JPH0775275A - Spindle motor - Google Patents
Spindle motorInfo
- Publication number
- JPH0775275A JPH0775275A JP24056793A JP24056793A JPH0775275A JP H0775275 A JPH0775275 A JP H0775275A JP 24056793 A JP24056793 A JP 24056793A JP 24056793 A JP24056793 A JP 24056793A JP H0775275 A JPH0775275 A JP H0775275A
- Authority
- JP
- Japan
- Prior art keywords
- guide hole
- coil wire
- stator
- hole
- cylindrical portion
- 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
Links
- 230000002093 peripheral effect Effects 0.000 abstract description 12
- 238000009413 insulation Methods 0.000 abstract description 8
- 230000002708 enhancing effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Brushless Motors (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、主として記録ディスク
を回転駆動するために使用されるスピンドルモータに関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spindle motor mainly used for rotating a recording disk.
【０００２】[0002]
【従来の技術】従来のスピンドルモータは、シャフト回
転タイプの場合、ブラケットの円筒部の内側に一対の軸
受を介してロータのシャフトを回転支持し、円筒部の外
周にステータを固定し、このステータの外側にこれに対
向してロータのロータマグネットを配置するようにして
いる。2. Description of the Related Art In a conventional spindle motor of a shaft rotation type, a rotor shaft is rotatably supported inside a cylindrical portion of a bracket through a pair of bearings, and a stator is fixed to the outer periphery of the cylindrical portion. The rotor magnet of the rotor is arranged on the outside of the so as to face it.
【０００３】すなわち、図３に示すように、ハードディ
スクドライブのベース１に固定されるブラケット２は、
下部外周の鍔部３と円筒部４からなる。円筒部４の内側
中央部には、一対の軸受５，６を位置決めするための段
部７が形設され、一方の軸受５が円筒部４の上端部に内
嵌され、他方の軸受６が円筒部４の下端部に内嵌されて
いる。That is, as shown in FIG. 3, the bracket 2 fixed to the base 1 of the hard disk drive is
It is composed of a collar portion 3 and a cylindrical portion 4 on the outer periphery of the lower portion. A step portion 7 for positioning the pair of bearings 5 and 6 is formed in the inner center portion of the cylindrical portion 4, one bearing 5 is internally fitted to the upper end portion of the cylindrical portion 4, and the other bearing 6 is It is fitted in the lower end of the cylindrical portion 4.
【０００４】前記円筒部４の内側には、一対の軸受５，
６を介してシャフト８が回転自在に支持されている。す
なわち、シャフト８は両軸受５，６の内輪の内側に挿入
され、これら内輪がシャフト８に適度の予圧を付与して
接着固定されている。Inside the cylindrical portion 4, a pair of bearings 5,
A shaft 8 is rotatably supported via 6. That is, the shaft 8 is inserted inside the inner rings of both bearings 5 and 6, and these inner rings are bonded and fixed to the shaft 8 by applying an appropriate preload.
【０００５】シャフト８の上端部にはアルミ等からなる
ハブ９が固定され、シャフト８と共に回転するようにな
っている。このハブ９には、図外の磁気ディスクがハブ
９の鍔部１０上に載置して装着されている。ハブ９の鍔
部１０の下面には円筒状で鉄製のヨーク１１が焼き嵌め
等により装着されており、このヨーク１１の内周にロー
タマグネット１２が装着されている。A hub 9 made of aluminum or the like is fixed to the upper end of the shaft 8 so as to rotate together with the shaft 8. A magnetic disk (not shown) is mounted on the collar portion 10 of the hub 9 and mounted on the hub 9. A cylindrical iron yoke 11 is attached to the lower surface of the collar portion 10 of the hub 9 by shrink fitting or the like, and a rotor magnet 12 is attached to the inner circumference of the yoke 11.
【０００６】ブラケット２の円筒部４の外周にはステー
タ１３がロータマグネット１２に対向して固定されてい
る。従って、このステータ１３とロータマグネット１４
との間の電磁作用により、ハブ９はシャフト８を中心と
して回転し、前記磁気ディスクを所要の通りに回転する
ようになっている。A stator 13 is fixed to the outer periphery of the cylindrical portion 4 of the bracket 2 so as to face the rotor magnet 12. Therefore, the stator 13 and the rotor magnet 14
The hub 9 rotates about the shaft 8 by an electromagnetic action between the magnetic disk and the magnetic disk and rotates the magnetic disk as required.
【０００７】他方の軸受６の下方にはキャップ１４が配
設され、円筒部４の下端開口を閉塞するようになってい
る。このキャップ１４によりハードディスク内部へのゴ
ミの侵入を防止することができる。円筒部４の外周面及
びステータ１３の外周面と、ハブ９の下面及び内周面さ
らにロータマグネット１２の内周面との間は、全周に渡
ってラビリンスギャップが形成され、軸受５，６からの
グリースの飛散や不浄な空気に対しシール効果を発揮
し、ハードディスク内部へのこれらの侵入を防止してい
る。A cap 14 is arranged below the other bearing 6 so as to close the lower end opening of the cylindrical portion 4. This cap 14 can prevent dust from entering the hard disk. A labyrinth gap is formed over the entire circumference between the outer peripheral surface of the cylindrical portion 4 and the outer peripheral surface of the stator 13, and the lower and inner peripheral surfaces of the hub 9 and the inner peripheral surface of the rotor magnet 12. It has a sealing effect against grease splashing from and unclean air, and prevents these from entering the hard disk.
【０００８】前記鍔部３には、図４及び図５に示すよう
に、この鍔部３をベース１に固定するための３個のねじ
孔１５が等間隔に形成され、さらに、ステータ１３から
のコイル線１６をベース３の裏面に案内するための案内
孔１７が透設されている。鍔部３の上面には、ステータ
１３のコイルを鍔部３に対し絶縁するために絶縁紙１８
が装着され、これに案内孔１７に対応する透孔が形成さ
れている。As shown in FIGS. 4 and 5, the collar portion 3 is provided with three screw holes 15 for fixing the collar portion 3 to the base 1 at equal intervals. A guide hole 17 for guiding the coil wire 16 to the back surface of the base 3 is transparently provided. An insulating paper 18 is provided on the upper surface of the collar portion 3 to insulate the coil of the stator 13 from the collar portion 3.
Is mounted, and a through hole corresponding to the guide hole 17 is formed therein.
【０００９】鍔部３の裏面には、フレキシブル回路基板
１９の端子部２０が粘着剤により取り付けられ、ステー
タ１３からのコイル線１６が案内孔１７を通して端子部
２０上のランド２１にはんだ付けされている。The terminal portion 20 of the flexible circuit board 19 is attached to the back surface of the collar portion 3 with an adhesive, and the coil wire 16 from the stator 13 is soldered to the land 21 on the terminal portion 20 through the guide hole 17. There is.
【００１０】この場合、コイル線１６が案内孔１７の内
面や下端内周縁に触れると、ショートする可能性がある
ため、従来では、案内孔１７の内側にゴムなどの絶縁チ
ューブ２２が嵌め込まれ、コイル線１６をこの絶縁チュ
ーブ２２内に通してコイル線１６の絶縁を保つようにし
ている。In this case, if the coil wire 16 touches the inner surface of the guide hole 17 or the inner peripheral edge of the lower end, a short circuit may occur. Therefore, conventionally, an insulating tube 22 made of rubber or the like is fitted inside the guide hole 17, The coil wire 16 is passed through the insulating tube 22 to maintain the insulation of the coil wire 16.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、従来の
このような構造にあっては、コイル線１６の絶縁を確保
するために、特に絶縁チューブ２２を必要とし、部品点
数が多くなると共に、それを組み込むための工数が増
し、作業性も悪くなる問題がある。However, in such a conventional structure, in order to secure the insulation of the coil wire 16, the insulating tube 22 is particularly required, and the number of parts is increased and the There is a problem that the number of steps for assembling is increased and the workability is deteriorated.
【００１２】本発明は、従来の技術の有するこのような
問題点に留意してなされたものであり、その目的とする
ところは、部品点数を増すことなく引き出しコイル線の
絶縁を確実に確保し得るスピンドルモータを提供するこ
とにある。The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to ensure the insulation of the lead-out coil wire without increasing the number of parts. To provide a spindle motor to obtain.
【００１３】[0013]
【課題を解決するための手段】前記目的を達成するため
に、本発明に係るスピンドルモータは、ブラケットの円
筒部の外周に固定されたステータと、ブラケットの内側
に一対の軸受を介して回転自在に支持されたシャフト
と、このシャフトに固定されたロータと、このロータの
ステータに対向する位置に配設されたロータマグネット
と、前記円筒部の基部外周に設けられたブラケットのベ
ースへの装着用の鍔部と、この鍔部に透設されたステー
タからのコイル線の案内孔と、鍔部のステータとの反対
面に装着され案内孔から引き出されたコイル線が接続さ
れるランドを有するフレキシブル回路基板とを備え、回
路基板に、実質的に案内孔の軸心線上に位置し内径が案
内孔の内径より十分小さい規制孔を形成し、案内孔から
引き出されたコイル線を規制孔を通してランドに接続す
ることを特徴とするものである。In order to achieve the above object, a spindle motor according to the present invention is rotatable via a stator fixed to the outer periphery of a cylindrical portion of a bracket and a pair of bearings inside the bracket. A shaft supported by the rotor, a rotor fixed to the shaft, a rotor magnet disposed at a position facing the stator of the rotor, and a bracket provided on the outer periphery of the base of the cylindrical portion for mounting on a base. A flexible portion having a collar portion, a guide hole for a coil wire from the stator which is provided through the collar portion, and a land to which a coil wire pulled out from the guide hole is attached, which is mounted on the surface of the collar portion opposite to the stator. A coil that is provided with a circuit board, has a regulation hole that is located substantially on the axis of the guide hole and has an inner diameter that is sufficiently smaller than the inner diameter of the guide hole, and that is drawn out from the guide hole. It is characterized in that connected to the land through restriction hole a.
【００１４】この場合、鍔部のステータ側の面に絶縁紙
を設け、この絶縁紙の案内孔の位置に、案内孔の内側に
嵌まり込む内筒部を形成し、ステータからのコイル線を
内筒部を通して案内孔に挿入することが望ましい。In this case, an insulating paper is provided on the surface of the flange portion on the side of the stator, and an inner cylindrical portion which fits inside the guide hole is formed at the position of the guide hole of the insulating paper, and the coil wire from the stator is provided. It is desirable to insert it into the guide hole through the inner cylindrical portion.
【００１５】[0015]
【作用】前述した本発明のスピンドルモータにあって
は、ステータからのコイル線を案内孔を通して鍔部の裏
面側に引き出す際、フレキシブル回路基板の端子部の規
制孔に通される。この規制孔は実質的に案内孔の軸心線
上に位置し、しかもその内径が案内孔の内径より十分小
さく形成されているため、規制孔を通ったコイル線は、
案内孔の軸心線上を通り、案内孔の内周面に接触するこ
とがない。In the above-described spindle motor of the present invention, when the coil wire from the stator is pulled out to the back side of the flange portion through the guide hole, it is passed through the restriction hole of the terminal portion of the flexible circuit board. This restriction hole is located substantially on the axis of the guide hole, and its inner diameter is formed sufficiently smaller than the inner diameter of the guide hole.
It does not pass through the axis of the guide hole and contact the inner peripheral surface of the guide hole.
【００１６】また、鍔部のステータ側の面に設けた絶縁
紙の案内孔の位置に、案内孔の内側に嵌まり込む内筒部
を形成すれば、ステータからのコイル線をこの内筒部を
通して案内孔に挿入することにより、コイル線は案内孔
の上部周縁に接触することも皆無となる。Further, if an inner cylindrical portion fitted inside the guide hole is formed at the position of the guide hole of the insulating paper provided on the surface of the collar portion on the side of the stator, the coil wire from the stator can be inserted into the inner cylindrical portion. By inserting the coil wire through the through hole into the guide hole, the coil wire does not contact the upper peripheral edge of the guide hole at all.
【００１７】[0017]
【実施例】以下、図示の実施例に基づき本発明を説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the illustrated embodiments.
【００１８】図１は本発明に従うスピンドルモータの実
施例を示す要部の断面図、図２はブラケットの下面図で
ある。FIG. 1 is a sectional view of an essential part showing an embodiment of a spindle motor according to the present invention, and FIG. 2 is a bottom view of a bracket.
【００１９】ブラケット２の鍔部３には、ステータ１３
からのコイル線１６を案内するための案内孔１７が透設
され、鍔部３の上面に設けられた絶縁紙１８の案内孔１
７の位置に、この案内孔１７の内側に嵌まり込む内筒部
２３が形成されている。前記コイル線１６はこの内筒部
２３の内側を通して案内孔１７に挿入されている。The collar portion 3 of the bracket 2 has a stator 13
A guide hole 17 for guiding the coil wire 16 from is provided through the guide hole 1 of the insulating paper 18 provided on the upper surface of the collar portion 3.
An inner cylindrical portion 23 that fits inside the guide hole 17 is formed at the position 7. The coil wire 16 is inserted into the guide hole 17 through the inner side of the inner cylindrical portion 23.
【００２０】フレキシブル回路基板１９の端子部２０は
鍔部３の裏面に装着されているが、この端子部２０に
は、実質的に案内孔１７の軸心線上に位置し内径が案内
孔１７の内径より十分小さい規制孔２４が先端側に切り
欠いて形成され、案内孔１７を通ったコイル線１６がこ
の規制孔２４を通り、端子部２０のランド２１にはんだ
付けされている。The terminal portion 20 of the flexible circuit board 19 is mounted on the back surface of the collar portion 3. In this terminal portion 20, the inner diameter of the guide hole 17 is substantially located on the axis of the guide hole 17. A regulation hole 24, which is sufficiently smaller than the inner diameter, is formed by cutting out on the tip side, and the coil wire 16 passing through the guide hole 17 passes through the regulation hole 24 and is soldered to the land 21 of the terminal portion 20.
【００２１】このような構成のスピンドルモータにあっ
ては、ステータ１３からのコイル線１６が規制孔により
規制されて案内孔１７のほぼ軸心線上に位置し、コイル
線１６が案内孔１７の内周面及び下端周縁に接触するこ
とがなくなり、絶縁性能が高まる。In the spindle motor having such a structure, the coil wire 16 from the stator 13 is regulated by the regulation hole and is positioned substantially on the axial center line of the guide hole 17, and the coil wire 16 is inside the guide hole 17. The peripheral surface and the lower end periphery are not in contact with each other, and the insulation performance is improved.
【００２２】その上、絶縁紙１８の内筒部２３が案内孔
１７内に嵌まり込むため、ステータ１３からのコイル線
１６を案内孔１７の上部周縁に接触させることがなく、
コイル線１６の絶縁性がさらに良好になるものである。Moreover, since the inner cylinder portion 23 of the insulating paper 18 is fitted in the guide hole 17, the coil wire 16 from the stator 13 is not brought into contact with the upper peripheral edge of the guide hole 17,
The insulation of the coil wire 16 is further improved.
【００２３】以上、本発明に従うスピンドルモータの実
施例について説明したが、本発明はかかる実施例に限定
されるものではなく、本発明の範囲を逸脱することなく
種々の変更が可能である。Although the embodiment of the spindle motor according to the present invention has been described above, the present invention is not limited to this embodiment, and various modifications can be made without departing from the scope of the present invention.
【００２４】[0024]
【発明の効果】本発明は、以上説明したように構成され
ているので、次に記載する効果を奏する。Since the present invention is constructed as described above, it has the following effects.
【００２５】ブラケットの鍔部に装着されたフレキシブ
ル回路基板に、鍔部に形成したコイル線の案内孔に対し
その軸心線上に位置する小さい内径の規制孔を形成し、
案内孔に通したコイル線をこの規制孔を通して引き出す
構成としたので、コイル線が案内孔の内周面及び下端周
縁に接触することがなくなり、絶縁性能が高まる効果が
得られる。A flexible circuit board mounted on the flange portion of the bracket is provided with a restriction hole having a small inner diameter located on the axis of the coil wire guide hole formed in the flange portion.
Since the coil wire that has passed through the guide hole is drawn out through this restriction hole, the coil wire does not come into contact with the inner peripheral surface and the lower edge of the guide hole, and the insulating performance is enhanced.
【００２６】また、鍔部のステータ側の面に設けた絶縁
紙の前記案内孔の位置に、案内孔の内側に嵌まり込む内
筒部を形成し、ステータからのコイル線をこの内筒部を
通して案内孔に挿入することにより、コイル線は案内孔
の上部周縁に接触することも皆無となり、絶縁性能がよ
り高まるものである。Further, an inner cylindrical portion fitted inside the guide hole is formed at a position of the guide hole of the insulating paper provided on the stator side surface of the flange portion, and a coil wire from the stator is formed in the inner cylindrical portion. By inserting the coil wire through the through hole into the guide hole, the coil wire does not come into contact with the upper peripheral edge of the guide hole at all, and the insulation performance is further improved.
【図１】本発明に従うスピンドルモータの第１の実施例
を示す要部の断面図である。FIG. 1 is a cross-sectional view of essential parts showing a first embodiment of a spindle motor according to the present invention.
【図２】図１におけるブラケットの下面図である。FIG. 2 is a bottom view of the bracket in FIG.
【図３】従来のスピンドルモータの全体断面図である。FIG. 3 is an overall sectional view of a conventional spindle motor.
【図４】図３のブラケットにおけるコイル線引き出し部
を示す断面図である。FIG. 4 is a cross-sectional view showing a coil wire drawing portion in the bracket of FIG.
【図５】図４の下面図である。5 is a bottom view of FIG. 4. FIG.
１ ベース ２ ブラケット ４ 円筒部 ５，６ 軸受 ８ シャフト ９ ハブ １２ ロータマグネット １３ ステータ １６ コイル線 １７ 案内孔 １８ 絶縁紙 １９ フレキシブル回路基板 ２０ 端子部 ２１ ランド ２３ 内筒部 ２４ 規制孔 1 Base 2 Bracket 4 Cylindrical part 5, 6 Bearing 8 Shaft 9 Hub 12 Rotor magnet 13 Stator 16 Coil wire 17 Guide hole 18 Insulating paper 19 Flexible circuit board 20 Terminal part 21 Land 23 Inner cylinder part 24 Restriction hole
Claims (2)
ステータと、前記ブラケットの内側に一対の軸受を介し
て回転自在に支持されたシャフトと、該シャフトに固定
されたロータと、該ロータの前記ステータに対向する位
置に配設されたロータマグネットとを備えたスピンドル
モータにおいて、 前記円筒部の基部外周に設けられた前記ブラケットのベ
ースへの装着用の鍔部と、該鍔部に透設された前記ステ
ータからのコイル線の案内孔と、前記鍔部の前記ステー
タとの反対面に装着され前記案内孔から引き出されたコ
イル線が接続されるランドを有するフレキシブル回路基
板と、を有し、 前記回路基板には、実質的に前記案内孔の軸心線上に位
置し内径が前記案内孔の内径より十分小さい規制孔が形
成され、前記案内孔から引き出されたコイル線が前記規
制孔を通して前記ランドに接続されている、ことを特徴
とするスピンドルモータ。1. A stator fixed to the outer periphery of a cylindrical portion of a bracket, a shaft rotatably supported inside the bracket via a pair of bearings, a rotor fixed to the shaft, and a rotor of the rotor. In a spindle motor including a rotor magnet arranged at a position facing the stator, a flange portion for mounting the bracket to a base provided on an outer circumference of a base portion of the cylindrical portion, and a transparent portion provided on the collar portion. A guide hole for the coil wire from the stator, and a flexible circuit board having a land attached to the surface of the collar portion opposite to the stator and connected to the coil wire pulled out from the guide hole. The circuit board is formed with a restriction hole substantially located on the axis of the guide hole and having an inner diameter sufficiently smaller than the inner diameter of the guide hole. Le line is connected to the land through the restriction hole, the spindle motor, characterized in that.
縁紙が設けられ、該絶縁紙の前記案内孔の位置には、該
案内孔の内側に嵌まり込む内筒部が形成され、前記ステ
ータからの前記コイル線は前記内筒部を通して前記案内
孔に挿入されている請求項１記載のスピンドルモータ。2. An insulating paper is provided on a surface of the flange portion on the stator side, and an inner cylindrical portion that fits inside the guide hole is formed at a position of the guide hole of the insulating paper. The spindle motor according to claim 1, wherein the coil wire from the stator is inserted into the guide hole through the inner cylindrical portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24056793A JP3373262B2 (en) | 1993-08-31 | 1993-08-31 | Spindle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24056793A JP3373262B2 (en) | 1993-08-31 | 1993-08-31 | Spindle motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0775275A true JPH0775275A (en) | 1995-03-17 |
| JP3373262B2 JP3373262B2 (en) | 2003-02-04 |
Family
ID=17061448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24056793A Expired - Lifetime JP3373262B2 (en) | 1993-08-31 | 1993-08-31 | Spindle motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3373262B2 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010001856A (en) * | 1999-06-09 | 2001-01-05 | 이형도 | Spindle motor |
| US8363353B2 (en) | 2011-02-07 | 2013-01-29 | Nidec Corporation | Spindle motor, disk drive apparatus, and method of manufacturing spindle motor |
| US8400729B1 (en) | 2011-12-01 | 2013-03-19 | Nidec Corporation | Method of manufacturing motor, motor, and disk drive apparatus |
| US8416524B2 (en) | 2010-04-07 | 2013-04-09 | Nidec Corporation | Spindle motor having connecting mechanism connecting lead wire and circuit board, and storage disk drive having the same |
| US8593756B2 (en) | 2010-12-27 | 2013-11-26 | Nidec Corporation | Spindle motor, and disk drive apparatus including the spindle motor |
| US8593757B2 (en) | 2010-10-19 | 2013-11-26 | Nidec Corporation | Disk drive spindle motor with bearing mechanism fixed to base recessed portion using adhesive and shorter press-fit region |
| US8675305B2 (en) | 2012-04-16 | 2014-03-18 | Nidec Corporation | Base unit, spindle motor, and disk drive apparatus |
| US8687316B2 (en) | 2012-04-13 | 2014-04-01 | Nidec Corporation | Spindle motor and disk drive apparatus |
| US8749915B2 (en) | 2010-11-08 | 2014-06-10 | Nidec Corporation | Motor unit including circuit board arranged on a base portion and disk drive apparatus |
| US8881372B2 (en) | 2011-08-03 | 2014-11-11 | Nidec Corporation | Method of manufacturing a spindle motor |
| US8908324B1 (en) | 2013-06-07 | 2014-12-09 | Nidec Corporation | Spindle motor for use in disk drive apparatus, disk drive apparatus, and method of manufacturing stator |
| US8964329B2 (en) | 2013-06-07 | 2015-02-24 | Nidec Corporation | Spindle motor with a lead wire guide member for use in disk drive apparatus |
| US10291089B2 (en) | 2016-06-07 | 2019-05-14 | Nidec Corporation | Motor and disk drive apparatus |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3447806B2 (en) | 1994-05-27 | 2003-09-16 | 日本電産株式会社 | Spindle motor |
| JP4656491B2 (en) | 2004-12-28 | 2011-03-23 | 日本電産株式会社 | Motor unit, recording disk drive device, and method for sealing through hole formed in housing member |
| JP4343100B2 (en) | 2004-12-28 | 2009-10-14 | 日本電産株式会社 | Motor unit and recording disk drive device |
| JP5218816B2 (en) | 2008-02-06 | 2013-06-26 | 日本電産株式会社 | Motor and recording disk drive device |
| US8324771B2 (en) | 2008-02-06 | 2012-12-04 | Nidec Corporation | Spindle motor and storage disk drive apparatus |
-
1993
- 1993-08-31 JP JP24056793A patent/JP3373262B2/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010001856A (en) * | 1999-06-09 | 2001-01-05 | 이형도 | Spindle motor |
| US8416524B2 (en) | 2010-04-07 | 2013-04-09 | Nidec Corporation | Spindle motor having connecting mechanism connecting lead wire and circuit board, and storage disk drive having the same |
| US8593757B2 (en) | 2010-10-19 | 2013-11-26 | Nidec Corporation | Disk drive spindle motor with bearing mechanism fixed to base recessed portion using adhesive and shorter press-fit region |
| US8749915B2 (en) | 2010-11-08 | 2014-06-10 | Nidec Corporation | Motor unit including circuit board arranged on a base portion and disk drive apparatus |
| US8593756B2 (en) | 2010-12-27 | 2013-11-26 | Nidec Corporation | Spindle motor, and disk drive apparatus including the spindle motor |
| US8363353B2 (en) | 2011-02-07 | 2013-01-29 | Nidec Corporation | Spindle motor, disk drive apparatus, and method of manufacturing spindle motor |
| US8881372B2 (en) | 2011-08-03 | 2014-11-11 | Nidec Corporation | Method of manufacturing a spindle motor |
| US8400729B1 (en) | 2011-12-01 | 2013-03-19 | Nidec Corporation | Method of manufacturing motor, motor, and disk drive apparatus |
| US8687316B2 (en) | 2012-04-13 | 2014-04-01 | Nidec Corporation | Spindle motor and disk drive apparatus |
| US8675305B2 (en) | 2012-04-16 | 2014-03-18 | Nidec Corporation | Base unit, spindle motor, and disk drive apparatus |
| US8908324B1 (en) | 2013-06-07 | 2014-12-09 | Nidec Corporation | Spindle motor for use in disk drive apparatus, disk drive apparatus, and method of manufacturing stator |
| US8964329B2 (en) | 2013-06-07 | 2015-02-24 | Nidec Corporation | Spindle motor with a lead wire guide member for use in disk drive apparatus |
| US10291089B2 (en) | 2016-06-07 | 2019-05-14 | Nidec Corporation | Motor and disk drive apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3373262B2 (en) | 2003-02-04 |
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