JPH0473545U - - Google Patents
Info
- Publication number
- JPH0473545U JPH0473545U JP11680490U JP11680490U JPH0473545U JP H0473545 U JPH0473545 U JP H0473545U JP 11680490 U JP11680490 U JP 11680490U JP 11680490 U JP11680490 U JP 11680490U JP H0473545 U JPH0473545 U JP H0473545U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- guide
- wire
- printing head
- armatures
- 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
Landscapes
- Impact Printers (AREA)
Description
第１図は本考案の一実施例を示す印字ヘツドに
おけるアマチユアとアマチユアガイドの部分平面
図、第２図は第１図の分解斜視図、第３図は従来
の印字ヘツドを示す部分破断断面図、第４図は第
３図の印字ヘツドにおけるアマチユアとアマチユ
アガイドの相対位置を示す平面図である。
１……永久磁石、２……電磁駆動部、３……ア
マチユア、４……ワイヤ、５……ワイヤガイド、
６……ガイドフレーム、７……コイルバネ、８…
…キヤツプ、９……アマチユアガイド、３ａ……
先端部、３ｂ……後端部、９ａ……突起。
Fig. 1 is a partial plan view of an armature and an armature guide in a printing head showing an embodiment of the present invention, Fig. 2 is an exploded perspective view of Fig. 1, and Fig. 3 is a partially cutaway sectional view showing a conventional printing head. , and FIG. 4 is a plan view showing the relative positions of the armature and armature guide in the printing head of FIG. 3. 1...Permanent magnet, 2...Electromagnetic drive unit, 3...Amateur, 4...Wire, 5...Wire guide,
6...Guide frame, 7...Coil spring, 8...
...cap, 9...amateur guide, 3a...
Tip part, 3b... Rear end part, 9a... Protrusion.
Claims (1)
形成するアマチユアと該アマチユア先端に固着さ
れたワイヤと、該ワイヤを収束させるワイヤガイ
ドと、該アマチユアを弾発させるコイルバネと、
該コイルバネの撓み量を決めるキヤツプと、該ア
マチユアと該コイルバネを放射状に配列し各々を
取り囲むアマチユアガイドから構成される印字ヘ
ツドにおいて、該アマチユアが嵌合する該アマチ
ユアガイドの側面部に複数個の突起を設けたこと
を特徴とする印字ヘツド。 An electromagnetic drive unit including a permanent magnet, an armature that forms a closed magnetic path with the armature, a wire fixed to the tip of the armature, a wire guide that converges the wire, and a coil spring that springs the armature.
In the printing head, which is composed of a cap that determines the amount of deflection of the coil spring, and an armature guide that surrounds each of the armatures and the coil springs arranged in a radial manner, a plurality of protrusions are provided on the side surface of the armature guide into which the armatures are fitted. A printing head characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11680490U JPH0473545U (en) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11680490U JPH0473545U (en) | 1990-11-07 | 1990-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0473545U true JPH0473545U (en) | 1992-06-29 |
Family
ID=31864643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11680490U Pending JPH0473545U (en) | 1990-11-07 | 1990-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0473545U (en) |
-
1990
- 1990-11-07 JP JP11680490U patent/JPH0473545U/ja active Pending