JPS6222751U - - Google Patents
Info
- Publication number
- JPS6222751U JPS6222751U JP11464685U JP11464685U JPS6222751U JP S6222751 U JPS6222751 U JP S6222751U JP 11464685 U JP11464685 U JP 11464685U JP 11464685 U JP11464685 U JP 11464685U JP S6222751 U JPS6222751 U JP S6222751U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- rotor magnet
- spindle motor
- clamp structure
- magnet
- 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
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Rotational Drive Of Disk (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Brushless Motors (AREA)
Description
第１図は本考案に係るスピンドルモータのデイ
スククランプ構造を示す半切縦断面図で、第２図
は他の実施例を示す縦断面図、第３図は第２図の
デイスククランプ構造の構成部品の底面図で、第
４図は同構成部品の他の実施例の底面図、第５図
は従来のスピンドルモータのデイスククランプ構
造を示す半切縦断面図で、第６図は他の従来例の
縦断面図である。
１……デイスク、２……ステータ、３……駆動
コイル、４……スピンドル、５……サポートホイ
ル、６……ロータマグネツト、８……磁性体、９
……デイスクテーブル。
FIG. 1 is a half-cut vertical cross-sectional view showing a disk clamp structure of a spindle motor according to the present invention, FIG. 2 is a vertical cross-sectional view showing another embodiment, and FIG. 3 is a component of the disk clamp structure of FIG. 2. FIG. 4 is a bottom view of another embodiment of the same component, FIG. 5 is a half-cut vertical sectional view showing the disk clamp structure of a conventional spindle motor, and FIG. 6 is a bottom view of another example of the conventional spindle motor. FIG. DESCRIPTION OF SYMBOLS 1... Disk, 2... Stator, 3... Drive coil, 4... Spindle, 5... Support foil, 6... Rotor magnet, 8... Magnetic material, 9
...Disk table.
Claims (1)
駆動コイルに対向して回転自在なロータマグネツ
トとから成るデイスクをドライブするスピンドル
モータにおいて、ロータマグネツトをデイスクの
クランプに兼用させたことを特徴とするスピンド
ルモータのデイスククランプ構造。 (2) ロータマグネツトの上面にセツトしたデイ
スクの上面に板状の磁性体を配し、この磁性体と
ロータマグネツトとの吸着力によりデイスクをク
ランプするように構成したことを特徴とする実用
新案登録請求の範囲第１項記載のスピンドルモー
タのデイスククランプ構造。 (3) 回転自在な非磁性体のデイスクテーブルに
載置されたデイスクの上面にロータマグネツト配
置し、このロータマグネツトと磁性体のステータ
との吸着力によりデイスクをデイスクテーブルに
クランプするように構成したことを特徴とする実
用新案登録請求の範囲第１項記載のスピンドルモ
ータのデイスククランプ構造。 (4) ロータマグネツトにクランプ専用の磁石を
設けると共に、デイスクテーブルを磁性体で形成
し、このデイスクテーブルと磁石との吸着力によ
りデイスクをクランプするように構成したことを
特徴とする実用新案登録請求の範囲第１項記載の
スピンドルモータのデイスククランプ構造。[Claims for Utility Model Registration] (1) In a spindle motor that drives a disk, which consists of a drive coil fixed to a stator and a rotor magnet that can freely rotate opposite to this drive coil, the rotor magnet is connected to the disk. A disk clamp structure for a spindle motor that is characterized by being used as a clamp. (2) Practical use characterized in that a plate-shaped magnetic material is arranged on the upper surface of the disk set on the upper surface of the rotor magnet, and the disk is clamped by the attraction force between the magnetic material and the rotor magnet. A disk clamp structure for a spindle motor according to claim 1 of the patent registration claim. (3) A rotor magnet is placed on the top surface of the disk placed on a rotatable non-magnetic disk table, and the disk is clamped to the disk table by the attraction force between the rotor magnet and the magnetic stator. A disk clamp structure for a spindle motor according to claim 1, characterized in that the structure comprises: (4) Registration of a utility model characterized in that the rotor magnet is provided with a magnet exclusively for clamping, the disk table is formed of a magnetic material, and the disk is clamped by the attraction force between the disk table and the magnet. A disk clamp structure for a spindle motor according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11464685U JPS6222751U (en) | 1985-07-26 | 1985-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11464685U JPS6222751U (en) | 1985-07-26 | 1985-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6222751U true JPS6222751U (en) | 1987-02-12 |
Family
ID=30997574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11464685U Pending JPS6222751U (en) | 1985-07-26 | 1985-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6222751U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60207737A (en) * | 1984-03-30 | 1985-10-19 | Seiko Seiki Co Ltd | Spindle motor used in common for magnetic chuck |
| JPH0313896U (en) * | 1989-06-27 | 1991-02-13 |
-
1985
- 1985-07-26 JP JP11464685U patent/JPS6222751U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60207737A (en) * | 1984-03-30 | 1985-10-19 | Seiko Seiki Co Ltd | Spindle motor used in common for magnetic chuck |
| JPH0313896U (en) * | 1989-06-27 | 1991-02-13 |
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