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
Application number
JP8460085U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP8460085U priority Critical patent/JPS61200241U/ja
Publication of JPS61200241U publication Critical patent/JPS61200241U/ja
Pending legal-status Critical Current

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  • Impact Printers (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 底付き円筒状の主ヨーク底面に立設された複数
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.
JP8460085U 1985-06-06 1985-06-06 Pending JPS61200241U (en)

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)

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