JPH0181757U - - Google Patents
Info
- Publication number
- JPH0181757U JPH0181757U JP1987175014U JP17501487U JPH0181757U JP H0181757 U JPH0181757 U JP H0181757U JP 1987175014 U JP1987175014 U JP 1987175014U JP 17501487 U JP17501487 U JP 17501487U JP H0181757 U JPH0181757 U JP H0181757U
- Authority
- JP
- Japan
- Prior art keywords
- rotating member
- bearing surface
- protrusion
- radial bearing
- 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
- 239000000314 lubricant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１Ａ図は本出願に係る考案の第１の実施例を
示す図である。第１Ｂ図はプラグの端面に彫られ
た動圧発生用の溝を示す図である。第２図は第２
の実施例を示す図である。第３図は従来の電磁デ
イスク装置を示す図である。
主要部分の符号の説明、１……ハブ、２……軸
、３……磁気デイスク、４……取付け部材、５…
…基台、６……ステータ、７……ロータ、８……
シール、９……スリーブ、１５，１６……動圧発
生用溝、１７……軸方向プラグ。
FIG. 1A is a diagram showing a first embodiment of the invention according to the present application. FIG. 1B is a diagram showing grooves for generating dynamic pressure carved into the end face of the plug. Figure 2 is the second
It is a figure showing an example of. FIG. 3 is a diagram showing a conventional electromagnetic disk device. Explanation of symbols of main parts, 1...Hub, 2...Axis, 3...Magnetic disk, 4...Mounting member, 5...
...Base, 6...Stator, 7...Rotor, 8...
Seal, 9... Sleeve, 15, 16... Groove for dynamic pressure generation, 17... Axial plug.
Claims (1)
ツプ形状の回転部材はラジアル方向の中央部に軸
方向へ突出して該突部に嵌合する突出部を有し、
該突出部と突部とのいずれか一方は軸状部であつ
て他方は円筒状部であり、該円筒状部の内面に設
けた円筒状のラジアル軸受面は軸状部に設けたラ
ジアル受面と潤滑剤を介して対向し、該ラジアル
受面とラジアル軸受面との少なくとも一方に動圧
発生用の溝を設け、前記軸状部材の端面に設けた
スラスト受面が円筒状部の円筒状穴の底面に設け
たスラスト軸受面と潤滑剤を介して対向し、前記
回転部材に取り付けられたロータが前記静止部材
に取り付けられたステータと半径方向に対向し、
前記ロータの半径方向外方もしくは半径方向外方
の近傍に配設した磁気デイスクを回転部材の外周
面に取付けた磁気デイスク装置。 ２ 前記静止部材と回転部材との間には回転部材
内部と外気を遮断するためのシールが設けられた
実用新案登録請求の範囲第１項に記載の磁気デイ
スク装置。[Claims for Utility Model Registration] 1. The stationary member has a protrusion that protrudes in the axial direction, and the cup-shaped rotating member has a protrusion that protrudes in the axial direction and fits into the protrusion at the center in the radial direction. have,
One of the protrusions and the protrusion is a shaft-shaped part and the other is a cylindrical part, and the cylindrical radial bearing surface provided on the inner surface of the cylindrical part is a radial bearing provided on the shaft-shaped part. A groove for generating dynamic pressure is provided on at least one of the radial bearing surface and the radial bearing surface, and the thrust bearing surface provided on the end surface of the shaft member is a cylindrical portion of the cylindrical portion. A rotor attached to the rotating member faces a thrust bearing surface provided at the bottom of the shaped hole via a lubricant, and a rotor attached to the rotating member radially faces a stator attached to the stationary member,
A magnetic disk device in which a magnetic disk disposed at or near the radially outer side of the rotor is attached to the outer circumferential surface of a rotating member. 2. The magnetic disk device according to claim 1, wherein a seal is provided between the stationary member and the rotating member to isolate the inside of the rotating member from outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175014U JPH0181757U (en) | 1987-11-18 | 1987-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175014U JPH0181757U (en) | 1987-11-18 | 1987-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181757U true JPH0181757U (en) | 1989-05-31 |
Family
ID=31466834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175014U Pending JPH0181757U (en) | 1987-11-18 | 1987-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181757U (en) |
-
1987
- 1987-11-18 JP JP1987175014U patent/JPH0181757U/ja active Pending
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