JPS5938051U - Print head needle bounce prevention mechanism - Google Patents

Print head needle bounce prevention mechanism

Info

Publication number
JPS5938051U
JPS5938051U JP13338182U JP13338182U JPS5938051U JP S5938051 U JPS5938051 U JP S5938051U JP 13338182 U JP13338182 U JP 13338182U JP 13338182 U JP13338182 U JP 13338182U JP S5938051 U JPS5938051 U JP S5938051U
Authority
JP
Japan
Prior art keywords
print head
prevention mechanism
bounce prevention
head needle
armature
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
JP13338182U
Other languages
Japanese (ja)
Inventor
藤原　敏甫
弘 菊池
Original Assignee
日本電産コパル株式会社
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 by 日本電産コパル株式会社 filed Critical 日本電産コパル株式会社
Priority to JP13338182U priority Critical patent/JPS5938051U/en
Publication of JPS5938051U publication Critical patent/JPS5938051U/en
Pending legal-status Critical Current

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  • 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

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

第１図は従来例のプリントヘッドにおけるアーマチュア
（ニードル）の動作軌跡を示す説明図、第２図は本考案
に係るプリントヘッドの実施例の側断面図、第３図、第
４図は第２図に示す板バネ１１と圧縮コイルバネ１６の
減貴曲線図、第５図は第２図におけるプリントヘッドの
アーマチュア（ニードル）の動作軌跡を示す説明図であ
る。 １・・・・・・第１のヨーク、２・・・・・・カバー板
、３・・・・・・鉄芯、４……コイルボビン、５・・・
龜・・コイル、卜番・・・・第２のヨーク、９・・・・
・・ストッパ、１１・・・・・・板バネ、１２・・・＝
・・アーマチュア、１３・・・・・・ニードル、１６・
・・・・・圧縮ヲィルバネ。FIG. 1 is an explanatory diagram showing the movement trajectory of the armature (needle) in a conventional print head, FIG. 2 is a side sectional view of an embodiment of the print head according to the present invention, and FIGS. FIG. 5 is an explanatory diagram showing the operating trajectory of the armature (needle) of the print head in FIG. 2. 1...First yoke, 2...Cover plate, 3...Iron core, 4...Coil bobbin, 5...
Bell: coil, number: second yoke, 9...
...stopper, 11...plate spring, 12...=
... Armature, 13 ... Needle, 16.
... Compression spring.

Claims (1)

【実用新案登録請求の範囲】 電磁石が励磁することにより吸引されて動作し、該電磁
石が消磁することによりバカ力によって復帰するアーマ
チュアと、 該アーマチュアと対を成すニードルと、該アーマチュア
の復帰位置に配置されるストッパと、から成るプリント
ヘッドにおいて、′　　　　該バネとはバネ定数の異な
る復帰用のバネを更′に配置したことを特徴とするニー
ドルバウンド防止機構。[Scope of Utility Model Registration Claim] An armature that is attracted and operated when an electromagnet is excited and returns to its original position by force when the electromagnet is demagnetized, a needle that is paired with the armature, and a needle that is in the return position of the armature. 1. A needle bounce prevention mechanism, comprising: a stopper arranged in the print head; and a return spring having a spring constant different from that of the spring.
JP13338182U 1982-09-02 1982-09-02 Print head needle bounce prevention mechanism Pending JPS5938051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13338182U JPS5938051U (en) 1982-09-02 1982-09-02 Print head needle bounce prevention mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13338182U JPS5938051U (en) 1982-09-02 1982-09-02 Print head needle bounce prevention mechanism

Publications (1)

Publication Number Publication Date
JPS5938051U true JPS5938051U (en) 1984-03-10

Family

ID=30300892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13338182U Pending JPS5938051U (en) 1982-09-02 1982-09-02 Print head needle bounce prevention mechanism

Country Status (1)

Country Link
JP (1) JPS5938051U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234944A (en) * 1986-04-04 1987-10-15 Canon Inc Wire dot head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234944A (en) * 1986-04-04 1987-10-15 Canon Inc Wire dot head

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