JPH035258U - - Google Patents
Info
- Publication number
- JPH035258U JPH035258U JP6601089U JP6601089U JPH035258U JP H035258 U JPH035258 U JP H035258U JP 6601089 U JP6601089 U JP 6601089U JP 6601089 U JP6601089 U JP 6601089U JP H035258 U JPH035258 U JP H035258U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- motor
- flanges
- coefficient
- bearing
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Moving Of Heads (AREA)
Description
第1図は本考案の磁気デイスク装置の一実施例
を示す平面図、第2図aおよびbは第1図のステ
ツピングモータを部分的に断面で示した分解平面
図およびX−X断面図である。
1……スピンドル、2……磁気デイスク、3…
…磁気ヘツト、4……ジンバルスプリング、5…
…キヤリジベース、6……スチールバンド、7…
…プーリー、8……ステツピングモータ、9……
フレーム、81……回転軸、82……フロントフ
ランジ、83……ボールベアリング、84……ス
テータ、85……コイル、86……マグネツト、
87……リアフランジ、88……ボールベアリン
グ、89……Oリング、90……スプリング。
FIG. 1 is a plan view showing an embodiment of the magnetic disk device of the present invention, and FIGS. 2 a and b are an exploded plan view and a XX sectional view showing the stepping motor of FIG. 1 partially in section. It is. 1...Spindle, 2...Magnetic disk, 3...
...Magnetic head, 4...Gimbal spring, 5...
...Carriage base, 6...Steel band, 7...
...Pulley, 8...Stepping motor, 9...
Frame, 81... Rotating shaft, 82... Front flange, 83... Ball bearing, 84... Stator, 85... Coil, 86... Magnet,
87...Rear flange, 88...Ball bearing, 89...O ring, 90...Spring.
Claims (1)
該主軸に取り付けられた少なくとも一枚の磁気デ
イスクと、少なくとも一個の磁気ヘツドと、該磁
気ヘツドを前記磁気デイスクの所定のトラツク上
に位置決めする位置決め装置と、該位置決め装置
を駆動するステツピングモータとを備える磁気デ
イスク装置において、前記ステツピングモータは
回転軸と該回転軸を保持する2個のフランジとを
備え、前記2個のフランジのうち出力側のフラン
ジは軸受と等価な熱膨張係数を持つ素材を用いて
形成され、他方のフランジは軸受と異なる熱膨張
係数を持つ素材を用いて形成されたことを特徴と
する磁気デイスク装置。 a motor; a main shaft rotated by the motor;
At least one magnetic disk attached to the main shaft, at least one magnetic head, a positioning device for positioning the magnetic head on a predetermined track of the magnetic disk, and a stepping motor for driving the positioning device. In the magnetic disk device, the stepping motor includes a rotating shaft and two flanges that hold the rotating shaft, and the output side flange of the two flanges has a coefficient of thermal expansion equivalent to that of the bearing. A magnetic disk device characterized in that the other flange is formed using a material having a coefficient of thermal expansion different from that of the bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6601089U JPH035258U (en) | 1989-06-05 | 1989-06-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6601089U JPH035258U (en) | 1989-06-05 | 1989-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH035258U true JPH035258U (en) | 1991-01-18 |
Family
ID=31598357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6601089U Pending JPH035258U (en) | 1989-06-05 | 1989-06-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH035258U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54136775U (en) * | 1978-03-14 | 1979-09-21 | ||
JPS59181508U (en) * | 1983-05-20 | 1984-12-04 | 尾関 秀太郎 | Lantern with battery candle with remote switch |
JPH0241306U (en) * | 1988-09-12 | 1990-03-22 | ||
JP2010268971A (en) * | 2009-05-21 | 2010-12-02 | Nittcho Yamato:Kk | Universal hair tapering razor and universal hair tapering method |
-
1989
- 1989-06-05 JP JP6601089U patent/JPH035258U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54136775U (en) * | 1978-03-14 | 1979-09-21 | ||
JPS59181508U (en) * | 1983-05-20 | 1984-12-04 | 尾関 秀太郎 | Lantern with battery candle with remote switch |
JPH0241306U (en) * | 1988-09-12 | 1990-03-22 | ||
JP2010268971A (en) * | 2009-05-21 | 2010-12-02 | Nittcho Yamato:Kk | Universal hair tapering razor and universal hair tapering method |