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
Japanese (ja)
Other versions
JPH0640457Y2 (en
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/en
Publication of JPH02136460U publication Critical patent/JPH02136460U/ja
Application granted granted Critical
Publication of JPH0640457Y2 publication Critical patent/JPH0640457Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【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。
[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.
JP1989043583U 1989-04-13 1989-04-13 Spindle motor rotor Expired - Lifetime JPH0640457Y2 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63195856A (en) * 1987-02-09 1988-08-12 Hitachi Ltd Turntable device

Patent Citations (1)

* Cited by examiner, † Cited by third party
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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