JPS6069644U

JPS6069644U - print head

Info

Publication number: JPS6069644U
Application number: JP16319983U
Authority: JP
Inventors: 惇夫坂井田; 川浦　正章; 近岡　保二; 博岩田; 浅野　清満
Original assignee: ブラザー工業株式会社; 日本通信技術株式会社
Priority date: 1983-10-20
Filing date: 1983-10-20
Publication date: 1985-05-17

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図はプリントヘッドを一部破断して示す斜視図、第
２図はプリントヘッドの路体断面図、第３図は作動体の
斜視図、第４図ζｊ第３図Ａ−Ａ線断面図、第５図はト
ーションばねの拡大説明図、第６図は印字動作を示す路
体縦断面図である。図中２０はホルダ、２１はアーマチュア、２１ａは対向
端部、２２はトーションばね、２２ａ〜２２ｃは膨径部
、２２ｄ、２２ｅは膨径部に挟まれた中間部分、２３ａ
、２３ｂは二叉部、２４ａ、２４ｂは透孔、２６は透孔
、２８は印字ワイヤである。 “　　第１図第３図Fig. 1 is a partially cutaway perspective view of the print head, Fig. 2 is a sectional view of the road body of the print head, Fig. 3 is a perspective view of the operating body, Fig. 4 ζj Fig. 3 is a cross section taken along line A-A 5 is an enlarged explanatory view of the torsion spring, and FIG. 6 is a longitudinal sectional view of the road body showing the printing operation. In the figure, 20 is a holder, 21 is an armature, 21a is an opposing end, 22 is a torsion spring, 22a to 22c are expanded diameter portions, 22d and 22e are intermediate portions sandwiched between the expanded diameter portions, and 23a
, 23b is a fork, 24a and 24b are through holes, 26 is a through hole, and 28 is a printing wire. “ Figure 1 Figure 3

Claims

[Scope of utility model registration request]

A print head for a dot printer rotatably supported by a holder and configured to rotationally drive an armature having a printing wire at its tip to print from the tip of the printing wire, wherein the holder and the armature face opposite ends. A forked end is formed on either one of the forked ends, and the other end is located between the two forked parts, and the two ends are inserted and joined between the respective through holes bored in the forked parts and the other end. A torsion spring is provided, and the joint portion of the torsion spring with the forked portion and the other end portion is a swollen portion, and the portion sandwiched therebetween is shaped like a wrapper. print head.