JPH0443219U - - Google Patents
Info
- Publication number
- JPH0443219U JPH0443219U JP8408490U JP8408490U JPH0443219U JP H0443219 U JPH0443219 U JP H0443219U JP 8408490 U JP8408490 U JP 8408490U JP 8408490 U JP8408490 U JP 8408490U JP H0443219 U JPH0443219 U JP H0443219U
- Authority
- JP
- Japan
- Prior art keywords
- boss
- rotor
- shaft
- tip
- depth
- 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
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図はこの考案の一実施例を示す要部断面図
、第２図は従来技術を示す断面図である。
１……ボス、２……ロータケース、４……シヤ
フト。
FIG. 1 is a sectional view of a main part showing an embodiment of this invention, and FIG. 2 is a sectional view showing a conventional technique. 1...boss, 2...rotor case, 4...shaft.
Claims (1)
固定され、リング状マグネツトが前記ロータケー
スの円筒部分に装着され、シヤフトが前記ロータ
ケースの円板部分の上面側からその先端部が前記
ボスから突出されることなく前記ボスに圧入され
ているＦＧロータマグネツトにおいて、シヤフト
の先端部にテーパが形成されていることを特徴と
するＦＧロータマグネツト。 ２ テーパの角度が５°〜３０°に形成されてい
る請求項１記載のＦＧロータマグネツト。 ３ テーパの深さがボスの深さの1/4〜1/3に形成
されている請求項１記載のＦＧロータマグネツト
。[Claims for Utility Model Registration] 1. A boss is fixed to the center of the lower surface of the disk portion of the rotor case, a ring-shaped magnet is attached to the cylindrical portion of the rotor case, and a shaft is attached to the upper surface of the disk portion of the rotor case. 1. An FG rotor magnet in which the tip of the shaft is press-fitted into the boss without protruding from the boss, characterized in that the tip of the shaft is tapered. 2. The FG rotor magnet according to claim 1, wherein the taper angle is formed at 5° to 30°. 3. The FG rotor magnet according to claim 1, wherein the depth of the taper is 1/4 to 1/3 of the depth of the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8408490U JPH0443219U (en) | 1990-08-10 | 1990-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8408490U JPH0443219U (en) | 1990-08-10 | 1990-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0443219U true JPH0443219U (en) | 1992-04-13 |
Family
ID=31632279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8408490U Pending JPH0443219U (en) | 1990-08-10 | 1990-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013118810A (en) * | 2011-12-01 | 2013-06-13 | Samsung Electro-Mechanics Co Ltd | Spindle motor |
-
1990
- 1990-08-10 JP JP8408490U patent/JPH0443219U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013118810A (en) * | 2011-12-01 | 2013-06-13 | Samsung Electro-Mechanics Co Ltd | Spindle motor |
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