JPS6243741U

JPS6243741U -

Info

Publication number: JPS6243741U
Application number: JP13559685U
Authority: JP
Priority date: 1985-09-06
Filing date: 1985-09-06
Publication date: 1987-03-16

Description

[Brief explanation of the drawing]

第１図ないし第４図は本考案の第１の実施例に
係り、第１図は印字ヘツドの断面図、第２図はア
ーマチユアガイドの斜視図、第３図は組立工程の
途中状態における印字ヘツドの断面図、第４図は
その平面図、第５図は本考案の第２の実施例に係
る組立工程途中状態における印字ヘツドの断面図
、第６図ないし第８図は従来例に係り、第６図は
印字ヘツドの断面図、第７図はアーマチユアとア
ーマチユアガイドの関係を示す平面図、第８図は
組立工程途中状態における印字ヘツドの断面図で
ある。１……フロントカバー、２……リアカバー、３
……ヨーク、４……コア、５……コイル、６……
アーマチユア、７……ワイヤ、８……復帰用ばね
、９……支持用ばね、１０……ダンパ、１１……
アーマチユアガイド、１１ａ……保持部、１１ｃ
……ストツパー、１２……ワイヤホルダ、１２ａ
……ストツパー。 Figures 1 to 4 relate to the first embodiment of the present invention, with Figure 1 being a sectional view of the print head, Figure 2 being a perspective view of the armature guide, and Figure 3 being in the middle of the assembly process. 4 is a plan view thereof, FIG. 5 is a sectional view of the print head in the middle of the assembly process according to the second embodiment of the present invention, and FIGS. 6 to 8 are conventional examples. 6 is a sectional view of the printing head, FIG. 7 is a plan view showing the relationship between the armature and the armature guide, and FIG. 8 is a sectional view of the printing head in the middle of the assembly process. 1...Front cover, 2...Rear cover, 3
... Yoke, 4 ... Core, 5 ... Coil, 6 ...
Armature, 7... Wire, 8... Return spring, 9... Support spring, 10... Damper, 11...
Armature guide, 11a...holding part, 11c
... Stopper, 12 ... Wire holder, 12a
...stopper.

Claims

[Scope of utility model registration request]

A plurality of wires, an armature connected to the wires, a core of a magnetic circuit disposed opposite to the armature, a return spring that biases the armature in a direction away from the core, and the armature In the print head of a wire dot printer, the armature and the rear cover are attached to the upper part of the printer, and the wire is driven by attracting the armature toward the core by energizing a coil wound around the core. A printing head for a wire dot printer, characterized in that a stopper for supporting the armature against a return spring is provided in between, and the stopper prevents the armature from falling off before the rear cover is attached.