JPH0264042U - - Google Patents
Info
- Publication number
- JPH0264042U JPH0264042U JP14407888U JP14407888U JPH0264042U JP H0264042 U JPH0264042 U JP H0264042U JP 14407888 U JP14407888 U JP 14407888U JP 14407888 U JP14407888 U JP 14407888U JP H0264042 U JPH0264042 U JP H0264042U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- coil
- spring
- coil spring
- core
- 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
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Impact Printers (AREA)
Description
第１図ａは本考案の印字ヘツドに使用するコイ
ルスプリングの一実施例を示す正面図、第１図ｂ
及び第４図ｂ及び第５図ｂは磁気吸引力とばね負
荷の関係を示すグラフ、第２図ａ，ｂは本考案の
印字ヘツドのコイルスプリングの他の実施例を示
す正面図、第３図は従来の一例を示す印字ヘツド
の一部断面斜視図、第４図ａ及び第５図ａは第３
図の印字ヘツドに内蔵されたコイルスプリングを
示す正面図である。
１……永久磁石、２……ヨーク、３……コア、
４……アーマチユア、５，９ａ……アーマチユア
ガイド、６……キヤツプ、７……コイルスプリン
グ、８……励磁用コイル、９……スプール。
Figure 1a is a front view showing an embodiment of the coil spring used in the print head of the present invention, Figure 1b
4b and 5b are graphs showing the relationship between magnetic attraction force and spring load, FIGS. 2a and 2b are front views showing other embodiments of the coil spring of the print head of the present invention, and FIG. The figure is a partial cross-sectional perspective view of a print head showing an example of the conventional printing head.
FIG. 3 is a front view showing a coil spring built into the print head shown in the figure. 1...Permanent magnet, 2...Yoke, 3...Core,
4... Armature, 5, 9a... Armature guide, 6... Cap, 7... Coil spring, 8... Excitation coil, 9... Spool.
Claims (1)
マチユアと、このアーマチユアに対向して永久磁
石に接続されるヨークおよびコアと、このコアの
外側に巻回されるコイルと、前記アーマチユアを
揺動させるコイルスプリングとを有する印字ヘツ
ドにおいて、前記コイルスプリングにコイル径の
変化する不等径コイルスプリングを使用したこと
を特徴とする印字ヘツド。 An armature guided in one direction by an armature guide, a yoke and a core facing the armature and connected to a permanent magnet, a coil wound around the outside of the core, and a coil that swings the armature. 1. A print head having a spring, characterized in that the coil spring is an unequal diameter coil spring whose coil diameter changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14407888U JPH0264042U (en) | 1988-11-02 | 1988-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14407888U JPH0264042U (en) | 1988-11-02 | 1988-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0264042U true JPH0264042U (en) | 1990-05-14 |
Family
ID=31411467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14407888U Pending JPH0264042U (en) | 1988-11-02 | 1988-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0264042U (en) |
-
1988
- 1988-11-02 JP JP14407888U patent/JPH0264042U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0264042U (en) | ||
| JPS62136336U (en) | ||
| JPH0236436U (en) | ||
| JPH0180884U (en) | ||
| JPH0370938U (en) | ||
| JPH0258940U (en) | ||
| JPH01169011U (en) | ||
| JPH0372445U (en) | ||
| JPH0296708U (en) | ||
| JPS61188837U (en) | ||
| JPS63116338U (en) | ||
| JPH02104547U (en) | ||
| JPS63129940U (en) | ||
| JPH01121856U (en) | ||
| JPS60153507U (en) | magnetically held solenoid | |
| JPH0452052U (en) | ||
| JPS6170040U (en) | ||
| JPS61196034U (en) | ||
| JPS6265235U (en) | ||
| JPH0332345U (en) | ||
| JPS61196033U (en) | ||
| JPS60106308U (en) | electromagnetic solenoid | |
| JPH022135U (en) | ||
| JPH02146231U (en) | ||
| JPS5920611U (en) | electromagnet device |