JPH0190272U - - Google Patents
Info
- Publication number
- JPH0190272U JPH0190272U JP18520787U JP18520787U JPH0190272U JP H0190272 U JPH0190272 U JP H0190272U JP 18520787 U JP18520787 U JP 18520787U JP 18520787 U JP18520787 U JP 18520787U JP H0190272 U JPH0190272 U JP H0190272U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- rotating shaft
- bearing
- pole piece
- pole
- 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
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Motor Or Generator Frames (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図は同じく部分拡大図、第３図は従来のスピン
ドルモータを示す断面図である。
尚、各図中同一符号は同一または相当部分を示
し、２は軸受、８は回転軸、９はハブ、１０は磁
気デイスク、２０はハウジング、２２はポールピ
ースＡ、２３は磁石、２５はポールピースＢ、２
６は磁性流体である。
FIG. 1 is a sectional view showing an embodiment of this invention, FIG. 2 is a partially enlarged view of the same, and FIG. 3 is a sectional view showing a conventional spindle motor. In each figure, the same reference numerals indicate the same or equivalent parts, 2 is a bearing, 8 is a rotating shaft, 9 is a hub, 10 is a magnetic disk, 20 is a housing, 22 is a pole piece A, 23 is a magnet, and 25 is a pole. Piece B, 2
6 is a magnetic fluid.
Claims (1)
軸受と、この軸受に対向して上記ハウジング内に
磁石を挾持して設けられた複数のポールピースと
、このポールピースを貫通するとともに、上記軸
受に嵌合された回転軸と、この回転軸と上記ポー
ルピースとの間に設けられた磁性流体と、上記回
転軸に結合され複数の磁気デイスクを有するハブ
とを備え、上記ポールピースを上記ハウジング上
に載置したことを特徴とするスピンドルモータ。 A housing, a bearing provided in the housing, a plurality of pole pieces provided opposite to the bearing with magnets sandwiched in the housing, and penetrating through the pole piece and fitting into the bearing. a rotating shaft, a magnetic fluid provided between the rotating shaft and the pole piece, and a hub coupled to the rotating shaft and having a plurality of magnetic disks, the pole piece being mounted on the housing. A spindle motor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18520787U JPH0190272U (en) | 1987-12-04 | 1987-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18520787U JPH0190272U (en) | 1987-12-04 | 1987-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190272U true JPH0190272U (en) | 1989-06-14 |
Family
ID=31476533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18520787U Pending JPH0190272U (en) | 1987-12-04 | 1987-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190272U (en) |
-
1987
- 1987-12-04 JP JP18520787U patent/JPH0190272U/ja active Pending