JPS59107714U

JPS59107714U - erase head

Info

Publication number: JPS59107714U
Application number: JP83383U
Authority: JP
Inventors: 上岡　登喜夫; 誠一石井; 隆生小林; 哲山口
Original assignee: ティーディーケイ株式会社
Priority date: 1983-01-10
Filing date: 1983-01-10
Publication date: 1984-07-20

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 the drawing]

第１図は録音再生ヘッド及びこの側面に固定された消去
ヘッドを示す概略平面図、第２図は本考案に係る消去ヘ
ッドの実施例であってコア研削前の状態を示す平面図、
第３図は実施例の全体構成を示す平面図、第４図は本考
案の他の実施例であってコア研削前の状態を示す平面図
である。１０・・・・・・センタコア、１１・・・・・・ギャッ
プ材、１２・・・・・・外側コア、１４・・・・・・コ
イル、１５Ａ。１５Ｂ・・・・・・内面、２０・・・・・・テープ摺動
面、３０Ａ。３０Ｂ・・・・・・直角立上り部、Ｇ・・・・・・ギャ
ップ。FIG. 1 is a schematic plan view showing a recording/playback head and an erasing head fixed to the side thereof; FIG. 2 is a plan view showing an embodiment of the erasing head according to the present invention before core grinding;
FIG. 3 is a plan view showing the overall structure of the embodiment, and FIG. 4 is a plan view showing another embodiment of the present invention before core grinding. 10... Center core, 11... Gap material, 12... Outer core, 14... Coil, 15A. 15B...Inner surface, 20...Tape sliding surface, 30A. 30B... Right angle rising part, G... Gap.

Claims

[Scope of utility model registration request]

(1) In an erasing head having a center core and an outer core facing the center core tip via a gap material to form a gap, the inner surface of the outer core tip facing the center core tip is An erased rad characterized in that each gap is formed on uneven surfaces so that the gap Daves are approximately equal.

(2) The erasing head according to claim 1, wherein the inner surface of the outer core tip portion has a right-angled rising portion that is perpendicular to the center core.