JPS59185742U - Buck tension mechanism - Google Patents

Buck tension mechanism

Info

Publication number
JPS59185742U
JPS59185742U JP7902283U JP7902283U JPS59185742U JP S59185742 U JPS59185742 U JP S59185742U JP 7902283 U JP7902283 U JP 7902283U JP 7902283 U JP7902283 U JP 7902283U JP S59185742 U JPS59185742 U JP S59185742U
Authority
JP
Japan
Prior art keywords
tension mechanism
magnet
back tension
buck
motor
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
JP7902283U
Other languages
Japanese (ja)
Inventor
園田　芳浩
伸一 大橋
市川　尚
Original Assignee
株式会社日立製作所
日立ビデオエンジニアリング株式会社
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 by 株式会社日立製作所, 日立ビデオエンジニアリング株式会社 filed Critical 株式会社日立製作所
Priority to JP7902283U priority Critical patent/JPS59185742U/en
Publication of JPS59185742U publication Critical patent/JPS59185742U/en
Pending legal-status Critical Current

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  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は、従来のテープレコーダのパックテンションの
与え方を示す正面図、第２図は、渦電流を利用してバッ
クテンションを与える場合の本考案の一実施例の側面図
、第３図は第２図のマグネットの斜視図、第４図は本考
案の他の実施例の側面図である。 １４・・・マグネット、１５・・・非磁性導体円板、１
８・・・ロータマグネット、１９・・・固定子コイル。Fig. 1 is a front view showing how to apply pack tension in a conventional tape recorder, Fig. 2 is a side view of an embodiment of the present invention in which back tension is applied using eddy current, and Fig. 3. 2 is a perspective view of the magnet shown in FIG. 2, and FIG. 4 is a side view of another embodiment of the present invention. 14... Magnet, 15... Nonmagnetic conductor disk, 1
8... Rotor magnet, 19... Stator coil.

Claims (1)

【実用新案登録請求の範囲】 ゛（１）モータ、該モータによって回転させられるマグ
ネット、該マグネットと予め定められた空隙を介して対
向させられた電気導体板、および該電気導体板にシャフ
トを介して固着されたリール台を具備したことを特徴と
するバックテンション機構。 （２）前記マグネットが前記モータのロータマグネット
と兼用されていることを特徴とする前記実用新案登録請
求の範囲第１項記載のバックテンション機構。 （３）前記電気導体板が非磁性導体円板によって形成さ
れていることを特徴とする前記実用新案登録請求の範囲
第１項又は第２項記載のバックテンション機構！[Claims for Utility Model Registration] (1) A motor, a magnet rotated by the motor, an electric conductor plate opposed to the magnet with a predetermined gap in between, and a shaft connected to the electric conductor plate. A back tension mechanism characterized by having a reel stand fixed to the back tension mechanism. (2) The back tension mechanism according to claim 1, wherein the magnet is also used as a rotor magnet of the motor. (3) The back tension mechanism according to claim 1 or 2, wherein the electric conductor plate is formed of a non-magnetic conductor disk!
JP7902283U 1983-05-27 1983-05-27 Buck tension mechanism Pending JPS59185742U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7902283U JPS59185742U (en) 1983-05-27 1983-05-27 Buck tension mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7902283U JPS59185742U (en) 1983-05-27 1983-05-27 Buck tension mechanism

Publications (1)

Publication Number Publication Date
JPS59185742U true JPS59185742U (en) 1984-12-10

Family

ID=30209024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7902283U Pending JPS59185742U (en) 1983-05-27 1983-05-27 Buck tension mechanism

Country Status (1)

Country Link
JP (1) JPS59185742U (en)

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