JPS58128049U - Print head positioning mechanism - Google Patents
Print head positioning mechanismInfo
- Publication number
- JPS58128049U JPS58128049U JP2362082U JP2362082U JPS58128049U JP S58128049 U JPS58128049 U JP S58128049U JP 2362082 U JP2362082 U JP 2362082U JP 2362082 U JP2362082 U JP 2362082U JP S58128049 U JPS58128049 U JP S58128049U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- print head
- attached
- platen
- shaft
- 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
Landscapes
- Common Mechanisms (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の印字ヘッド位置決め機構を備えたワイヤ
ドツトプリンタ装置の平面図、第２図はその右側面図、
第３図は第２図における偏心カム部の拡大図、第４図は
本考案の一実施例による印字ヘッド位置決め機構を備え
たワイヤドツトプリンタ装置の平面図、第５図は第４図
の右側部の拡大断面図、第６図から第１２図は本考案に
よる印字ヘッド位置決め機構の動作工程を示す右側面図
、第１３図は本考案におけるパルスチャートの一例を示
す図である。
１７．１８・・・サイドフレーム、１９・・・プラテン
、２０．２１・・・ガイドシャフト、２２．２３・・・
偏心カム、２４・・・キャリッジフレーム、２５・・・
印字ヘッド、２６・・・先端面、２７・・・リボンプロ
テクタ、２８・・・第１のギヤ、２９・・・軸、３０・
・・揺動ギヤ、３１・・・第２のギヤ、３２・・・板バ
ネ、３３・・・ピン、３４・・・リミッタ、３５・・・
パルスモータ、３８・・・回転軸、３９・・・第３のギ
ヤ、４０・・・印字用紙。
曇７図
３５３８
８FIG. 1 is a plan view of a wire dot printer device equipped with a conventional print head positioning mechanism, and FIG. 2 is a right side view thereof.
3 is an enlarged view of the eccentric cam section in FIG. 2, FIG. 4 is a plan view of a wire dot printer equipped with a print head positioning mechanism according to an embodiment of the present invention, and FIG. 5 is the right side of FIG. 4. 6 to 12 are right side views showing the operating steps of the print head positioning mechanism according to the present invention, and FIG. 13 is a diagram showing an example of a pulse chart according to the present invention. 17.18... Side frame, 19... Platen, 20.21... Guide shaft, 22.23...
Eccentric cam, 24... Carriage frame, 25...
Print head, 26... Tip surface, 27... Ribbon protector, 28... First gear, 29... Shaft, 30...
... Swing gear, 31... Second gear, 32... Leaf spring, 33... Pin, 34... Limiter, 35...
Pulse motor, 38... Rotating shaft, 39... Third gear, 40... Printing paper. cloudy 7 figure 3538 8
Claims (1)
転可能に支持したサイドフレームと、該サイドフレーム
に設けられたカム受穴に回転可能に嵌込まれた偏心カム
と、該偏心カムを取付けたガイドシャフトと、前記プラ
テンと平行して走行できるように前記ガイドシャフトに
取付けられたキャリッジフレームと、このキャリッジフ
レーム上に固定された印字ヘッド及びリボンプロテクタ
とを備えたワイヤドツトプリンタ装置に用いられる印字
ヘッド位置決め機構であって、前記偏心カムと一体に第
１の陀ヤを設け、該第１のギヤと噛合う第２のギヤを軸
支すると共に該第２のギヤの回転負荷トルクとなる板バ
ネを固定した略扇状の揺動ギヤを前記第１のギヤの中心
部に設けられた軸に回転可能に取付け、また前記サイド
フレームにはパルスモータを固定して、このパルスモー
タの回転軸に前記揺動ギヤと噛合う第３のギヤを取付け
たことを特徴とする印字ヘッド位置決め機構。A platen on which printing paper is set, a side frame that rotatably supports the platen, an eccentric cam rotatably fitted into a cam receiving hole provided in the side frame, and a guide to which the eccentric cam is attached. Print head positioning used in a wire dot printer device comprising a shaft, a carriage frame attached to the guide shaft so as to run parallel to the platen, and a print head and ribbon protector fixed on the carriage frame. The mechanism includes a first gear provided integrally with the eccentric cam, and a leaf spring that pivotally supports a second gear meshing with the first gear and serves as a rotational load torque of the second gear. A fixed substantially fan-shaped swing gear is rotatably attached to a shaft provided at the center of the first gear, a pulse motor is fixed to the side frame, and the swing gear is attached to the rotating shaft of the pulse motor. A print head positioning mechanism characterized by being equipped with a third gear that meshes with a moving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2362082U JPS58128049U (en) | 1982-02-23 | 1982-02-23 | Print head positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2362082U JPS58128049U (en) | 1982-02-23 | 1982-02-23 | Print head positioning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58128049U true JPS58128049U (en) | 1983-08-30 |
| JPS633821Y2 JPS633821Y2 (en) | 1988-01-29 |
Family
ID=30035650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2362082U Granted JPS58128049U (en) | 1982-02-23 | 1982-02-23 | Print head positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58128049U (en) |
-
1982
- 1982-02-23 JP JP2362082U patent/JPS58128049U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS633821Y2 (en) | 1988-01-29 |
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