JPS63118759U - - Google Patents
Info
- Publication number
- JPS63118759U JPS63118759U JP1097187U JP1097187U JPS63118759U JP S63118759 U JPS63118759 U JP S63118759U JP 1097187 U JP1097187 U JP 1097187U JP 1097187 U JP1097187 U JP 1097187U JP S63118759 U JPS63118759 U JP S63118759U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- housing
- disk device
- pole piece
- rotating shaft
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案の一実施例に係る磁気デイスク
装置の要部断面図、第２図は本考案の他の実施例
に係る磁気デイスク装置の要部断面図、第３図は
従来の磁気デイスク装置の要部断面図である。
１：回転軸、２：ハウジング、３：磁性流体シ
ール部、６：マグネツト、７，８：ポールピース
、９：磁性流体。
FIG. 1 is a cross-sectional view of a main part of a magnetic disk device according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of a main part of a magnetic disk device according to another embodiment of the present invention, and FIG. FIG. 2 is a sectional view of a main part of a disk device. 1: Rotating shaft, 2: Housing, 3: Magnetic fluid seal section, 6: Magnet, 7, 8: Pole piece, 9: Magnetic fluid.
Claims (1)
ジングと、該ハウジングの回転軸挿通縁部に設け
たマグネツトのポールピースにて磁気シール用の
磁性流体を該ポールピースと回転軸の間に吸着保
持した磁性流体シール部とを備える磁気デイスク
装置において、 上記ハウジングを、非磁性材で形成し、かつ該
ハウジングに、上記磁性流体シール部を直接取付
けたことを特徴とする磁気デイスク装置。[Scope of Claim for Utility Model Registration] A housing that covers the motor by protruding the rotating shaft of the motor, and a magnetic pole piece provided at the edge of the housing through which the rotating shaft is inserted, and a magnetic fluid for magnetic sealing is applied to the pole piece. A magnetic disk device equipped with a magnetic fluid seal part that is attracted and held between rotating shafts, characterized in that the housing is formed of a non-magnetic material, and the magnetic fluid seal part is directly attached to the housing. magnetic disk device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1097187U JPS63118759U (en) | 1987-01-28 | 1987-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1097187U JPS63118759U (en) | 1987-01-28 | 1987-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63118759U true JPS63118759U (en) | 1988-08-01 |
Family
ID=30797767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1097187U Pending JPS63118759U (en) | 1987-01-28 | 1987-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63118759U (en) |
-
1987
- 1987-01-28 JP JP1097187U patent/JPS63118759U/ja active Pending
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