JPS61181732U - - Google Patents
Info
- Publication number
- JPS61181732U JPS61181732U JP6661385U JP6661385U JPS61181732U JP S61181732 U JPS61181732 U JP S61181732U JP 6661385 U JP6661385 U JP 6661385U JP 6661385 U JP6661385 U JP 6661385U JP S61181732 U JPS61181732 U JP S61181732U
- Authority
- JP
- Japan
- Prior art keywords
- return spring
- support member
- printing
- fixed part
- moves away
- 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
Landscapes
- Impact Printers (AREA)
Description
第１図は本考案に係わる印字ヘツドの一実施例
の全体構成を示す断面図、第２図は第１図の要部
を示す拡大断面図、第３図はばね特性を示すグラ
フ、第４図は本実施例の動作を示す要部断面図、
第５図は本考案の他の実施例を示す要部断面図で
ある。
２…印字ピン、６…コイル、７…コア、１０…
アマチユア、１６…リターンスプリング、１７…
支持部、１９…固定部、２０…台部。
FIG. 1 is a cross-sectional view showing the overall configuration of an embodiment of a printing head according to the present invention, FIG. 2 is an enlarged cross-sectional view showing the main part of FIG. 1, FIG. 3 is a graph showing spring characteristics, and FIG. The figure is a sectional view of main parts showing the operation of this embodiment.
FIG. 5 is a sectional view of a main part showing another embodiment of the present invention. 2...Printing pin, 6...Coil, 7...Core, 10...
Amachiyua, 16...Return Spring, 17...
Support part, 19... Fixed part, 20... Stand part.
Claims (1)
て吸引するコイルを巻回したコアと、この吸引さ
れた前記印字ピンを原位置に復帰させるリターン
スプリングとを設けてなる印字ヘツドにおいて、
前記リターンスプリングの一端を支承する支持部
材と、この支持部材によつて支承された前記リタ
ーンスプリングの固定部近傍においてこのリター
ンスプリングに当接し、前記固定部から離れるに
従つて順次このリターンスプリングから遠ざかる
ような曲面を形成した段部とを具備し、このリタ
ーンスプリングのばね常数に非線形性を与えたこ
とを特徴とする印字ヘツド。 In a printing head that is provided with a printing pin, a core wound with a coil that attracts the printing pin through an armature, and a return spring that returns the attracted printing pin to its original position,
A support member that supports one end of the return spring; and a support member that contacts the return spring near a fixed part of the return spring supported by the support member, and gradually moves away from the return spring as it moves away from the fixed part. 1. A printing head characterized by comprising a stepped portion having a curved surface as shown in FIG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6661385U JPS61181732U (en) | 1985-05-07 | 1985-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6661385U JPS61181732U (en) | 1985-05-07 | 1985-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61181732U true JPS61181732U (en) | 1986-11-13 |
Family
ID=30599688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6661385U Pending JPS61181732U (en) | 1985-05-07 | 1985-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61181732U (en) |
-
1985
- 1985-05-07 JP JP6661385U patent/JPS61181732U/ja active Pending