JPS58104651U - dot printing head - Google Patents
dot printing headInfo
- Publication number
- JPS58104651U JPS58104651U JP36382U JP36382U JPS58104651U JP S58104651 U JPS58104651 U JP S58104651U JP 36382 U JP36382 U JP 36382U JP 36382 U JP36382 U JP 36382U JP S58104651 U JPS58104651 U JP S58104651U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- print head
- permanent magnet
- free end
- printing head
- 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
- Impact Printers (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図は従来のドツト印字ヘッドを示す側断面図、第２
図は第１図におけるヨークの平面図、第３図は電磁石の
コアの配置を示す平面図、第４図は本考案の一実施例に
よるドツト印字ヘッドに用いられるヨークの平面図であ
る。
１・・・永久磁石、２・・・台板、３・・・電磁石、４
・・・コア、５・・・コイル、６・・・板バネ、８・・
・アーマチュア、９・・・印字ワイヤ、１５・・・ヨー
ク、１６・・・溝、１７・・・空隙。Figure 1 is a side sectional view showing a conventional dot print head;
3 is a plan view showing the arrangement of the core of an electromagnet, and FIG. 4 is a plan view of the yoke used in a dot print head according to an embodiment of the present invention. 1... Permanent magnet, 2... Base plate, 3... Electromagnet, 4
...core, 5...coil, 6...plate spring, 8...
- Armature, 9...Printing wire, 15...Yoke, 16...Groove, 17...Gap.
Claims (1)
環状の合板と、これらの内側において長円を成すように
配置された複数の電磁石と、各電磁石のコアに自由端を
対向させかつ基部を前記台板上に重ねた複数の板バネと
、各板バネの自由端に固着されたアーマチュアと、各ア
ーマチュアに取付けられた印字ワイヤと、前記板バネ上
に重ねられかつ中央部に前記各アーマチュアが入る複数
本の溝を放射状（花弁状）に設けたヨークとを備えたド
ツト印字ヘッドにおいて、各アーマチュアに作用する永
久磁石の磁束が一定となるように各溝の側面とアーマチ
ュアの側面との間の空隙の広さを変えたことを特徴とす
るドツト印字ヘッド。An annular permanent magnet, an annular plywood stacked on top of the permanent magnet, a plurality of electromagnets arranged to form an ellipse inside these, and a base with a free end facing the core of each electromagnet. a plurality of leaf springs stacked on the base plate; an armature fixed to the free end of each leaf spring; a printing wire attached to each armature; In a dot print head equipped with a yoke in which a plurality of grooves into which armatures are placed are arranged radially (petal-like), the side surfaces of each groove and the side surface of the armature are A dot print head characterized by varying the width of the gap between the dots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36382U JPS58104651U (en) | 1982-01-07 | 1982-01-07 | dot printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36382U JPS58104651U (en) | 1982-01-07 | 1982-01-07 | dot printing head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58104651U true JPS58104651U (en) | 1983-07-16 |
| JPS646290Y2 JPS646290Y2 (en) | 1989-02-17 |
Family
ID=30013444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36382U Granted JPS58104651U (en) | 1982-01-07 | 1982-01-07 | dot printing head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58104651U (en) |
-
1982
- 1982-01-07 JP JP36382U patent/JPS58104651U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS646290Y2 (en) | 1989-02-17 |
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