JPS61200241U - - Google Patents
Info
- Publication number
- JPS61200241U JPS61200241U JP8460085U JP8460085U JPS61200241U JP S61200241 U JPS61200241 U JP S61200241U JP 8460085 U JP8460085 U JP 8460085U JP 8460085 U JP8460085 U JP 8460085U JP S61200241 U JPS61200241 U JP S61200241U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- rear end
- auxiliary yoke
- yoke
- uniform
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Impact Printers (AREA)
Description
第1図は本考案の実施例の主要断面図、第2図
は印字ワイヤ及び接極子の配列を示す図、第3図
及び第4図は補助ヨークの形状を示す図、第5図
は接極子後端部の補助ヨークに対する係合状態を
示す図である。
2……ヨーク、3……主ヨーク、4……永久磁
石、5……補助ヨーク、6……電磁石、7……電
磁石コア、8……励磁コイル、11……接極子ガ
イド、14……印字ワイヤ、15……接極子、1
6……印字ばね、22……ワイヤガイド。
Figure 1 is a main sectional view of the embodiment of the present invention, Figure 2 is a diagram showing the arrangement of printing wires and armatures, Figures 3 and 4 are diagrams showing the shape of the auxiliary yoke, and Figure 5 is a diagram showing the arrangement of the armature. FIG. 6 is a diagram showing a state in which the rear end of the pole element is engaged with the auxiliary yoke. 2... Yoke, 3... Main yoke, 4... Permanent magnet, 5... Auxiliary yoke, 6... Electromagnet, 7... Electromagnet core, 8... Excitation coil, 11... Armature guide, 14... Printed wire, 15... Armature, 1
6... Printing spring, 22... Wire guide.
Claims (1)
の電磁石コアの各々に対設された複数の印字ワイ
ヤを作動する接極子を各印字ワイヤの両端部が前
記接極子の動作方向中心線上にあり且つ両端部間
距離が均一となる如く楕円状に配列し、前記接極
子後端部が係合する補助ヨークを内周面が楕円又
は多角形の板状をなし各接極子後端部の補助ヨー
クに対する係合長さが均一となる如く形成したこ
とを特徴とするワイヤドツト式印字ヘツド。 An armature that operates a plurality of printing wires arranged opposite to each of a plurality of electromagnetic cores erected on the bottom surface of a cylindrical main yoke with a bottom is arranged such that both ends of each printing wire are on the center line in the operating direction of the armature. The auxiliary yoke, which the rear end of the armature engages with, is arranged in an elliptical shape so that the distance between both ends is uniform, and the auxiliary yoke, with which the rear end of the armature engages, has a plate shape with an elliptical or polygonal inner peripheral surface, and the rear end of each armature has a plate shape. A wire dot type print head characterized in that the length of engagement with the auxiliary yoke is uniform.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8460085U JPS61200241U (en) | 1985-06-06 | 1985-06-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8460085U JPS61200241U (en) | 1985-06-06 | 1985-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61200241U true JPS61200241U (en) | 1986-12-15 |
Family
ID=30634254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8460085U Pending JPS61200241U (en) | 1985-06-06 | 1985-06-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61200241U (en) |
-
1985
- 1985-06-06 JP JP8460085U patent/JPS61200241U/ja active Pending
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