JPS61180735U

JPS61180735U -

Info

Publication number: JPS61180735U
Application number: JP6399585U
Authority: JP
Priority date: 1985-04-27
Filing date: 1985-04-27
Publication date: 1986-11-11
Also published as: JPH0354918Y2

Description

[Brief explanation of the drawing]

第１図は、本考案の印字ヘツドの分解斜視図、
第２図は、本考案のコア部材、マグネツトコイル
、永久磁石、ヨークの部分組立斜視図、第３図は
、本考案の板バネとプリントワイヤを装着したア
ーマチユアの斜視図、第４図は、本考案の第１図
のアーマチユアガイドのＣ―Ｄ断面図、第５図ａ
およびｂは、本考案のアーマチユアの実装位置関
係を示す説明図およびアーマチユアの基部とガイ
ド片との関係を示す説明図、第６図は、本考案の
印字ヘツドの断面図である。 FIG. 1 is an exploded perspective view of the print head of the present invention;
Figure 2 is a partially assembled perspective view of the core member, magnetic coil, permanent magnet, and yoke of the present invention, Figure 3 is a perspective view of an armature equipped with the leaf spring and printed wire of the present invention, and Figure 4 is a perspective view of the armature equipped with the leaf spring and printed wire of the present invention. , CD sectional view of the armature guide of the present invention in Fig. 1, Fig. 5 a
FIG. 6 is a cross-sectional view of the print head of the present invention.

Claims

[Scope of utility model registration request]

The armature is attracted to the core by a permanent magnet,
In a print head for a dot printer, in which the magnetic flux of a permanent magnet is canceled by the energization of a magnetic coil to release an armature and drive a print wire, a plurality of circular rings are formed on the upper end surface of a circular ring having a bottom portion 1b made of a magnetic material. A yoke 1 having a notched groove 1a, a permanent magnet 2 having a magnetic pole toward the center, and a plurality of cores 3c each fitted with a magnetic coil 4.
A core member 3 is formed with a printed wire 7 at one end and a leaf spring 6 at a free end.
a plurality of armatures 5 disposed facing each other;
It is equipped with a plurality of pressing pieces 3d that are arranged opposite to the leaf spring 6 of the armature 5 to apply upward elastic force to the armature 5, and a printing head member that has a guide piece for regulating the movement of the armature 5,
By cooperation between a leaf spring 6 that always biases the armature 5 and the magnetic coil 4, the armature 5 is configured to drive the printed wire 7 by attracting and releasing the outer peripheral edge of the core 3c to the surface of the core 3c using the outer periphery as a branch line. A printing head characterized by: