JPH0454851U - - Google Patents
Info
- Publication number
- JPH0454851U JPH0454851U JP9735790U JP9735790U JPH0454851U JP H0454851 U JPH0454851 U JP H0454851U JP 9735790 U JP9735790 U JP 9735790U JP 9735790 U JP9735790 U JP 9735790U JP H0454851 U JPH0454851 U JP H0454851U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- yoke
- core base
- magnetic circuit
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004907 flux Effects 0.000 claims 1
Landscapes
- Impact Printers (AREA)
Description
第１図は本考案の一実施例の印字ヘツドのアマ
チユア近傍を示す平面図、第２図は第１図のアマ
チユア近傍の断面を示す断面図、第３図ａ及びｂ
は第１図のアマチユア回転支点部を拡大して示す
斜視図、第４図は本考案の印字ヘツドの他の実施
例に係る印字ヘツドのアマチユア近傍を示す断面
図、第５図は第４図のヨークを拡大して示す斜視
図、第６図は従来の印字ヘツド一例におけるアマ
チユア近傍を示す断面図である。
１……永久磁石、２……コアベース、３……ヨ
ーク、３ａ，５ａ……モールド部材、４……サイ
ドヨーク、５……アマチユア、６……コイル、７
……キヤツプ、８……コイルバネ、９……ワイヤ
、１０，１０ａ……レジユアル。
FIG. 1 is a plan view showing the vicinity of the armature of a printing head according to an embodiment of the present invention, FIG. 2 is a sectional view showing the section near the armature of FIG. 1, and FIGS. 3 a and b.
1 is an enlarged perspective view of the armature rotation fulcrum shown in FIG. 1, FIG. 4 is a sectional view showing the vicinity of the armature of a printing head according to another embodiment of the printing head of the present invention, and FIG. FIG. 6 is a sectional view showing the vicinity of the armature in an example of a conventional print head. 1... Permanent magnet, 2... Core base, 3... Yoke, 3a, 5a... Mold member, 4... Side yoke, 5... Armature, 6... Coil, 7
...Cap, 8...Coil spring, 9...Wire, 10, 10a...Regular.
Claims (1)
及びコアベース側に吸着されるアマチユアとから
形成される磁気回路と、この磁気回路を通る磁束
を打消すためのコイルと、キヤツプを介して上記
アマチユアを作動させるコイルバネと、前記アマ
チユアの先端に固着された印字用のワイヤとを備
える印字ヘツドにおいて、前記アマチユアの回転
支点部をモールド部材で構成することを特徴とす
る印字ヘツド。 A magnetic circuit formed by a permanent magnet, a core base, a yoke, a side yoke, and an armature that is attracted to the core base side, a coil for canceling the magnetic flux passing through this magnetic circuit, and a cap that operates the armature. What is claimed is: 1. A printing head comprising a coil spring that rotates the armature, and a printing wire fixed to the tip of the armature, wherein the rotation fulcrum of the armature is formed of a molded member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9735790U JPH0454851U (en) | 1990-09-17 | 1990-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9735790U JPH0454851U (en) | 1990-09-17 | 1990-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454851U true JPH0454851U (en) | 1992-05-11 |
Family
ID=31837655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9735790U Pending JPH0454851U (en) | 1990-09-17 | 1990-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454851U (en) |
-
1990
- 1990-09-17 JP JP9735790U patent/JPH0454851U/ja active Pending