JPS6430237U

JPS6430237U -

Info

Publication number: JPS6430237U
Application number: JP12532987U
Authority: JP
Priority date: 1987-08-18
Filing date: 1987-08-18
Publication date: 1989-02-23

Description

[Brief explanation of the drawing]

第１図ａは本考案のワイヤドツトプリンタ用印
字ヘツドの印字ワイヤを示す斜視図、第１図ｂは
印字ワイヤの印字部の拡大図、第２図は本考案が
適用される印字ヘツドを示す側断面図、第３図は
印字ワイヤの印字部の磨耗状態を示す側面図であ
る。図に於いて、２は印字マグネツト、３は印字ワ
イヤ、３ａは印字部、４は枠体、４ａはワイヤガ
イド、５はアマチユア、６は板ばね、７はコア、
８はビーム、９はコイル、１０ａはマグネツトベ
ース、１０ｂ，１０ｄは磁路部、１０ｃはスペー
サ、１１は永久磁石、１２はセラミツク層である
。 Fig. 1a is a perspective view showing the printing wire of the printing head for a wire dot printer of the present invention, Fig. 1b is an enlarged view of the printing part of the printing wire, and Fig. 2 is a side view showing the printing head to which the invention is applied. The sectional view and FIG. 3 are side views showing the state of wear of the printing portion of the printing wire. In the figure, 2 is a printing magnet, 3 is a printing wire, 3a is a printing section, 4 is a frame, 4a is a wire guide, 5 is an armature, 6 is a leaf spring, 7 is a core,
8 is a beam, 9 is a coil, 10a is a magnet base, 10b and 10d are magnetic path sections, 10c is a spacer, 11 is a permanent magnet, and 12 is a ceramic layer.

Claims

[Claims for Utility Model Registration] An armature 5, and a printing magnet 2 facing the armature 5.
and a printing wire 3 whose rear end is fixed to the tip of the armature 5, in a printing head for a wire dot printer that prints by exciting the printing magnet 2, a printing portion 3a at the tip of the printing wire is provided. A print head for a wire dot printer, characterized in that it is coated with a ceramic layer 12.