JPS5967244U

JPS5967244U - Print head in dot line printer

Info

Publication number: JPS5967244U
Application number: JP16225382U
Authority: JP
Inventors: 栗原　稔夫; 國田　雅夫; 安永　眞; 勝也増田; 卓森谷; 誠一大澤
Original assignee: シチズン時計株式会社
Priority date: 1982-10-26
Filing date: 1982-10-26
Publication date: 1984-05-07
Also published as: JPS646289Y2

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図および第２図は、本考案の印字ヘッドの一実施例
を示し、第１図はリボンマスクおよびカバーを外し且つ
一部破断した状態を示す斜視図、第２図は主要構成を示
す断面図である。１・・・・・・枠体、２・・・・・・板ばね支持部材、
４・・・・・・板ばね、７・・・・・・アーマチュア、
８・・・・・・印字針、９・・・・・・第１ヨーク、９
Ｃ・・・・・・コア、９ｄ・・・・・・棚部、１１・・
・・・・コイル、１２・・・・・・磁石ブロック、１３
・・・・・・磁石取付板、１４・・・・・・永久磁石、
１５・・・・・・第２ヨーク。1 and 2 show an embodiment of the print head of the present invention, FIG. 1 is a perspective view showing a partially broken state with the ribbon mask and cover removed, and FIG. 2 shows the main components. FIG. 1... Frame body, 2... Leaf spring support member,
4... Leaf spring, 7... Armature,
8... Printing needle, 9... First yoke, 9
C...Core, 9d...Shelf, 11...
... Coil, 12 ... Magnet block, 13
...Magnet mounting plate, 14...Permanent magnet,
15...Second yoke.

Claims

[Scope of utility model registration request]

(1) A print head in which a plurality of printing needles are arranged in a direction perpendicular to the conveying direction of the printing paper, facing the printing paper; While reciprocating in a right-angled direction, a plurality of printing needles and the printed characters are applied to a print head of a dot line printer that prints characters, figures, etc. by selectively colliding the printing needles with the printing paper. A plurality of armatures made of a magnetic material each firmly holding a needle, a plurality of leaf springs each holding the armature firmly at one end, and a plate supporting the plurality of leaf springs by fixing the other end of the leaf spring. a plurality of first yokes made of a magnetic material, each having a spring support member, a core facing the rear surface of the armature in close proximity to each other, and a shelf formed on the opposite side of the leaf spring support member with respect to the core; a magnet mounting plate made of a magnetic material attached to the shelf of the first yoke; a permanent magnet fixed to the magnet mounting plate with one magnetic pole; and a permanent magnet fixed to the other magnetic pole of the permanent magnet. a second yoke made of a magnetic material and having a surface facing close to the side surface of the armature;
Coils respectively disposed on the cores, a leaf spring support part that securely holds the leaf spring support member, a yoke support part that firmly holds the plurality of first yokes, the yoke support part, and the leaf spring support part. A frame body is integrally formed of a non-magnetic material and has a plurality of pillars arranged in a direction parallel to the direction in which the printing needles are arranged for coupling. The print head in a dot line printer.

(2) A print head for a dot line printer as set forth in claim 1, wherein the frame is made of a light metal.