 Vical Incorporated Induction of a protective immune response in a mammal by injecting a DNA sequence
US6673776B1 (en) 1989-03-21 2004-01-06 Vical Incorporated Expression of exogenous polynucleotide sequences in a vertebrate, mammal, fish, bird or human
US6867195B1 (en) 1989-03-21 2005-03-15 Vical Incorporated Lipid-mediated polynucleotide administration to reduce likelihood of subject's becoming infected
US5264618A (en) * 1990-04-19 1993-11-23 Vical, Inc. Cationic lipids for intracellular delivery of biologically active molecules
JPH0515163U (en) * 1991-07-24 1993-02-26 テイアツク株式会社 Disk device
JPH0731416Y2 (en) * 1991-07-24 1995-07-19 ティアック株式会社 Disk device
US6228844B1 (en) 1991-11-12 2001-05-08 Vical Incorporated Stimulating vascular growth by administration of DNA sequences encoding VEGF

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