JPH02121634U - - Google Patents

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Publication number
JPH02121634U
JPH02121634U JP3072889U JP3072889U JPH02121634U JP H02121634 U JPH02121634 U JP H02121634U JP 3072889 U JP3072889 U JP 3072889U JP 3072889 U JP3072889 U JP 3072889U JP H02121634 U JPH02121634 U JP H02121634U
Authority
JP
Japan
Prior art keywords
magnetic
coupling
gap
coupling body
magnetic particles
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
JP3072889U
Other languages
Japanese (ja)
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 JP3072889U priority Critical patent/JPH02121634U/ja
Publication of JPH02121634U publication Critical patent/JPH02121634U/ja
Pending legal-status Critical Current

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Description

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

第１図は本考案の一実施例である磁性粒子式電
磁連結装置の連結部の拡大断面図であり、第２図
は従来の磁性粒子式電磁連結装置の断面図である
。 １……ドライブメンバ、７……ドリブンメンバ
、８……磁性粒子、８ａ……四三酸化鉄被膜。尚
図中、同一符号は同一、又は相当部分を示す。 FIG. 1 is an enlarged sectional view of a connecting portion of a magnetic particle type electromagnetic coupling device according to an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional magnetic particle type electromagnetic coupling device. DESCRIPTION OF SYMBOLS 1... Drive member, 7... Driven member, 8... Magnetic particles, 8a... Triiron tetroxide coating. In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁性材料からな第１の連結主体と第２の連結手
体とを空隙をもつて対向させ、前記空隙に磁界を
形成して、前記空隙に介在する磁性粒子を磁化さ
せることにより、前記第１の連結主体と第２の連
結主体とを前記磁性粒子によつて結合する磁性粒
子式電磁連結装置において、前記第１の連結主体
、第２の連結主体の連結面と、前記磁性粒子の表
面との内少なくとも前記磁性粒子の表面に四三酸
化鉄（Ｆｅ３Ｏ４）被膜を形成したことを特徴と
する磁性粒子式電磁連結装置。 The first connecting body and the second connecting body made of a magnetic material are opposed to each other with a gap therebetween, and a magnetic field is formed in the gap to magnetize the magnetic particles present in the gap. In a magnetic particle type electromagnetic coupling device that couples a coupling body and a second coupling body by the magnetic particles, a coupling surface of the first coupling body and a second coupling body, and a surface of the magnetic particle. A magnetic particle type electromagnetic coupling device characterized in that a triiron tetroxide (Fe 3 O 4 ) coating is formed on at least the surface of the magnetic particles.
JP3072889U 1989-03-15 1989-03-15 Pending JPH02121634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3072889U JPH02121634U (en) 1989-03-15 1989-03-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3072889U JPH02121634U (en) 1989-03-15 1989-03-15

Publications (1)

Publication Number Publication Date
JPH02121634U true JPH02121634U (en) 1990-10-03

Family

ID=31256047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3072889U Pending JPH02121634U (en) 1989-03-15 1989-03-15

Country Status (1)

Country Link
JP (1) JPH02121634U (en)

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