JPH0185985U - - Google Patents
Info
- Publication number
- JPH0185985U JPH0185985U JP17831587U JP17831587U JPH0185985U JP H0185985 U JPH0185985 U JP H0185985U JP 17831587 U JP17831587 U JP 17831587U JP 17831587 U JP17831587 U JP 17831587U JP H0185985 U JPH0185985 U JP H0185985U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- disk
- magnetic
- motor
- magnetic material
- 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
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は本考案の一実施例のモーターの断面図
、第２図は従来例を示す断面図、第３図は磁気デ
イスクの記録状態を示す平面図、第４図は本考案
を示す断面図である。
２……吸着用磁石保持部、３……軟磁性体、４
……吸着用磁石。
Fig. 1 is a cross-sectional view of a motor according to an embodiment of the present invention, Fig. 2 is a cross-sectional view showing a conventional example, Fig. 3 is a plan view showing the recording state of a magnetic disk, and Fig. 4 is a cross-sectional view showing the present invention. It is a diagram. 2...Adsorption magnet holding part, 3...Soft magnetic material, 4
...Adsorption magnet.
Claims (1)
装着部に有する磁石の磁気力によつて吸着保持し
、デイスクを回転させるモータにおいて、モータ
ーのデイスク装着部は、デイスクを吸着するため
の磁石と該磁石を保持するための凹形状をした非
磁性体と該凹部の側面を覆う軟磁性体とからなり
、凹上部に磁石と弱干の隙間をもつて当接する磁
気デイスクに対し磁石の漏れ磁束は、前記軟磁性
体により吸収されることによつて、磁気デイスク
記録部への漏れ磁束の影響を無くしたことを特徴
とする磁気デイスク回転用モーター。 In a motor that rotates the disk by attracting and holding the center part of a magnetic disk etc. by the magnetic force of a magnet having a disk mounting part on the motor side, the disk mounting part of the motor has a magnet for attracting the disc and the magnet. It consists of a concave-shaped non-magnetic material for holding the concave portion and a soft magnetic material covering the sides of the concave portion, and the leakage magnetic flux of the magnet is A motor for rotating a magnetic disk, characterized in that the influence of leakage magnetic flux on a magnetic disk recording section is eliminated by absorption by the soft magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17831587U JPH0185985U (en) | 1987-11-25 | 1987-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17831587U JPH0185985U (en) | 1987-11-25 | 1987-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185985U true JPH0185985U (en) | 1989-06-07 |
Family
ID=31469938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17831587U Pending JPH0185985U (en) | 1987-11-25 | 1987-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185985U (en) |
-
1987
- 1987-11-25 JP JP17831587U patent/JPH0185985U/ja active Pending