JPS591122U

JPS591122U - Double gap erase head for video tape recorder

Info

Publication number: JPS591122U
Application number: JP9520882U
Authority: JP
Inventors: 上岡　登喜夫
Original assignee: ティーディーケイ株式会社
Priority date: 1982-06-24
Filing date: 1982-06-24
Publication date: 1984-01-06
Also published as: JPH034967Y2

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

[Brief explanation of drawings]

第１図は全面消去ヘッドとして用いるＶＴＲ用磁気ヘッ
ドのヘッド本体を示した分解斜視図、第２図は全ラド本
体の外側に樹脂を成形する状況を示した図、第３図は従
来のＶＴＲ用磁気ヘッドに用いられるバックコアとキャ
ップを示した分解斜視図、第４図はキャップをかぶせた
ヘッド本体を示した斜視図、第５図は本考案に係るＶＴ
Ｒ用磁気ヘッドに用いられるキャップを示した図でイは
平面図、口は正゛面図、第６図は本考案に係るＶＴＲ用
磁気へラードの要部を従来のもの生比較して示した断面
図で、イは従来のもの、口は本考案に係るものである。１・・・ヘッド本体、２・・・フロントコア、２Ａ・・
・サイドコア、２Ｂ・・・溝部、２Ｃ・・・センターコ
ア、２Ｄ・・・ギャップスペーサ、３・・・バックコア
、４・・・　　。コイル、４Ａ・・・ボビン部、４Ｂ・・・端子固定部、
４Ｃ・・・巻線、４Ｄ・・・通孔、５・・・端子ピン、
６・・・キ′ヤツプ、６Ａ・・・通孔、１１・・・金型
、ＩＩＡ・・・上型、１１Ｂ・・・下型、１２・・−空
間、１３・・・樹脂、２１・・・ＶＴＲ用磁気ヘッド。Figure 1 is an exploded perspective view showing the head body of a VTR magnetic head used as a full erase head, Figure 2 is a diagram showing how resin is molded on the outside of the entire RAD body, and Figure 3 is a conventional VTR magnetic head. FIG. 4 is an exploded perspective view showing the back core and cap used in the magnetic head, FIG. 4 is a perspective view showing the head body covered with the cap, and FIG.
A is a plan view of the cap used in the R magnetic head, and FIG. 6 is a plan view of the cap, and a front view of the cap. In the cross-sectional views, A is the conventional one and the mouth is the one according to the present invention. 1...Head body, 2...Front core, 2A...
・Side core, 2B...Groove portion, 2C...Center core, 2D...Gap spacer, 3...Back core, 4... Coil, 4A...Bobbin part, 4B...Terminal fixing part,
4C... Winding wire, 4D... Through hole, 5... Terminal pin,
6...Cap, 6A...Through hole, 11...Mold, IIA...Upper mold, 11B...Lower mold, 12...-Space, 13...Resin, 21... ...Magnetic head for VTR.

Claims

[Scope of utility model registration request]

Molding resin on the outside of a coil, a front core into which one coil is inserted, and a bank core that is bonded to the negative end surface of the front core and has a resin cap attached to the surface opposite to the bonded surface. A magnetic head for a video tape recorder, characterized in that the resin cap is provided with one or more through holes.