JPS63172639U - - Google Patents
Info
- Publication number
- JPS63172639U JPS63172639U JP6615587U JP6615587U JPS63172639U JP S63172639 U JPS63172639 U JP S63172639U JP 6615587 U JP6615587 U JP 6615587U JP 6615587 U JP6615587 U JP 6615587U JP S63172639 U JPS63172639 U JP S63172639U
- Authority
- JP
- Japan
- Prior art keywords
- needle
- dot printer
- needle structure
- coil spring
- compression coil
- 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
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000005219 brazing Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Impact Printers (AREA)
Description
第１図は本考案に基づくドツトプリンタ用ニー
ドル構造の第１の実施例を示す側断面図である。
第２図〜第４図は本考案に基づくドツトプリンタ
用ニードル構造の第２〜第４の実施例を示す第１
図に対応する図である。
１……ニードル、１ａ……遊端部、１ｂ……基
端部、２……圧縮コイルばね、２ａ……密着巻部
分、３……ケーシング、４……保持孔、４ａ……
ばね保持部、４ｂ……ニードル保持部、５……硬
ろう材、１２……圧縮コイルばね、１２ａ……密
着巻部分、１２ｂ……大径部、２２……圧縮コイ
ルばね、２２ａ……密着巻部分、３２……圧縮コ
イルばね、３２ａ……密着巻部分、３３……ケー
シング、３４……保持孔。
FIG. 1 is a side sectional view showing a first embodiment of a needle structure for a dot printer based on the present invention.
2 to 4 are first embodiments showing second to fourth embodiments of the needle structure for dot printers based on the present invention.
FIG. DESCRIPTION OF SYMBOLS 1... Needle, 1a... Free end part, 1b... Base end part, 2... Compression coil spring, 2a... Closely wound part, 3... Casing, 4... Holding hole, 4a...
Spring holding part, 4b... Needle holding part, 5... Hard brazing material, 12... Compression coil spring, 12a... Closely wound part, 12b... Large diameter part, 22... Compression coil spring, 22a... Close contact Winding portion, 32... Compression coil spring, 32a... Closely wound portion, 33... Casing, 34... Holding hole.
Claims (1)
ことをもつて前記ニードルを軸線方向に駆動し印
字を行うドツトプリンタのニードル構造であつて
、 前記ハンマと衝当するべく前記ニードルの前記
基端側に設けられた頭部部材と、前記ニードルを
前記駆動方向と相反する向きに付勢する圧縮コイ
ルばねとを有し、 前記ニードルの基端部と、前記頭部部材と、前
記圧縮コイルばねの基端部とが、固着手段により
互いに一体的に固着されていることを特徴とする
ドツトプリンタ用ニードル構造。 (2) 前記頭部部材が、金属からなることを特徴
とする実用新案登録請求の範囲第１項に記載のド
ツトプリンタ用ニードル構造。 (3) 前記固着手段が、ろう付けであることを特
徴とする実用新案登録請求の範囲第２項に記載の
ドツトプリンタ用ニードル構造。[Claims for Utility Model Registration] (1) A needle structure for a dot printer in which printing is performed by driving the needle in an axial direction by striking the base end side of the needle with a hammer, the needle structure comprising: striking the proximal end of the needle with a hammer; a head member preferably provided on the proximal end side of the needle; and a compression coil spring that biases the needle in a direction opposite to the driving direction; A needle structure for a dot printer, characterized in that the member and the base end of the compression coil spring are integrally fixed to each other by fixing means. (2) The needle structure for a dot printer according to claim 1, wherein the head member is made of metal. (3) The needle structure for a dot printer according to claim 2, wherein the fixing means is brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6615587U JPS63172639U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6615587U JPS63172639U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63172639U true JPS63172639U (en) | 1988-11-09 |
Family
ID=30903898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6615587U Pending JPS63172639U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63172639U (en) |
-
1987
- 1987-04-30 JP JP6615587U patent/JPS63172639U/ja active Pending