JPH0354364U - - Google Patents
Info
- Publication number
- JPH0354364U JPH0354364U JP11540989U JP11540989U JPH0354364U JP H0354364 U JPH0354364 U JP H0354364U JP 11540989 U JP11540989 U JP 11540989U JP 11540989 U JP11540989 U JP 11540989U JP H0354364 U JPH0354364 U JP H0354364U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- fixed
- inner circumferential
- circumferential surface
- plate
- 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
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図は本考案の実施例を示す断面図、第２図
は要部拡大断面図である。
２……シヤフト、４……ロータ、１１……ラビ
リンス固定盤、１２……ラビリンス回転盤、１４
……内周面、Ａ……被嵌合部材。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of the main part. 2...Shaft, 4...Rotor, 11...Labyrinth fixed plate, 12...Labyrinth rotating plate, 14
...Inner peripheral surface, A...Member to be fitted.
Claims (1)
条部を有するラビリンス固定盤とラビリンス回転
盤を備えると共に、該固定盤をシヤフトに固着し
、該回転盤をロータの開口端内周面に嵌合固着し
たスピンドルモータに於て、 上記回転盤を上記ロータの開口端内周面に圧入
して固着し、かつ、該ロータの一部を構成すると
共に上記内周面を有する被嵌合部材と上記回転盤
を、同一熱膨張係数の材質として、接着剤を省略
したことを特徴とするスピンドルモータ。[Claims for Utility Model Registration] A labyrinth fixed plate and a labyrinth rotary plate each having concentric concave and convex grooves that engage with each other at minute intervals are provided, the fixed plate is fixed to a shaft, and the rotary plate is attached to a rotor. In the spindle motor which is fitted and fixed to the inner circumferential surface of the open end of the rotor, the rotary disk is press-fitted and fixed to the inner circumferential surface of the open end of the rotor, and forms part of the rotor and the inner circumferential surface of the rotor. A spindle motor characterized in that a mating member having a surface and the rotary disk are made of materials having the same coefficient of thermal expansion, and an adhesive is omitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11540989U JPH0354364U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11540989U JPH0354364U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354364U true JPH0354364U (en) | 1991-05-27 |
Family
ID=31663738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11540989U Pending JPH0354364U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354364U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359757A (en) * | 1986-08-27 | 1988-03-15 | Sankyo Seiki Mfg Co Ltd | Disk drive motor |
-
1989
- 1989-09-29 JP JP11540989U patent/JPH0354364U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359757A (en) * | 1986-08-27 | 1988-03-15 | Sankyo Seiki Mfg Co Ltd | Disk drive motor |