JPS6435510U - - Google Patents
Info
- Publication number
- JPS6435510U JPS6435510U JP12858187U JP12858187U JPS6435510U JP S6435510 U JPS6435510 U JP S6435510U JP 12858187 U JP12858187 U JP 12858187U JP 12858187 U JP12858187 U JP 12858187U JP S6435510 U JPS6435510 U JP S6435510U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- fixed
- stator
- rotor
- drive motor
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係るビデオシリンダの駆動モ
ータの一実施例を示す縦断面図、第２図は本実施
例の作用を示す模式図、第３図及び第５図はそれ
ぞれ従来の駆動モータを示す縦断面図、第４図及
び第６図はそれぞれ第３図及び第５図に示す従来
例の作用を示す模式図である。
１……下部シリンダ、４……上部シリンダ、５
……磁気ヘツド、１４……駆動モータ、１５……
軸、１６……動圧軸受、２０……ヨーク、２３…
…ステータコイル（固定子）、２４……ロータマ
グネツト（回転子）。
FIG. 1 is a vertical cross-sectional view showing an embodiment of a video cylinder drive motor according to the present invention, FIG. 2 is a schematic diagram showing the operation of this embodiment, and FIGS. 3 and 5 are respectively conventional drive motors. FIGS. 4 and 6 are schematic diagrams showing the operation of the conventional example shown in FIGS. 3 and 5, respectively. 1...Lower cylinder, 4...Upper cylinder, 5
... Magnetic head, 14 ... Drive motor, 15 ...
Shaft, 16...Dynamic pressure bearing, 20...Yoke, 23...
...Stator coil (stator), 24...Rotor magnet (rotor).
Claims (1)
受を介して回転自在に支持され、かつ磁気ヘツド
が搭載された上部シリンダを回転駆動するビデオ
シリンダの駆動モータにおいて、該駆動モータの
固定子を前記下部シリンダに固定し、回転子を前
記固定子の外周に対向して前記上部シリンダに同
心状に固定するとともに、前記固定子及び回転子
の対向面を一定の間隙を介して軸方向に対し傾斜
して形成したことを特徴とするビデオシリンダの
駆動モータ。 In a video cylinder drive motor that is rotatably supported via a hydrodynamic bearing on a shaft concentrically fixed to a lower cylinder and that rotationally drives an upper cylinder in which a magnetic head is mounted, the stator of the drive motor is A rotor is fixed to the lower cylinder, and a rotor is fixed concentrically to the upper cylinder facing the outer periphery of the stator, and the opposing surfaces of the stator and rotor are fixed in the axial direction with a certain gap between them. A drive motor for a video cylinder, characterized in that it is formed in an inclined manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12858187U JPS6435510U (en) | 1987-08-26 | 1987-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12858187U JPS6435510U (en) | 1987-08-26 | 1987-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6435510U true JPS6435510U (en) | 1989-03-03 |
Family
ID=31382056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12858187U Pending JPS6435510U (en) | 1987-08-26 | 1987-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6435510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108496105A (en) * | 2016-02-02 | 2018-09-04 | 索尼公司 | Optical device driving equipment, Interchangeable lens and imaging device |
-
1987
- 1987-08-26 JP JP12858187U patent/JPS6435510U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108496105A (en) * | 2016-02-02 | 2018-09-04 | 索尼公司 | Optical device driving equipment, Interchangeable lens and imaging device |
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