JPS60142856U

JPS60142856U - spindle motor

Info

Publication number: JPS60142856U
Application number: JP3097484U
Authority: JP
Inventors: 光久米川
Original assignee: 東芝テック株式会社
Priority date: 1984-03-03
Filing date: 1984-03-03
Publication date: 1985-09-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来のスピンドルモータの回転軸に取付けたフ
ランジ部材の断面図、第２図は本考案の一実施例を示す
スピンドルモータの縦断面図、第３図は同上横平面図で
ある。′ １０・・・・・・ハウジング、１１・・・・・・軸挿通
孔、１２．１３・・・・・・ボアリング、１５・川・・
固定子、２５・・・・・・回転子、３２・・・・・・回
転軸、３４・・・・・・フランジ部材。FIG. 1 is a sectional view of a flange member attached to a rotating shaft of a conventional spindle motor, FIG. 2 is a vertical sectional view of a spindle motor showing an embodiment of the present invention, and FIG. 3 is a horizontal plan view of the same. '10... Housing, 11... Shaft insertion hole, 12.13... Boring, 15 River...
Stator, 25... Rotor, 32... Rotating shaft, 34... Flange member.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）軸挿通孔を形成しかつこの軸挿通孔の両端部にベ
アリングをそれぞれ設けたハウジングと、このハウジン
グの軸挿通孔に挿通され前記ベアリングに回転自在に指
示された回転軸と、この回転軸に取着された回転子と、
前記ハウジングに固着された固定子とからなり、゛前記
回転軸の先端に磁気記録用メディアを保持するフランジ
部材を回転軸の先端を突出させて圧入固定したことを特
徴とするスピンドルモータ。(1) A housing having a shaft insertion hole formed therein and bearings provided at both ends of the shaft insertion hole, a rotating shaft inserted through the shaft insertion hole of the housing and rotatably directed by the bearing, and the rotation of the housing. a rotor attached to the shaft;
A spindle motor comprising a stator fixed to the housing, and characterized in that a flange member for holding a magnetic recording medium is press-fitted onto the tip of the rotating shaft with the tip of the rotating shaft protruding.

（２）回転軸の基端部にねじ部を形成し、このねじ部に
螺合するねじ部材にて回転子を回転軸に固着するととも
にこのねじ部材の締付力にてフランジ部材と回転子をベ
アリングにそれぞれ圧接してベアリングに予圧を付与し
たことを特徴とする実用新案登録請求の範囲第１項記戦
のスピンドルモータ。(2) A threaded part is formed at the base end of the rotating shaft, and the rotor is fixed to the rotating shaft by a threaded member that is screwed into this threaded part, and the flange member and the rotor are connected to each other by the tightening force of this threaded member. 1. A spindle motor according to claim 1 of claim 1, which is characterized in that a preload is applied to a bearing by press-contacting each of the bearings to the bearing.