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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
Application number
JP4358389U
Other languages
English (en)
Other versions
JPH0640457Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989043583U priority Critical patent/JPH0640457Y2/ja
Publication of JPH02136460U publication Critical patent/JPH02136460U/ja
Application granted granted Critical
Publication of JPH0640457Y2 publication Critical patent/JPH0640457Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Rotational Drive Of Disk (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Description

【図面の簡単な説明】
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。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) ターンテーブルにメデイアをチヤツクする
    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。
JP1989043583U 1989-04-13 1989-04-13 スピンドルモータの回転子 Expired - Lifetime JPH0640457Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989043583U JPH0640457Y2 (ja) 1989-04-13 1989-04-13 スピンドルモータの回転子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989043583U JPH0640457Y2 (ja) 1989-04-13 1989-04-13 スピンドルモータの回転子

Publications (2)

Publication Number Publication Date
JPH02136460U true JPH02136460U (ja) 1990-11-14
JPH0640457Y2 JPH0640457Y2 (ja) 1994-10-19

Family

ID=31556116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989043583U Expired - Lifetime JPH0640457Y2 (ja) 1989-04-13 1989-04-13 スピンドルモータの回転子

Country Status (1)

Country Link
JP (1) JPH0640457Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63195856A (ja) * 1987-02-09 1988-08-12 Hitachi Ltd タ−ンテ−ブル装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63195856A (ja) * 1987-02-09 1988-08-12 Hitachi Ltd タ−ンテ−ブル装置

Also Published As

Publication number Publication date
JPH0640457Y2 (ja) 1994-10-19

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