JPS6251946U - - Google Patents
Info
- Publication number
- JPS6251946U JPS6251946U JP14051885U JP14051885U JPS6251946U JP S6251946 U JPS6251946 U JP S6251946U JP 14051885 U JP14051885 U JP 14051885U JP 14051885 U JP14051885 U JP 14051885U JP S6251946 U JPS6251946 U JP S6251946U
- Authority
- JP
- Japan
- Prior art keywords
- ball bearing
- stepping motor
- rotor
- slope
- radius
- 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.)
- Granted
Links
- 230000036316 preload Effects 0.000 claims 1
Landscapes
- Motor Or Generator Frames (AREA)
Description
第１図は、第３図に示すステツピングモータの
要部拡大断面図である。第２図はＦＤＤのキヤリ
ツジ駆動機構を示す斜視図であり、この考案の一
実施例である軸受構造を備えるステツピングモー
タを使用する。第３図は、そのステツピングモー
タの断面図である。第４図は、従来のステツピン
グモータの一部断面図である。
１０……ステツピングモータ、１２……ロータ
シヤフト、２１……ロータ、２２，２３……ハウ
ジング、２６，２７……ボールベアリング収納空
間、２９……斜面、３１，３８……ボールベアリ
ング、３１ａ……外輪、３２……アール。
FIG. 1 is an enlarged sectional view of essential parts of the stepping motor shown in FIG. 3. FIG. FIG. 2 is a perspective view showing a carriage drive mechanism of an FDD, which uses a stepping motor equipped with a bearing structure, which is an embodiment of this invention. FIG. 3 is a sectional view of the stepping motor. FIG. 4 is a partial sectional view of a conventional stepping motor. DESCRIPTION OF SYMBOLS 10...Stepping motor, 12...Rotor shaft, 21...Rotor, 22, 23...Housing, 26, 27...Ball bearing storage space, 29...Slope, 31, 38...Ball bearing, 31a... ...Outer ring, 32...R.
Claims (1)
ロータを回転自在に保持するとともに、該ロータ
をスラスト方向に付勢して前記ボールベアリング
に予圧を加えてなるステツピングモータにおいて
、ハウジングの前記ボールベアリング収納部に斜
面を形成するとともに、前記ボールベアリングの
外輪の外形状コーナーにアールを形成し、そのア
ールを前記付勢力をもつて前記斜面に押し当てて
なる、ステツピングモータの軸受構造。 In a stepping motor in which a rotor shaft is supported by a ball bearing to rotatably hold the rotor, and the rotor is biased in a thrust direction to apply preload to the ball bearing, the ball bearing storage portion of the housing is provided with a stepping motor. A bearing structure for a stepping motor, wherein a slope is formed, a radius is formed at the outer corner of the outer ring of the ball bearing, and the radius is pressed against the slope with the biasing force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14051885U JPH028531Y2 (en) | 1985-09-13 | 1985-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14051885U JPH028531Y2 (en) | 1985-09-13 | 1985-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6251946U true JPS6251946U (en) | 1987-03-31 |
| JPH028531Y2 JPH028531Y2 (en) | 1990-02-28 |
Family
ID=31047437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14051885U Expired JPH028531Y2 (en) | 1985-09-13 | 1985-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028531Y2 (en) |
-
1985
- 1985-09-13 JP JP14051885U patent/JPH028531Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028531Y2 (en) | 1990-02-28 |