JPS6139984A - Floppy disk driving device - Google Patents

Floppy disk driving device

Info

Publication number
JPS6139984A
JPS6139984A JP16304784A JP16304784A JPS6139984A JP S6139984 A JPS6139984 A JP S6139984A JP 16304784 A JP16304784 A JP 16304784A JP 16304784 A JP16304784 A JP 16304784A JP S6139984 A JPS6139984 A JP S6139984A
Authority
JP
Japan
Prior art keywords
floppy disk
stator
driving device
box
magnetic pole
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
Application number
JP16304784A
Other languages
Japanese (ja)
Inventor
Hirobumi Ota
博文 大田
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP16304784A priority Critical patent/JPS6139984A/en
Publication of JPS6139984A publication Critical patent/JPS6139984A/en
Pending legal-status Critical Current

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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
  • Linear Motors (AREA)

Abstract

PURPOSE:To decrease depth of a box for a driving device and to easily realize miniaturization of a device by installing a magnetic pole tooth of a stator of a linear pulse motor inside the box of a disk driving device. CONSTITUTION:A flat-type linear pulse motor 1 is composed of a stator 2 and a stator 2 and a shifter 3, and a magnetic head 14 fitted at a tip of an arm 13 along a supporting shaft 12 is shiftably installed in the radial direction. A magnetic pole tooth 6 of a stator 2 of the motor 1 is in a projecting way formed at an inside surface of a box 7 by machine processing or etching, the shifter 3 fixes a permanent magnet to the center and at both ends, magnetic pole teeth 5- I, 5-II... are formed in which an excitation coil 10 is wound. For this reason, the depth of the box 7 of a driving device can be decreased and the driving device can be easily miniaturized.

Description

【発明の詳細な説明】 （イ）発明の分野 この発明は、計算機等の記憶装置に取付けられてデータ
の記憶に使用される、フラット型リニアパルスモータ駆
動方式のフロッピーディスク駆動装置に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of the Invention The present invention relates to a flat type linear pulse motor driven floppy disk drive device which is attached to a storage device of a computer or the like and used for storing data.

（ロ）発明の背景 計算機等の記憶装置は、その装置内に装着されたフロッ
ピーディスクの任意の場所に、磁気ヘッドを移動圧接さ
せフロッピー１．：ディスクのデータの書込みまたは読
出しを行？ている。(B) Background of the Invention In a storage device such as a computer, a magnetic head is moved and press-contacted to an arbitrary location on a floppy disk installed in the device. : Write or read data on disk? ing.

従来この種のリニアパルスモータを使用したフロッピー
ディスク駆動装置（以下ＦＤＤと呼ぶ）のヘッドアクセ
ス機構は実開昭５８−９７７５９号のような公知の構成
のものがあり、この構成は第４図、第５図に示すように
ＦＤＤの箱体３１の後端部にリニアパルスモータ３２を
配設して、このリニアパルスモータ３２の移動子３３の
一端側、にアーム３４を固定し、さらにこのアーム３４
の先端部に磁気ヘッド３５．３５を固定し、この磁気ヘ
ッド３５．３５を箱体３１の前面部より挿入ｔｉ着され
るフロッピーディスク３６の両端面に圧接させ、リニア
パルスモータ３２により磁気ヘッド３５を矢印方向に水
平移動させてデータの書込みまたは読出しを行っている
。Conventionally, the head access mechanism of a floppy disk drive (hereinafter referred to as FDD) using this type of linear pulse motor has a known configuration as disclosed in Japanese Utility Model Application No. 58-97759, and this configuration is shown in FIG. As shown in FIG. 5, a linear pulse motor 32 is disposed at the rear end of the box 31 of the FDD, and an arm 34 is fixed to one end of the mover 33 of the linear pulse motor 32. 34
A magnetic head 35.35 is fixed to the tip of the box body 31, and the magnetic head 35.35 is pressed against both end surfaces of a floppy disk 36 inserted from the front side of the box body 31. Data is written or read by moving horizontally in the direction of the arrow.

しかしかかる構成ではリニアパルスモータ３２がフロッ
ピーディスク３６の後端側に配設されるため、箱体３１
の奥行寸法が増加しそのためＦＤＤの小型化が困難であ
った。However, in such a configuration, since the linear pulse motor 32 is disposed at the rear end side of the floppy disk 36, the box body 31
This increases the depth dimension of the FDD, making it difficult to downsize the FDD.

（ハ）発明の目的 そこでこの発明は、箱体の奥行寸法を減少して箱体の小
型化が容易にてきるフロッピーディスク駆動装置の提供
を目的とする。(c) Purpose of the Invention Therefore, an object of the present invention is to provide a floppy disk drive device in which the depth of the box can be reduced and the size of the box can be easily downsized.

（ニ）発明の要約 この発明は、リニアパルスモータにより磁気ヘッドを駆
動して、箱体内に装着されたフロッピーディスクに書込
み、読出しを行うフロッピーディスク駆動装置であって
、前記箱体の側部に固定子の磁極歯を形成してフラット
型リニアパルスモータを構成したフロッピーディスク駆
動装置であることを特徴とする。(D) Summary of the Invention The present invention is a floppy disk drive device that drives a magnetic head using a linear pulse motor to write to and read from a floppy disk mounted inside a box. The present invention is characterized in that it is a floppy disk drive device in which magnetic pole teeth of a stator are formed to constitute a flat type linear pulse motor.

（ホ）発明の効果 この発明によれば、フロッピーディスクを装着するは箱
体の内側部にフラット型リニアパルスモータを構成する
一部品である固定子磁極歯を形成するとともに、この固
定子磁極歯に対応して移動子磁極歯を配設してフラット
型リニアパルスモータを構成したので、箱体の奥行寸法
が少なくなりＦＤＤの小型化が容易に可能となった。(E) Effects of the Invention According to this invention, stator magnetic pole teeth, which are a part of a flat type linear pulse motor, are formed on the inside of the box body into which the floppy disk is mounted, and the stator magnetic pole teeth Since a flat type linear pulse motor is constructed by arranging the magnetic pole teeth of the slider correspondingly, the depth dimension of the box body is reduced and it becomes possible to easily downsize the FDD.

（へ）発明の実施例 この発明の一実施例を以下図面に基づいて詳述する。(f) Examples of the invention An embodiment of the present invention will be described in detail below based on the drawings.

図面はフロッピーディスク駆動装置を示し第１図〜第３
図においてフロッピーディスし駆動装置のフラット・型
リニアパルスモータ１は固定子２と移動子３とにより構
成され、移動子３のヨーク４を形成する磁極歯５−Ｉ、
５−Ｉｌ、５−Ｉ［，５−■歯固定子２の磁極歯６・・
・に対して各々が所定量ずつ位相をずらしてなる公知の
フラット型リニアパルスモータの構造で形成されている
。このため入力されるパルス信号の１パルスに対して移
動子３は１／４Ｐだけ水平移動する。The drawings show a floppy disk drive and are shown in Figures 1 to 3.
In the figure, a flat type linear pulse motor 1 of a floppy disk drive device is composed of a stator 2 and a moving element 3, with magnetic pole teeth 5-I forming a yoke 4 of the moving element 3;
5-Il, 5-I[, 5-■ Tooth Magnetic pole tooth 6 of stator 2...
It is formed with the structure of a known flat type linear pulse motor in which the phase is shifted by a predetermined amount from each other. Therefore, the movable element 3 horizontally moves by 1/4P for one pulse of the input pulse signal.

前述の固定子２は、箱体７の内側面であって、装着され
るフロッピーディスク８の側部に形成され、その磁極歯
６・・・は、箱体７の内側面を機械加工により凸条に形
成するか、あるいは強磁性体の薄板をエツチング加工等
により凸条に形成し、これを箱体７の内側面に適宜の固
定方法で離脱不可に固定されている。The stator 2 described above is formed on the inner surface of the box body 7 and on the side of the floppy disk 8 to be mounted, and its magnetic pole teeth 6 are formed by machining the inner surface of the box body 7 into convex parts. It is formed into a strip, or a thin plate of ferromagnetic material is formed into a convex strip by etching or the like, and this is fixed irremovably to the inner surface of the box body 7 by an appropriate fixing method.

前述の移動子３は、その中央部に永久磁石９を固定し、
その両端部に前述の磁極歯５−Ｉ、５’ｌｌ。The above-mentioned mover 3 has a permanent magnet 9 fixed in its center,
The aforementioned magnetic pole teeth 5-I and 5'll are provided at both ends thereof.

５−Ｉｌ、　５・・・■を形成するとともに、それぞれ
の磁極歯５−１．５−Ｉ、５−’Ｉ［［，５−ｒＶには
励磁コイル１０・・・が捲回されてそれらによにリョー
ク４が形成されている。5-Il, 5...■, and the excitation coils 10... are wound around the respective magnetic pole teeth 5-1.5-I, 5-'I [[, 5-rV. A ridge 4 is formed in the middle.

前述の移動子３は、その両側部の１下にリニアベアリン
グ１１．１１をそれぞれ固着し、そ□のリニアベアリン
グ１１に、箱体７に支持固定された支持軸１２．１２を
挿貫している。このため移動子３の磁極歯５−４．’、
　５−”Ｉ［、５−１１１，５〜■と、前述の固定子２
の磁極歯６・・・のそれぞれの先端面は適宜の間隙空間
を設けて対面されるとともに、□その状態で前後に摺動
自在にスライドする。またその後端面であって、前述の
フロッピーディスク８の装着面に対応した位置にアーム
１３が固定されている。　　　　　　　　・　゛ 前述のアーム１３は、口字状に形成されその両端片を前
述のフロッピーディスク８の後部中心線上まで延出して
形成し、その先端の対向面に一対の磁気ヘッド１４．１
４を固定している。The above-mentioned mover 3 has linear bearings 11.11 fixed to the bottom of both sides thereof, and a support shaft 12.12 supported and fixed to the box body 7 is inserted into the linear bearings 11. There is. Therefore, the magnetic pole teeth 5-4 of the mover 3. ',
5-”I[, 5-111, 5~■ and the stator 2 mentioned above.
The tip surfaces of each of the magnetic pole teeth 6 face each other with an appropriate gap space, and in this state, they slide freely back and forth. Further, an arm 13 is fixed to the rear end surface at a position corresponding to the mounting surface of the floppy disk 8 described above. - The above-mentioned arm 13 is formed in the shape of an opening, with both end pieces extending to the rear center line of the above-mentioned floppy disk 8, and a pair of magnetic heads 14.1 are provided on opposing surfaces of the tip thereof.
4 is fixed.

前述の磁気ヘッド１４．１４は、フロッピーディスクカ
バー１５の読取り窓面１６，１６を介して前述のフロッ
ピーディスク８の両端面を挟着し、フロッピーディスク
８がＦＤ’Ｄの回転装置く図示せず）により回転駆動さ
れたとき、パルス信号に対応して前後にスライドしてフ
ロッピーディスク８の書込み、読出しを行う。The aforementioned magnetic head 14.14 clamps both end surfaces of the aforementioned floppy disk 8 via the reading window surfaces 16, 16 of the floppy disk cover 15, and the floppy disk 8 is attached to an FD'D rotating device (not shown). ), it slides back and forth in response to pulse signals to perform writing and reading on and from the floppy disk 8.

このようにフラット型リニアパルスモータ１を゛構成す
ることによって、フロッピーディスク駆動装置の奥行き
が短くなり、装置を小型化することができる。By configuring the flat type linear pulse motor 1 in this manner, the depth of the floppy disk drive device is shortened, and the device can be made smaller.

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

第１図〜第３図は本発明のフロッピーディスク駆動装置
のアクセス機構の一実施例を示し、第１図は箱体の上部
を取外した状態の上面図、第２図は第１図のフラット型
リニアパルスモータ部の斜視図、 第３図は第２図の断面図、 第４図は従来のフロッピーディスク駆動装置のアクセス
機構の箱体の上部を取外した状態の上面図、第５図は第
４図の断面図である。 １・・・フラット型リニアパルスモータ２・・・固定子
　　　　　　６・・・磁極歯７・・・箱　体 ８・・・フロッピーディスク １４・・・磁気ヘッド 第１図 第４図1 to 3 show an embodiment of the access mechanism of the floppy disk drive of the present invention, FIG. 1 is a top view with the upper part of the box body removed, and FIG. 2 is a flat view of the floppy disk drive of the present invention. Figure 3 is a cross-sectional view of Figure 2, Figure 4 is a top view of the access mechanism of a conventional floppy disk drive with the top of the box removed, and Figure 5 is a perspective view of the linear pulse motor section. FIG. 4 is a sectional view of FIG. 4; 1... Flat type linear pulse motor 2... Stator 6... Magnetic pole teeth 7... Box body 8... Floppy disk 14... Magnetic head Fig. 1 Fig. 4

Claims (1)

【特許請求の範囲】 １、リニアパルスモータにより磁気ヘッドを駆動して、
箱体内に装着されたフロッピーデ ィスクに書込み、読出しを行うフロッピー ディスク駆動装置であって、 前記箱体の内側面部に固定子の磁極歯を形 成してフラット型リニアパルスモータを構 成したことを特徴とする フロッピーディスク駆動装置。[Claims] 1. A magnetic head is driven by a linear pulse motor,
A floppy disk drive device for writing to and reading from a floppy disk mounted in a box body, characterized in that stator magnetic pole teeth are formed on the inner side of the box body to constitute a flat type linear pulse motor. floppy disk drive.
JP16304784A 1984-08-01 1984-08-01 Floppy disk driving device Pending JPS6139984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16304784A JPS6139984A (en) 1984-08-01 1984-08-01 Floppy disk driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16304784A JPS6139984A (en) 1984-08-01 1984-08-01 Floppy disk driving device

Publications (1)

Publication Number Publication Date
JPS6139984A true JPS6139984A (en) 1986-02-26

Family

ID=15766166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16304784A Pending JPS6139984A (en) 1984-08-01 1984-08-01 Floppy disk driving device

Country Status (1)

Country Link
JP (1) JPS6139984A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04241273A (en) * 1991-01-14 1992-08-28 Nec Gumma Ltd Floppy disk device
JPH04241271A (en) * 1991-01-14 1992-08-28 Nec Gumma Ltd Floppy disk device
JPH05135512A (en) * 1991-03-12 1993-06-01 Nec Corp Floppy disk device
JPH0620370A (en) * 1991-08-19 1994-01-28 Canon Electron Inc Disk device
JPH06318377A (en) * 1991-08-19 1994-11-15 Canon Electron Inc Disk device
US20220319544A1 (en) * 2021-04-06 2022-10-06 Seagate Technology Llc Data storage device linear actuator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49100517A (en) * 1973-01-31 1974-09-24
JPS5730150A (en) * 1980-07-28 1982-02-18 Fujitsu Ltd Head positioning mechanism of magnetic disk device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49100517A (en) * 1973-01-31 1974-09-24
JPS5730150A (en) * 1980-07-28 1982-02-18 Fujitsu Ltd Head positioning mechanism of magnetic disk device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04241273A (en) * 1991-01-14 1992-08-28 Nec Gumma Ltd Floppy disk device
JPH04241271A (en) * 1991-01-14 1992-08-28 Nec Gumma Ltd Floppy disk device
JPH05135512A (en) * 1991-03-12 1993-06-01 Nec Corp Floppy disk device
JPH0620370A (en) * 1991-08-19 1994-01-28 Canon Electron Inc Disk device
JPH06318377A (en) * 1991-08-19 1994-11-15 Canon Electron Inc Disk device
US20220319544A1 (en) * 2021-04-06 2022-10-06 Seagate Technology Llc Data storage device linear actuator

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