JPH0380557U - - Google Patents

Info

Publication number
JPH0380557U
JPH0380557U JP13886389U JP13886389U JPH0380557U JP H0380557 U JPH0380557 U JP H0380557U JP 13886389 U JP13886389 U JP 13886389U JP 13886389 U JP13886389 U JP 13886389U JP H0380557 U JPH0380557 U JP H0380557U
Authority
JP
Japan
Prior art keywords
spindle motor
clamp
rotor
segment magnets
bracket
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
JP13886389U
Other languages
Japanese (ja)
Other versions
JPH079250Y2 (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 JP1989138863U priority Critical patent/JPH079250Y2/en
Publication of JPH0380557U publication Critical patent/JPH0380557U/ja
Application granted granted Critical
Publication of JPH079250Y2 publication Critical patent/JPH079250Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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 drawings]

第１図は、本考案に従うスピンドルモータの第
１の実施例におけるクランプ部を示す平面図。第
２図は、第１図における線Ｘ−Ｏ−Ｘ′による断
面図。第３図は、第１図のスピンドルモータのロ
ータを示す斜視図。第４図は、本考案に従うスピ
ンドルモータの第２の実施例におけるクランプ部
を示す平面図。第５図は、第４図における線Ｚ−
Ｏ−Ｚ′による断面図。第６図は、本考案に従う
スピンドルモータの第３の実施例におけるクラン
プ部を示す平面図。第７図は、第６図における線
Ａ−Ｏ−Ｂによる断面図。第８図は、従来のスピ
ンドルモータにおけるクランプ部を示す平面図。
第９図は、第８図における線Ｙ−Ｏ−Ｙ′による
断面図。 １……シヤフト、４……ステータ、６……ロー
タ、８……クランプマグネツト、８ａ，８ｂ，８
ｃ……セグメントマグネツト、１８……クランプ
部。 FIG. 1 is a plan view showing a clamp part in a first embodiment of a spindle motor according to the present invention. FIG. 2 is a sectional view taken along line X-O-X' in FIG. 1. 3 is a perspective view showing the rotor of the spindle motor of FIG. 1; FIG. FIG. 4 is a plan view showing a clamp part in a second embodiment of the spindle motor according to the present invention. Figure 5 shows the line Z- in Figure 4.
A sectional view taken along O-Z'. FIG. 6 is a plan view showing a clamp part in a third embodiment of the spindle motor according to the present invention. FIG. 7 is a sectional view taken along line A-O-B in FIG. 6. FIG. 8 is a plan view showing a clamp section in a conventional spindle motor.
FIG. 9 is a sectional view taken along line Y-O-Y' in FIG. 8. 1... Shaft, 4... Stator, 6... Rotor, 8... Clamp magnet, 8a, 8b, 8
c... Segment magnet, 18... Clamp part.

Claims (1)

【実用新案登録請求の範囲】 ブラケツトに軸受を介して回転自在に支承され
るロータと、前記ブラケツトに固定されたステー
タとを具備し、前記ロータにデイスクを磁気的に
吸引保持するクランプマグネツトが設けられてい
るスピンドルモータにおいて、 前記クランプマグネツトは、複数個のセグメン
トマグネツトから構成され、前記複数個のセグメ
ントマグネツトの各々の少なくとも一部が相互に
接触することなく前記クランプ部に埋め込まれた
ことを、特徴とするスピンドルモータ。[Claims for Utility Model Registration] A rotor rotatably supported by a bracket via a bearing, a stator fixed to the bracket, and a clamp magnet that magnetically attracts and holds a disk to the rotor. In the spindle motor provided, the clamp magnet is composed of a plurality of segment magnets, and at least a portion of each of the plurality of segment magnets is embedded in the clamp portion without contacting each other. The spindle motor is characterized by:
JP1989138863U 1989-11-30 1989-11-30 Spindle motor Expired - Fee Related JPH079250Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989138863U JPH079250Y2 (en) 1989-11-30 1989-11-30 Spindle motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989138863U JPH079250Y2 (en) 1989-11-30 1989-11-30 Spindle motor

Publications (2)

Publication Number Publication Date
JPH0380557U true JPH0380557U (en) 1991-08-19
JPH079250Y2 JPH079250Y2 (en) 1995-03-06

Family

ID=31685940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989138863U Expired - Fee Related JPH079250Y2 (en) 1989-11-30 1989-11-30 Spindle motor

Country Status (1)

Country Link
JP (1) JPH079250Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5974564U (en) * 1982-11-12 1984-05-21 株式会社日立製作所 disk drive
JPS6396640U (en) * 1986-12-06 1988-06-22
JPS6423742U (en) * 1987-07-29 1989-02-08

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5974564U (en) * 1982-11-12 1984-05-21 株式会社日立製作所 disk drive
JPS6396640U (en) * 1986-12-06 1988-06-22
JPS6423742U (en) * 1987-07-29 1989-02-08

Also Published As

Publication number Publication date
JPH079250Y2 (en) 1995-03-06

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees