JPH0190269U - - Google Patents
Info
- Publication number
- JPH0190269U JPH0190269U JP18520487U JP18520487U JPH0190269U JP H0190269 U JPH0190269 U JP H0190269U JP 18520487 U JP18520487 U JP 18520487U JP 18520487 U JP18520487 U JP 18520487U JP H0190269 U JPH0190269 U JP H0190269U
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (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、２４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, and FIG. 2 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, 24 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、上記ポールピースの先端を折曲し上記
ハウジング外周側壁に嵌着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 tip of the pole piece being bent. A spindle motor fitted to the outer peripheral side wall of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18520487U JPH0190269U (en) | 1987-12-04 | 1987-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18520487U JPH0190269U (en) | 1987-12-04 | 1987-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190269U true JPH0190269U (en) | 1989-06-14 |
Family
ID=31476530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18520487U Pending JPH0190269U (en) | 1987-12-04 | 1987-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190269U (en) |
-
1987
- 1987-12-04 JP JP18520487U patent/JPH0190269U/ja active Pending