JPS5919337U

JPS5919337U - wire dot print head

Info

Publication number: JPS5919337U
Application number: JP11408582U
Authority: JP
Inventors: 菊地　曠; 手島　実
Original assignee: 沖電気工業株式会社
Priority date: 1982-07-29
Filing date: 1982-07-29
Publication date: 1984-02-06

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Ｉ、　　ＩＩ、　　Ｉ［Ｉは従来のワイヤドツト
印字ヘッドにおけるドツトワイヤの動作工程を示す図、
第２図Ｉは従来のドツトワイヤに磁性インクが付着した
状態を示す拡大正面図、第２図■は従来のドツトワイヤ
によって得られるドツトの拡大平面図、第３図Ｉ、　　
Ｉｆは従来のヨークに形成された溝内を通る磁束を示す
図、第４図Ｉ、　　ＩＩ、　Ｉは従来の溝内の磁性イン
クの量の変動とドツトワイヤ先端の位置関係を示す図、
第５図は本考案によるワイヤ印字ヘッドの一実施例を示
す正面図、第６図はその一部破断側面図、第７図は同じ
く一部破断側面図、第８図Ｉ、　　ｎ、　ＩＩＩは本考
案におけるドツトワイヤの動作工程を示す図、第９図１
は本考案のドツトワイヤに磁性インクが付着した状態を
示す拡大正面図、第９図■は本考案のドツトワイヤによ
って得られるドツトの拡大平面図、第１０図ｉ、　　ｎ
、　ｍは本考案における溝内の磁性インクの量の変動と
ドツトワイヤ先端の位置関係を示す図、第１１図Ｉ、　
　ＩＩは本考案における溝内を通る磁束を示す図、第１
２図Ｉ、　　ＩＩはドツトワイヤの他の実施例を示す図
である。４・・・磁性インク、６・・・ヘッド本体、７・・・ド
ツトワイヤ、８・・・ワイヤガイド、９・・・ヨーク、
１０・・・溝、１１・・・インクタンク、１２・・・永
久磁石、１３・・・インク土用ヨーク、１５・・・磁性
層。６８る　４ラ−６Ｆ　　４Figures I, II, I [I is a diagram showing the operation process of the dot wire in a conventional wire dot print head;
Fig. 2 I is an enlarged front view showing a state in which magnetic ink is attached to a conventional dot wire, Fig. 2 ■ is an enlarged plan view of a dot obtained by a conventional dot wire, Fig. 3 I,
If is a diagram showing the magnetic flux passing through the groove formed in a conventional yoke; FIGS.
FIG. 5 is a front view showing an embodiment of the wire print head according to the present invention, FIG. 6 is a partially cutaway side view thereof, FIG. 7 is a partially cutaway side view thereof, and FIGS. A diagram showing the operation process of the dot wire in the present invention, Fig. 9 1
9 is an enlarged front view showing a state in which magnetic ink is attached to the dot wire of the present invention, FIG. 9 ■ is an enlarged plan view of a dot obtained by the dot wire of the present invention, and FIGS.
, m is a diagram showing the variation in the amount of magnetic ink in the groove and the positional relationship of the tip of the dot wire in the present invention, FIG. 11I,
II is a diagram showing the magnetic flux passing through the groove in the present invention, 1st
Figures I and II show other embodiments of the dot wire. 4... Magnetic ink, 6... Head body, 7... Dot wire, 8... Wire guide, 9... Yoke,
DESCRIPTION OF SYMBOLS 10...Groove, 11...Ink tank, 12...Permanent magnet, 13...Yoke for ink soil, 15...Magnetic layer. 68 Ru 4 Ra-6 F 4

Claims

[Scope of utility model registration request]

The tip of the dot wire is positioned in the groove of the yoke provided at the front of the wire guide, magnetic ink is held in the groove, and this magnetic ink is attached to the tip of the dot wire and transferred to paper, etc. to print. What is claimed is: 1. A wire dot print head using an impact method, characterized in that at least the tip of the dot wire is made of a magnetic material, and the tip has a tapered shape.