JPS6448748U - - Google Patents
Info
- Publication number
- JPS6448748U JPS6448748U JP14426387U JP14426387U JPS6448748U JP S6448748 U JPS6448748 U JP S6448748U JP 14426387 U JP14426387 U JP 14426387U JP 14426387 U JP14426387 U JP 14426387U JP S6448748 U JPS6448748 U JP S6448748U
- Authority
- JP
- Japan
- Prior art keywords
- ball bearing
- magnetic disk
- disk device
- cylindrical part
- bearing structure
- 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
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案の一実施例に係るスピンドルモ
ータの軸受部を示す断面部分図、第２図は従来の
スピンドルモータの軸受部を示す断面部分図であ
る。
１：モータベース、１ａ：円筒状壁面、１ｂ：
内面、１ｃ：外面、２：玉軸受、２ａ：内輪、２
ｂ：外輪、３：玉軸受、３ａ：内輪、３ｂ：外輪
、４：ハブ、５：ロータヨーク、６：余圧バネ、
７：カラー、８：ネジ。
FIG. 1 is a partial cross-sectional view showing a bearing portion of a spindle motor according to an embodiment of the present invention, and FIG. 2 is a partial cross-sectional view showing a bearing portion of a conventional spindle motor. 1: Motor base, 1a: Cylindrical wall surface, 1b:
Inner surface, 1c: Outer surface, 2: Ball bearing, 2a: Inner ring, 2
b: Outer ring, 3: Ball bearing, 3a: Inner ring, 3b: Outer ring, 4: Hub, 5: Rotor yoke, 6: Extra pressure spring,
7: Collar, 8: Screw.
Claims (1)
びロータヨークを連結する磁気デイスク装置のス
ピンドルモータ玉軸受構造において、上記モータ
ベースの円筒部内外にそれぞれ径の異る２個の玉
軸受を、軸方向で高さが重なり合うように配置し
たことを特徴とする磁気デイスク装置のスピンド
ルモータ玉軸受構造。 In a spindle motor ball bearing structure for a magnetic disk device that connects a motor base with a cylindrical part formed at the center, a hub, and a rotor yoke, two ball bearings with different diameters are installed inside and outside the cylindrical part of the motor base in the axial direction. A spindle motor ball bearing structure for a magnetic disk device, characterized in that the bearings are arranged so that their heights overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14426387U JPS6448748U (en) | 1987-09-21 | 1987-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14426387U JPS6448748U (en) | 1987-09-21 | 1987-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6448748U true JPS6448748U (en) | 1989-03-27 |
Family
ID=31411816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14426387U Pending JPS6448748U (en) | 1987-09-21 | 1987-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6448748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0495609A (en) * | 1990-08-11 | 1992-03-27 | Teac Corp | Structure of bearing of spindle shaft |
| WO1996029521A1 (en) * | 1995-03-17 | 1996-09-26 | Hitachi, Ltd. | Bearing assembly, spindle motor and actuator using the same bearing assembly, and magnetic disk device |
-
1987
- 1987-09-21 JP JP14426387U patent/JPS6448748U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0495609A (en) * | 1990-08-11 | 1992-03-27 | Teac Corp | Structure of bearing of spindle shaft |
| WO1996029521A1 (en) * | 1995-03-17 | 1996-09-26 | Hitachi, Ltd. | Bearing assembly, spindle motor and actuator using the same bearing assembly, and magnetic disk device |