JPS61192669U - - Google Patents
Info
- Publication number
- JPS61192669U JPS61192669U JP7483985U JP7483985U JPS61192669U JP S61192669 U JPS61192669 U JP S61192669U JP 7483985 U JP7483985 U JP 7483985U JP 7483985 U JP7483985 U JP 7483985U JP S61192669 U JPS61192669 U JP S61192669U
- Authority
- JP
- Japan
- Prior art keywords
- support member
- rotating shaft
- fixed
- cylindrical portion
- rotor
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
第１図ないし第４図はこの考案の実施例を示す
図である。第１図はスピンドルモータの要部の断
面図、第２図は第１の実施例を示し、第１図の
―線視断面図、第３図は第２の実施例を示し、
第１図の―線視断面図、第４図は第３の実施
例を示し、第１図の―線視断面図である。
１……スピンドルモータ、２……支持部材（ブ
ラケツト）、３……固定子（ステータ）、４……
回転軸、９……空間部、１０……回転子（リング
マグネツト）、１４……ハブ部材（スピンドルハ
ブ）、１８……磁性流体。
1 to 4 are diagrams showing an embodiment of this invention. FIG. 1 is a sectional view of the main parts of a spindle motor, FIG. 2 shows a first embodiment, a sectional view taken along the - line in FIG. 1, and FIG. 3 shows a second embodiment,
1, and FIG. 4 shows a third embodiment, and is a sectional view taken along the line of FIG. 1. 1...Spindle motor, 2...Support member (bracket), 3...Stator (stator), 4...
Rotating shaft, 9... Space portion, 10... Rotor (ring magnet), 14... Hub member (spindle hub), 18... Magnetic fluid.
Claims (1)
、この支持部材の円筒部の外周に固定された固定
子と、上記支持部材の中心軸線上に回転自在に支
持された回転軸と、この回転軸と同一の中心軸線
を有し、この回転軸の一端部に固定され、上記支
持部材の円筒部を囲繞する略円筒状のハブ部材と
、このハブ部材の内側面に固定された円筒状の回
転子とを具備してなるスピンドルモータを有し、
このスピンドルモータによつて磁気デイスクを回
転させる磁気デイスク装置において、上記固定子
と上記回転子との間に磁性流体を介在させたこと
を特徴とする磁気デイスク装置。 a substantially cylindrical support member having a cylindrical portion at one end; a stator fixed to the outer periphery of the cylindrical portion of the support member; a rotating shaft rotatably supported on the central axis of the support member; a substantially cylindrical hub member having the same central axis as the rotating shaft, fixed to one end of the rotating shaft, and surrounding the cylindrical portion of the support member; and a cylindrical hub member fixed to the inner surface of the hub member. a spindle motor comprising a rotor;
A magnetic disk device in which a magnetic disk is rotated by a spindle motor, characterized in that a magnetic fluid is interposed between the stator and the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483985U JPS61192669U (en) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483985U JPS61192669U (en) | 1985-05-20 | 1985-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61192669U true JPS61192669U (en) | 1986-11-29 |
Family
ID=30615503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7483985U Pending JPS61192669U (en) | 1985-05-20 | 1985-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61192669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6469248A (en) * | 1987-09-04 | 1989-03-15 | Hitachi Ltd | Permanent magnet field motor |
| JP2013121275A (en) * | 2011-12-08 | 2013-06-17 | Sinfonia Technology Co Ltd | Linear actuator |
-
1985
- 1985-05-20 JP JP7483985U patent/JPS61192669U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6469248A (en) * | 1987-09-04 | 1989-03-15 | Hitachi Ltd | Permanent magnet field motor |
| JP2013121275A (en) * | 2011-12-08 | 2013-06-17 | Sinfonia Technology Co Ltd | Linear actuator |