JPS6372370U - - Google Patents

Info

Publication number
JPS6372370U
JPS6372370U JP16580786U JP16580786U JPS6372370U JP S6372370 U JPS6372370 U JP S6372370U JP 16580786 U JP16580786 U JP 16580786U JP 16580786 U JP16580786 U JP 16580786U JP S6372370 U JPS6372370 U JP S6372370U
Authority
JP
Japan
Prior art keywords
holder
yokes
held
shaft
insertion hole
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.)
Granted
Application number
JP16580786U
Other languages
Japanese (ja)
Other versions
JPH0433494Y2 (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 JP1986165807U priority Critical patent/JPH0433494Y2/ja
Publication of JPS6372370U publication Critical patent/JPS6372370U/ja
Application granted granted Critical
Publication of JPH0433494Y2 publication Critical patent/JPH0433494Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図から第３図は本考案の実施例が示され、
第１図はシール機構をハードデイスク用モータに
組み込んだ断面側面図、第２図は同シール機構の
要部拡大断面側面図、第３図はシール機構の変形
例断面側面図、第４図は従来例のシール機構をハ
ードデイスクのモータに組み込んだ断面側面図、
第５図は同シール機構の要部拡大断面側面図であ
る。 ２……ホルダー、５……軸、６，７……ヨーク
、６ａ，７ａ……挿通孔、８……シール機構、１
０……マグネツト、１１……磁性流体。 1 to 3 show embodiments of the present invention,
Fig. 1 is a cross-sectional side view of a seal mechanism incorporated into a hard disk motor, Fig. 2 is an enlarged cross-sectional side view of the main parts of the seal mechanism, Fig. 3 is a cross-sectional side view of a modified example of the seal mechanism, and Fig. 4 is a conventional one. A cross-sectional side view of the example sealing mechanism incorporated into a hard disk motor.
FIG. 5 is an enlarged cross-sectional side view of the main part of the seal mechanism. 2... Holder, 5... Shaft, 6, 7... Yoke, 6a, 7a... Insertion hole, 8... Seal mechanism, 1
0...Magnet, 11...Magnetic fluid.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端をホルダーに保持した２枚のヨークに軸を
挿通するための挿通孔を形成すると共に、上記２
枚のヨーク間にマグネツトを挾持し、上記挿通孔
の内周面と上記軸との間に磁性流体を介在させた
シール機構において、上記ホルダーを磁性体で形
成すると共に、上記２枚のヨークのうち少なくと
も一方と上記ホルダー間に磁気抵抗手段を設けて
なるシール機構。 In addition to forming an insertion hole for inserting the shaft into two yokes whose one end is held in a holder,
In a sealing mechanism in which a magnet is held between two yokes and a magnetic fluid is interposed between the inner circumferential surface of the insertion hole and the shaft, the holder is formed of a magnetic material and the two yokes are held together. A sealing mechanism comprising magnetic resistance means between at least one of them and the holder.
JP1986165807U 1986-10-30 1986-10-30 Expired JPH0433494Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986165807U JPH0433494Y2 (en) 1986-10-30 1986-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986165807U JPH0433494Y2 (en) 1986-10-30 1986-10-30

Publications (2)

Publication Number Publication Date
JPS6372370U true JPS6372370U (en) 1988-05-14
JPH0433494Y2 JPH0433494Y2 (en) 1992-08-11

Family

ID=31096185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986165807U Expired JPH0433494Y2 (en) 1986-10-30 1986-10-30

Country Status (1)

Country Link
JP (1) JPH0433494Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53147360U (en) * 1977-04-27 1978-11-20
JPS6144067U (en) * 1984-08-27 1986-03-24 株式会社東芝 Magnetic seal device for rotating shaft

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761520A (en) * 1980-09-09 1982-04-14 Toshiba Corp Sticking of protecting film on sensitized paper

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53147360U (en) * 1977-04-27 1978-11-20
JPS6144067U (en) * 1984-08-27 1986-03-24 株式会社東芝 Magnetic seal device for rotating shaft

Also Published As

Publication number Publication date
JPH0433494Y2 (en) 1992-08-11

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