JPH0366748U - - Google Patents
Info
- Publication number
- JPH0366748U JPH0366748U JP12718089U JP12718089U JPH0366748U JP H0366748 U JPH0366748 U JP H0366748U JP 12718089 U JP12718089 U JP 12718089U JP 12718089 U JP12718089 U JP 12718089U JP H0366748 U JPH0366748 U JP H0366748U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- core
- cores
- leaf spring
- wound around
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Impact Printers (AREA)
Description
第１図は本考案に係る実施例を示す要部切欠斜
視図、第２図は本考案に係る実施例を示す要部切
欠平面図、第３図は従来のワイヤドツト印字ヘツ
ドを示す切欠断面図、第４図は従来のワイヤドツ
ト印字ヘツドを示す切欠平面図、第５図は第４図
のＢ−Ｂ断面図である。
１……板バネ、２……板バネ片、３……板バネ
片、３５……前コア、３６……後コア、４５……
コイル、４６……コイル。
Fig. 1 is a cutaway perspective view of a main part showing an embodiment of the present invention, Fig. 2 is a cutaway plan view of a main part showing an embodiment of the present invention, and Fig. 3 is a cutaway sectional view of a conventional wire dot printing head. 4 is a cutaway plan view showing a conventional wire dot printing head, and FIG. 5 is a sectional view taken along line B--B in FIG. 4. 1... Leaf spring, 2... Leaf spring piece, 3... Leaf spring piece, 35... Front core, 36... Rear core, 45...
Coil, 46...Coil.
Claims (1)
ち、中央側コアにコイルを巻装した第１のコア対
と周縁側コアにコイルを巻装した第２のコア対と
を交互に環状に配設し、第１および第２のコア対
にそれぞれ対向しアーマチユアを固着した板バネ
を有し、永久磁石により撓ませた板バネをコイル
に通電することにより解放してアーマチユアに固
着した印字ワイヤを突出させて印字を行うワイヤ
ドツト印字ヘツドにおいて、 前記第１のコア対に対向する板バネの撓み部の
幅と前記第２のコア対に対向する板バネの撓み部
の幅とを異ならしめたことを特徴とするワイヤド
ツト印字ヘツド。[Claims for Utility Model Registration] Of a pair of cores arranged in the centripetal direction, a first pair of cores has a coil wound around the central core, and a second pair of cores has a coil wound around the peripheral core. are alternately arranged in a ring shape, and have plate springs facing the first and second core pairs and fixed to armatures, and the plate springs are deflected by a permanent magnet and released by energizing the coils. In a wire dot printing head that prints by protruding a printing wire fixed to an armature, the width of the flexible part of the leaf spring facing the first core pair and the width of the flexible part of the leaf spring facing the second core pair are determined. A wire dot printing head characterized by having different widths.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12718089U JPH0366748U (en) | 1989-11-01 | 1989-11-01 | |
| US07/781,204 US5290113A (en) | 1989-06-26 | 1990-06-25 | Wire dot printing head |
| EP90909388A EP0480032B1 (en) | 1989-06-26 | 1990-06-25 | Wire dot printing head |
| JP2509058A JP2608182B2 (en) | 1989-06-26 | 1990-06-25 | Wire dot print head |
| DE69023137T DE69023137T2 (en) | 1989-06-26 | 1990-06-25 | NEEDLE POINT PRINT HEAD. |
| PCT/JP1990/000820 WO1991000182A1 (en) | 1989-06-26 | 1990-06-25 | Wire dot printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12718089U JPH0366748U (en) | 1989-11-01 | 1989-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0366748U true JPH0366748U (en) | 1991-06-28 |
Family
ID=31674952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12718089U Pending JPH0366748U (en) | 1989-06-26 | 1989-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0366748U (en) |
-
1989
- 1989-11-01 JP JP12718089U patent/JPH0366748U/ja active Pending