JPH02108031U - - Google Patents
Info
- Publication number
- JPH02108031U JPH02108031U JP1701289U JP1701289U JPH02108031U JP H02108031 U JPH02108031 U JP H02108031U JP 1701289 U JP1701289 U JP 1701289U JP 1701289 U JP1701289 U JP 1701289U JP H02108031 U JPH02108031 U JP H02108031U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- coil
- yoke
- core base
- magnetic circuit
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Impact Printers (AREA)
Description
第１図は本考案の一実施例に係る印字ヘツドを
示す部分断面斜視図、第２図は第１図のアマチユ
ア付近の平面図、第３図はその縦断面図、第４図
はそのアマチユア支点部の部分拡大図、第５図は
他の実施例を示す第４図に相当する部分拡大図、
第６図は本考案の各実施例の印字ヘツドと従来の
印字ヘツドを比較するためのアマチユアストロー
クと吸引力及び負荷力の関係を示す図、第７図は
従来の印字ヘツドのアマチユア付近の断面図、第
８図はそのアマチユア支点部の部分拡大図である
。
１……永久磁石、２……コアベース、３……ヨ
ーク、４……サイドヨーク、６……コイル、７…
…キヤツプ、８……コイルバネ、９……ワイヤ、
１５，２５……アマチユア、１５ａ，２５ａ……
支点部。
Fig. 1 is a partially sectional perspective view showing a printing head according to an embodiment of the present invention, Fig. 2 is a plan view of the vicinity of the armature shown in Fig. 1, Fig. 3 is a longitudinal sectional view thereof, and Fig. 4 is the armature thereof. A partially enlarged view of the fulcrum part, FIG. 5 is a partially enlarged view corresponding to FIG. 4 showing another embodiment,
Fig. 6 is a diagram showing the relationship between the armature stroke, suction force, and load force for comparison between the print head of each embodiment of the present invention and a conventional print head, and Fig. 7 is a cross section of the armature of the conventional print head. 8 are partially enlarged views of the armature fulcrum portion. 1... Permanent magnet, 2... Core base, 3... Yoke, 4... Side yoke, 6... Coil, 7...
...Cap, 8...Coil spring, 9...Wire,
15, 25... Amateur, 15a, 25a...
Fulcrum part.
Claims (1)
及び横コアベース側に吸着されるアマチユアから
なる磁気回路と、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
ユアを付勢し上記コイル励磁時に上記アマチユア
を作動させるコイルバネと、上記アマチユアの先
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、上記アマチユアの支点部の形状を
アマチユアのストロークに応じて支点位置を移動
可能にするテーパ状又は曲面状としたことを特徴
とする印字ヘツド。 A magnetic circuit consisting of a permanent magnet, a core base, a yoke, a side yoke, and an armature that is attracted to the horizontal core base side, a coil for canceling the magnetic flux passing through this magnetic circuit, and a cap that energizes the armature. In a print head that includes a coil spring that operates the armature when the coil is excited, and a printing wire fixed to the tip of the armature, the shape of the fulcrum part of the armature can be moved in accordance with the stroke of the armature. A printing head characterized by having a tapered or curved shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1701289U JPH02108031U (en) | 1989-02-16 | 1989-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1701289U JPH02108031U (en) | 1989-02-16 | 1989-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108031U true JPH02108031U (en) | 1990-08-28 |
Family
ID=31230436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1701289U Pending JPH02108031U (en) | 1989-02-16 | 1989-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108031U (en) |
-
1989
- 1989-02-16 JP JP1701289U patent/JPH02108031U/ja active Pending
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