JPH01141034U - - Google Patents
Info
- Publication number
- JPH01141034U JPH01141034U JP3851988U JP3851988U JPH01141034U JP H01141034 U JPH01141034 U JP H01141034U JP 3851988 U JP3851988 U JP 3851988U JP 3851988 U JP3851988 U JP 3851988U JP H01141034 U JPH01141034 U JP H01141034U
- Authority
- JP
- Japan
- Prior art keywords
- cores
- permanent magnet
- yoke
- contact area
- 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Impact Printers (AREA)
Description
第１図ないし第４図はこの考案の一実施例を示
すもので、第１図は縦断側面図、第２図は一部を
切欠した平面図、第３図は中間部に配列されたコ
アを示す斜視図、第４図は両端部に配列されたコ
アを示す斜視図、第５図ないし第８図は両端部に
配列されるコアの取付面の面積を拡大する変形例
を示す斜視図、第９図ないし第１１図は従来のコ
アの配列状態を示すもので、第９図は平面図、第
１０図は正面図、第１１図は側面図である。
１，２……ヨーク、３……永久磁石、４……取
付面、６，６ａ，６ｂ……コア、７……電磁コイ
ル、８……アーマチユア、１０……ニードル。
Figures 1 to 4 show an embodiment of this invention, in which Figure 1 is a longitudinal side view, Figure 2 is a partially cutaway plan view, and Figure 3 shows cores arranged in the middle. FIG. 4 is a perspective view showing the cores arranged at both ends, and FIGS. 5 to 8 are perspective views showing modifications that enlarge the area of the mounting surface of the cores arranged at both ends. , FIGS. 9 to 11 show the arrangement of conventional cores, with FIG. 9 being a plan view, FIG. 10 being a front view, and FIG. 11 being a side view. 1, 2... Yoke, 3... Permanent magnet, 4... Mounting surface, 6, 6a, 6b... Core, 7... Electromagnetic coil, 8... Armature, 10... Needle.
Claims (1)
弧上に配列された複数のコアと、これらのコアの
端面から離反する方向に付勢されて起伏自在に保
持されるとともに先端部にニードルが連結された
複数のアーマチユアと、ヨークと、前記コアと前
記ヨークとの間に装着された永久磁石とにより閉
磁路を形成する釈放型ドツトプリンタヘツドにお
いて、中間部に配列された前記コアの前記永久磁
石への接触面積に対して少なくとも両端に配列さ
れた前記コアの前記永久磁石への接触面積を大き
くしたことを特徴とする釈放型ドツトプリンタヘ
ツド。 A plurality of cores each having an electromagnetic coil wound thereon and arranged in a straight line or an arc, and each of these cores is biased in a direction away from the end face and held in an up and down manner, and a needle is connected to the tip. In an open-type dot printer head that forms a closed magnetic path with a plurality of armatures, a yoke, and a permanent magnet installed between the core and the yoke, the core arranged in the middle section is connected to the permanent magnet. A release type dot printer head, characterized in that the contact area of the cores arranged at both ends of the permanent magnet is increased relative to the contact area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3851988U JPH01141034U (en) | 1988-03-24 | 1988-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3851988U JPH01141034U (en) | 1988-03-24 | 1988-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01141034U true JPH01141034U (en) | 1989-09-27 |
Family
ID=31265063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3851988U Pending JPH01141034U (en) | 1988-03-24 | 1988-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01141034U (en) |
-
1988
- 1988-03-24 JP JP3851988U patent/JPH01141034U/ja active Pending