JPH0439861U - - Google Patents
Info
- Publication number
- JPH0439861U JPH0439861U JP7871490U JP7871490U JPH0439861U JP H0439861 U JPH0439861 U JP H0439861U JP 7871490 U JP7871490 U JP 7871490U JP 7871490 U JP7871490 U JP 7871490U JP H0439861 U JPH0439861 U JP H0439861U
- Authority
- JP
- Japan
- Prior art keywords
- side member
- rotating
- disk
- magnetic disk
- attached
- 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
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011553 magnetic fluid Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図、第２図、第３図、第４図はこの考案の
シール装置の第１、第２、第３、第４の各実施例
を示す断面図、第５図は従来のシール装置を使用
した磁気デイスク装置の平面図、第６図は第５図
の側面断面図、第７図および第８図はそれぞれ従
来のシール装置を示す断面図である。
１……基台、３……磁気デイスク、１５……ベ
アリング、１６……スピンドル（デイスク回転軸
）、１７，４４，４９……ハブ（回転側部材）、
３０，３８……磁性流体シール、３１，３９，４
６，５１……ブラケツト（基台側）。
1, 2, 3, and 4 are sectional views showing the first, second, third, and fourth embodiments of the sealing device of this invention, and FIG. 5 is a conventional sealing device. 6 is a side sectional view of FIG. 5, and FIGS. 7 and 8 are sectional views showing conventional sealing devices, respectively. 1...Base, 3...Magnetic disk, 15...Bearing, 16...Spindle (disc rotation axis), 17, 44, 49...Hub (rotation side member),
30, 38...Magnetic fluid seal, 31, 39, 4
6, 51... Bracket (base side).
Claims (1)
して回転可能に設けられ、前記デイスク回転軸に
回動側部材が固定されてこの回動側部材に磁気デ
イスクが取付られ、前記回動側部材の外周部と前
記基台側との間に、磁性流体シールを設けたこと
を特徴とする磁気デイスク回転軸部のシール機構
。 A disk rotating shaft is rotatably provided on the base side via a bearing, a rotating side member is fixed to the disk rotating shaft, a magnetic disk is attached to this rotating side member, and a magnetic disk is attached to the rotating side member. 1. A sealing mechanism for a magnetic disk rotation shaft, characterized in that a magnetic fluid seal is provided between an outer peripheral portion and the base side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7871490U JPH0439861U (en) | 1990-07-26 | 1990-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7871490U JPH0439861U (en) | 1990-07-26 | 1990-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439861U true JPH0439861U (en) | 1992-04-03 |
Family
ID=31622228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7871490U Pending JPH0439861U (en) | 1990-07-26 | 1990-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439861U (en) |
-
1990
- 1990-07-26 JP JP7871490U patent/JPH0439861U/ja active Pending