JPH01150473U - - Google Patents
Info
- Publication number
- JPH01150473U JPH01150473U JP4658388U JP4658388U JPH01150473U JP H01150473 U JPH01150473 U JP H01150473U JP 4658388 U JP4658388 U JP 4658388U JP 4658388 U JP4658388 U JP 4658388U JP H01150473 U JPH01150473 U JP H01150473U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- stator
- spindle motor
- cup
- hole
- 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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図は本考案の一実施例に係るスピンドルモ
ータを示す縦断面図、第２図は従来のスピンドル
モータを示す縦断面図である。
１：装置本体、２：軸、３：巻線、４：固定子
、５ａ，５ｂ：軸受、６：永久磁石、７：回転子
、８：孔、９：導電性摺動子、１０：圧縮コイル
バネ。
FIG. 1 is a longitudinal sectional view showing a spindle motor according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view showing a conventional spindle motor. 1: Device body, 2: Shaft, 3: Winding, 4: Stator, 5a, 5b: Bearing, 6: Permanent magnet, 7: Rotor, 8: Hole, 9: Conductive slider, 10: Compression coil spring.
Claims (1)
上記軸外周面に固着された固定子と、上記固定子
の軸方向両側に配置された一対の軸受を介し上記
軸に回転自由に保持されかつ上記固定子に対応す
る内面位置に永久磁石が配置されたカツプ型の回
転子とを備えるスピンドルモータにおいて、 上記軸の上面回転中心部に孔を設け、該孔に圧
縮バネ及び該圧縮バネにより付勢されて上記回転
子の上部内面に接触する導電性摺動子を設けたこ
とを特徴とするスピンドルモータ。[Claims for Utility Model Registration] A shaft fixed perpendicularly to the main body of the device, a stator having windings fixed to the outer peripheral surface of the shaft, and a pair of bearings arranged on both sides of the stator in the axial direction. A spindle motor comprising a cup-shaped rotor rotatably held on the shaft via a cup-shaped rotor and having a permanent magnet disposed at an inner surface position corresponding to the stator, wherein a hole is provided at the center of rotation on the upper surface of the shaft; A spindle motor characterized in that the hole is provided with a compression spring and a conductive slider that is biased by the compression spring and contacts the upper inner surface of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658388U JPH01150473U (en) | 1988-04-06 | 1988-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658388U JPH01150473U (en) | 1988-04-06 | 1988-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01150473U true JPH01150473U (en) | 1989-10-18 |
Family
ID=31272852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4658388U Pending JPH01150473U (en) | 1988-04-06 | 1988-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01150473U (en) |
-
1988
- 1988-04-06 JP JP4658388U patent/JPH01150473U/ja active Pending