JPH0467041U - - Google Patents
Info
- Publication number
- JPH0467041U JPH0467041U JP11028890U JP11028890U JPH0467041U JP H0467041 U JPH0467041 U JP H0467041U JP 11028890 U JP11028890 U JP 11028890U JP 11028890 U JP11028890 U JP 11028890U JP H0467041 U JPH0467041 U JP H0467041U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- leaf spring
- core
- printing
- pressure contact
- 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.)
- Granted
Links
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Impact Printers (AREA)
Description
第１図は、本考案のドツト印字ヘツドの一実施
例を示す要部平面図であり、第２図は、その側断
面図で、Ａは、アーマチユア解放時の状態を示し
、Ｂは、吸引時の状態を示している。第３図は、
本考案におけるアーマチユアの動作を説明するた
めの側断面図、第４図および第５図は、印字ワイ
ヤの吸引ストロークと板ばねのバネ力の関係を調
べた結果を示すもので、それぞれ本考案の実施例
および従来例のグラフ、第６図は、本考案の実施
例および従来例による印字ワイヤの飛行波形を示
すグラフ、第７図は、従来のバネチヤージ型ドツ
ト印字ヘツドを示す図、第８図は、従来例の吸引
状態を示す図である。
２……永久磁石、４……スペーサ、５……アー
マチユアヨーク、７……ガイド、１０……アーマ
チユア、１０ａ……アーマチユア後端部、１１…
…印字ワイヤ、１２……コア、１３……コイル、
１５……板ばね、１６……ストツパ、１７……ス
トツパジム。
FIG. 1 is a plan view of essential parts showing one embodiment of the dot printing head of the present invention, and FIG. 2 is a side sectional view thereof, where A shows the state when the armature is released, and B shows the state when the armature is released. It shows the state at the time. Figure 3 shows
4 and 5, which are side sectional views for explaining the operation of the armature in the present invention, show the results of investigating the relationship between the suction stroke of the printing wire and the spring force of the leaf spring, respectively. Graphs of the embodiment and conventional example; FIG. 6 is a graph showing flight waveforms of printing wires according to the embodiment of the present invention and the conventional example; FIG. 7 is a diagram showing a conventional spring charge type dot printing head; FIG. 1 is a diagram showing a suction state of a conventional example. 2... Permanent magnet, 4... Spacer, 5... Armature yoke, 7... Guide, 10... Armature, 10a... Armature rear end, 11...
...printing wire, 12...core, 13...coil,
15... leaf spring, 16... stoppa, 17... stoppa gym.
Claims (1)
端側に固定支持されるとともに先端部に印字ワイ
ヤが取り付けられたアーマチユアと、このアーマ
チユアの下部に設けられたコアおよびコイルから
なる電磁石と、前記アーマチユアとコアとの間に
磁束を供給する永久磁石とを備え、前記電磁石を
ＯＮ、ＯＦＦさせることにより前記アーマチユア
を前記コアから解放あるいは吸引させ前記印字ワ
イヤを駆動するドツト印字ヘツドにおいて、 前記アーマチユアの後端部がアーマチユア吸引
時には圧接せず、印字リセツト後のオーバースト
ローク時に圧接するような干渉部材を設けたこと
を特徴とするドツト印字ヘツド。[Claims for Utility Model Registration] A leaf spring having a fixed end, an armature fixedly supported on the free end of the leaf spring and having a printing wire attached to its tip, and a leaf spring provided at the bottom of the armature. an electromagnet consisting of a core and a coil, and a permanent magnet that supplies magnetic flux between the armature and the core, and by turning the electromagnet on and off, the armature is released from or attracted to the core, and the printing wire is drawn. A dot printing head that is driven, characterized in that an interference member is provided such that the rear end of the armature does not come into pressure contact when the armature is suctioned, but comes into pressure contact during overstroke after printing reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990110288U JPH0742742Y2 (en) | 1990-10-22 | 1990-10-22 | Dot print head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990110288U JPH0742742Y2 (en) | 1990-10-22 | 1990-10-22 | Dot print head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0467041U true JPH0467041U (en) | 1992-06-15 |
| JPH0742742Y2 JPH0742742Y2 (en) | 1995-10-04 |
Family
ID=31857607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990110288U Expired - Lifetime JPH0742742Y2 (en) | 1990-10-22 | 1990-10-22 | Dot print head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742742Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63312159A (en) * | 1987-06-12 | 1988-12-20 | Matsushita Electric Ind Co Ltd | Printing head |
-
1990
- 1990-10-22 JP JP1990110288U patent/JPH0742742Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63312159A (en) * | 1987-06-12 | 1988-12-20 | Matsushita Electric Ind Co Ltd | Printing head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0742742Y2 (en) | 1995-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |