JPH02104763U - - Google Patents
Info
- Publication number
- JPH02104763U JPH02104763U JP1292789U JP1292789U JPH02104763U JP H02104763 U JPH02104763 U JP H02104763U JP 1292789 U JP1292789 U JP 1292789U JP 1292789 U JP1292789 U JP 1292789U JP H02104763 U JPH02104763 U JP H02104763U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- magnet pieces
- rotor cover
- magnet
- cover
- 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
- 238000000465 moulding Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Rotational Drive Of Disk (AREA)
Description
図面は本考案の一実施例を示したものであつて
、第１図はモータ全体の中央縦断面図、第２図は
ロータカバーの下面側を示した斜視図である。
１……デイスク駆動モータ、３……ロータマグ
ネツト、４……ロータカバー、４ａ……外周円筒
部、１５……回転検出器、１６……マグネツト片
、１７……センサー、Ｍ……磁路である。
The drawings show an embodiment of the present invention, in which FIG. 1 is a central vertical sectional view of the entire motor, and FIG. 2 is a perspective view showing the lower surface side of the rotor cover. DESCRIPTION OF SYMBOLS 1... Disk drive motor, 3... Rotor magnet, 4... Rotor cover, 4a... Outer cylindrical part, 15... Rotation detector, 16... Magnet piece, 17... Sensor, M... Magnetic path It is.
Claims (1)
マグネツトと、ロータカバーの外側に回転方向に
間隔を隔てて配置された複数のマグネツト片とを
有し、これらロータマグネツトと複数のマグネツ
ト片とを上記ロータカバーに合成樹脂にて一体に
アウトサート成形して設け、上記複数のマグネツ
ト片をセンサーで検出するように構成したモータ
の回転検出器。 It has a rotor magnet arranged in an annular shape inside the rotor cover, and a plurality of magnet pieces arranged at intervals in the rotational direction outside the rotor cover, and these rotor magnets and the plurality of magnet pieces are connected to each other. A rotation detector for a motor, which is provided on the rotor cover by integrally outsert-molding synthetic resin, and is configured to detect the plurality of magnet pieces with a sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1292789U JPH02104763U (en) | 1989-02-06 | 1989-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1292789U JPH02104763U (en) | 1989-02-06 | 1989-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02104763U true JPH02104763U (en) | 1990-08-21 |
Family
ID=31222801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1292789U Pending JPH02104763U (en) | 1989-02-06 | 1989-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02104763U (en) |
-
1989
- 1989-02-06 JP JP1292789U patent/JPH02104763U/ja active Pending