JPH0481238U - - Google Patents

Info

Publication number
JPH0481238U
JPH0481238U JP12223890U JP12223890U JPH0481238U JP H0481238 U JPH0481238 U JP H0481238U JP 12223890 U JP12223890 U JP 12223890U JP 12223890 U JP12223890 U JP 12223890U JP H0481238 U JPH0481238 U JP H0481238U
Authority
JP
Japan
Prior art keywords
turntable
annular groove
spindle motor
back yoke
bent
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
JP12223890U
Other languages
Japanese (ja)
Other versions
JP2519580Y2 (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 JP1990122238U priority Critical patent/JP2519580Y2/en
Publication of JPH0481238U publication Critical patent/JPH0481238U/ja
Application granted granted Critical
Publication of JP2519580Y2 publication Critical patent/JP2519580Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Description

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

第１図は本考案に係るターンテーブルを備えた
スピンドルモータの断面図、第２図は本考案の組
立説明図、第３図は本考案のターンテーブル構造
の組上り図、第４図は従来のターンテーブルを備
えたスピンドルモータの断面図、第５図は第４図
の作用図、第６図は第５図におけるギヤツプＧｄ
とクランプ力との関係を示すグラフである。 １……ターンテーブル、３……環状溝、３ａ…
…内周面、６……バツクヨーク、７……折曲げ部
、９……リングマグネツト、１００……スピンド
ルモータ。 Figure 1 is a sectional view of a spindle motor equipped with a turntable according to the present invention, Figure 2 is an explanatory diagram of assembly of the present invention, Figure 3 is an assembled diagram of the turntable structure of the present invention, and Figure 4 is a conventional 5 is a cross-sectional view of a spindle motor equipped with a turntable, FIG. 5 is an operational view of FIG. 4, and FIG. 6 is a gap Gd in FIG.
It is a graph showing the relationship between and clamping force. 1... Turntable, 3... Annular groove, 3a...
...Inner peripheral surface, 6...Back yoke, 7...Bending portion, 9...Ring magnet, 100...Spindle motor.

Claims (1)

【実用新案登録請求の範囲】 スピンドルモータに軸支されるターンテーブル
に環状溝を刻設し、この環状溝にリングマグネツ
トをバツクヨークを介して取付けてなるターンテ
ーブル構造において、 上記バツクヨークの外周部はスピンドルモータ
の軸方向に折曲げられ、この折曲げ部が上記環状
溝の内周面に圧入されていることを特徴としたタ
ーンテーブル構造。[Scope of Claim for Utility Model Registration] In a turntable structure in which an annular groove is carved in a turntable that is pivotally supported by a spindle motor, and a ring magnet is attached to this annular groove via a back yoke, the outer peripheral part of the back yoke A turntable structure characterized in that the turntable is bent in the axial direction of the spindle motor, and the bent portion is press-fitted into the inner peripheral surface of the annular groove.
JP1990122238U 1990-11-21 1990-11-21 Turntable structure Expired - Lifetime JP2519580Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990122238U JP2519580Y2 (en) 1990-11-21 1990-11-21 Turntable structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990122238U JP2519580Y2 (en) 1990-11-21 1990-11-21 Turntable structure

Publications (2)

Publication Number Publication Date
JPH0481238U true JPH0481238U (en) 1992-07-15
JP2519580Y2 JP2519580Y2 (en) 1996-12-04

Family

ID=31870030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990122238U Expired - Lifetime JP2519580Y2 (en) 1990-11-21 1990-11-21 Turntable structure

Country Status (1)

Country Link
JP (1) JP2519580Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643863U (en) * 1992-11-24 1994-06-10 松下電器産業株式会社 Spindle motor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101801822B1 (en) * 2011-12-23 2017-11-27 주식회사 히타치엘지 데이터 스토리지 코리아 Spindle motor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62167661A (en) * 1986-01-20 1987-07-24 Toshiba Corp Information processor
JPH02121153A (en) * 1988-10-28 1990-05-09 Canon Inc Disc chucking device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62167661A (en) * 1986-01-20 1987-07-24 Toshiba Corp Information processor
JPH02121153A (en) * 1988-10-28 1990-05-09 Canon Inc Disc chucking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643863U (en) * 1992-11-24 1994-06-10 松下電器産業株式会社 Spindle motor

Also Published As

Publication number Publication date
JP2519580Y2 (en) 1996-12-04

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