JPH01109852U - - Google Patents

Info

Publication number
JPH01109852U
JPH01109852U JP1988002016U JP201688U JPH01109852U JP H01109852 U JPH01109852 U JP H01109852U JP 1988002016 U JP1988002016 U JP 1988002016U JP 201688 U JP201688 U JP 201688U JP H01109852 U JPH01109852 U JP H01109852U
Authority
JP
Japan
Prior art keywords
housing
fixed
shaft
outer ring
annular
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
Application number
JP1988002016U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988002016U priority Critical patent/JPH01109852U/ja
Publication of JPH01109852U publication Critical patent/JPH01109852U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/762—Sealings of ball or roller bearings by means of a fluid
    • F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
    • F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の第１実施例の要部断面図、
第２図ａ〜ｃは第１実施例におけるシール部材の
他の態様を示す断面図、第３図および第４図は第
３実施例の要部断面図、第５図は第３実施例の要
部断面図、第６図ａ〜ｃは第３実施例におけるシ
ール部材の他の態様を示す断面図、第７図は従来
の磁気デイスク装置の断面図、第８図は第７図の
要部拡大断面図である。 １……ハウジング、２……シヤフト、３……軸
受、３ａ……内輪、３ｂ……外輪、７……導電性
磁性流体、８……デイスク。

Claims (1)

    【実用新案登録請求の範囲】
  1. 転動体を介して相対回転する内、外輪と、内輪
    を固定したシヤフトと、外輪を固定したハウジン
    グと、環状の磁石の端面に環状のポールピースを
    固着して形成し、かつポールピースと外輪または
    ハウジングとの間に隙間を設けて内輪またはシヤ
    フトに固定した環状のシール部材と、前記隙間に
    磁石の磁力で保持した導電性磁性流体と、前記シ
    ヤフトまたはハウジングに装着したデイスクとを
    有する磁気デイスク装置。
JP1988002016U 1988-01-13 1988-01-13 Pending JPH01109852U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988002016U JPH01109852U (ja) 1988-01-13 1988-01-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988002016U JPH01109852U (ja) 1988-01-13 1988-01-13

Publications (1)

Publication Number Publication Date
JPH01109852U true JPH01109852U (ja) 1989-07-25

Family

ID=31202416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988002016U Pending JPH01109852U (ja) 1988-01-13 1988-01-13

Country Status (1)

Country Link
JP (1) JPH01109852U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03203067A (ja) * 1989-12-28 1991-09-04 Nippon Densan Corp スピンドルモータ
JP2016102571A (ja) * 2014-11-28 2016-06-02 グローブライド株式会社 磁性流体シール付き軸受および該軸受を備える魚釣用リール
JP2017044315A (ja) * 2015-08-28 2017-03-02 グローブライド株式会社 磁性流体シール付き軸受

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03203067A (ja) * 1989-12-28 1991-09-04 Nippon Densan Corp スピンドルモータ
JP2016102571A (ja) * 2014-11-28 2016-06-02 グローブライド株式会社 磁性流体シール付き軸受および該軸受を備える魚釣用リール
JP2017044315A (ja) * 2015-08-28 2017-03-02 グローブライド株式会社 磁性流体シール付き軸受

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