JPH02136460U - - Google Patents
Info
- Publication number
- JPH02136460U JPH02136460U JP4358389U JP4358389U JPH02136460U JP H02136460 U JPH02136460 U JP H02136460U JP 4358389 U JP4358389 U JP 4358389U JP 4358389 U JP4358389 U JP 4358389U JP H02136460 U JPH02136460 U JP H02136460U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- rotor
- spindle motor
- turntable
- chucking
- 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
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Rotational Drive Of Disk (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
第1図は従来の光磁気デイスク駆動用スピンド
ルモータの要部断面図、第2図は本考案の同要部
断面図、第3図は本考案の第2の実施例の要部断
面図である。
44……ターンテーブル、6……界磁マグネツ
ト。
Fig. 1 is a sectional view of the main part of a conventional spindle motor for driving a magneto-optical disk, Fig. 2 is a sectional view of the main part of the present invention, and Fig. 3 is a sectional view of the main part of a second embodiment of the present invention. be. 44...turntable, 6...field magnet.
Claims (1)
手段としてマグネツトの磁力を用いてなるスピン
ドルモータの回転子において、ターンテーブル自
体をマグネツトで形成したことを特徴とするスピ
ンドルモータの回転子。 (2) マグネツトがプラスチツク磁石である実用
新案登録請求の範囲第1項記載のスピンドルモー
タの回転子。[Claims for Utility Model Registration] (1) A rotor for a spindle motor that uses the magnetic force of a magnet as a means for chucking a medium to a turntable, wherein the turntable itself is made of a magnet. rotor. (2) The rotor of a spindle motor according to claim 1, wherein the magnet is a plastic magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989043583U JPH0640457Y2 (en) | 1989-04-13 | 1989-04-13 | Spindle motor rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989043583U JPH0640457Y2 (en) | 1989-04-13 | 1989-04-13 | Spindle motor rotor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02136460U true JPH02136460U (en) | 1990-11-14 |
JPH0640457Y2 JPH0640457Y2 (en) | 1994-10-19 |
Family
ID=31556116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989043583U Expired - Lifetime JPH0640457Y2 (en) | 1989-04-13 | 1989-04-13 | Spindle motor rotor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0640457Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63195856A (en) * | 1987-02-09 | 1988-08-12 | Hitachi Ltd | Turntable device |
-
1989
- 1989-04-13 JP JP1989043583U patent/JPH0640457Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63195856A (en) * | 1987-02-09 | 1988-08-12 | Hitachi Ltd | Turntable device |
Also Published As
Publication number | Publication date |
---|---|
JPH0640457Y2 (en) | 1994-10-19 |
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