JPS5927595U - Electromagnetic plunger for automatic piano - Google Patents

Electromagnetic plunger for automatic piano

Info

Publication number
JPS5927595U
JPS5927595U JP12194682U JP12194682U JPS5927595U JP S5927595 U JPS5927595 U JP S5927595U JP 12194682 U JP12194682 U JP 12194682U JP 12194682 U JP12194682 U JP 12194682U JP S5927595 U JPS5927595 U JP S5927595U
Authority
JP
Japan
Prior art keywords
electromagnetic plunger
yoke
button
push
iron core
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
Application number
JP12194682U
Other languages
Japanese (ja)
Other versions
JPH0114072Y2 (en
Inventor
善樹 西谷
繁 村松
Original Assignee
ヤマハ株式会社
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 ヤマハ株式会社 filed Critical ヤマハ株式会社
Priority to JP12194682U priority Critical patent/JPS5927595U/en
Publication of JPS5927595U publication Critical patent/JPS5927595U/en
Application granted granted Critical
Publication of JPH0114072Y2 publication Critical patent/JPH0114072Y2/ja
Granted legal-status Critical Current

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  • Electromagnets (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図は従来の電磁プランジャの一例を示す断面図、第
２図はこの考案に係る自動演奏ピアノ用電磁プランジャ
の一実施例を示す縦断面図、第３図は同プランジャの作
動時の要部正面図である。　　　　□２・・・コイルボ
ビン、３・・・ソレノイドコイル、４・・・可動鉄心、
５・・・ヨーク、６・・・鍵、１７・・・突上げボタン
、１９・・・脚部。Fig. 1 is a sectional view showing an example of a conventional electromagnetic plunger, Fig. 2 is a longitudinal sectional view showing an embodiment of the electromagnetic plunger for a self-playing piano according to this invention, and Fig. 3 shows the main points during operation of the plunger. FIG. □2... Coil bobbin, 3... Solenoid coil, 4... Moving iron core,
5... Yoke, 6... Key, 17... Push-up button, 19... Leg.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コイルボビンに巻回されたソレノイドコイルと、前記コ
イルボビンが収納されるヨークと、先端部に突上げボタ
ンを有して前記コイルボビンの中心孔に遊挿され前記ソ
レノイドコイルへの通電によって軸方向に移動されるこ
とにより前記突上げボタンが鍵を作動させる可動鉄心と
を具備してなり、前記突上げボタンは弾性を有する脚部
を一体に有し、この脚部が前記ヨークに通常当接して弾
性変形し、前記可動鉄心を初期位置に保持することを特
徴とする自動演奏ピアノ用電磁プランジャ。a solenoid coil wound around a coil bobbin; a yoke in which the coil bobbin is housed; Accordingly, the push-up button is provided with a movable iron core that operates the key, and the push-up button has an integral leg portion having elasticity, and the leg portion normally comes into contact with the yoke and is elastically deformed. An electromagnetic plunger for a self-playing piano, characterized in that the movable iron core is held at an initial position.
JP12194682U 1982-08-11 1982-08-11 Electromagnetic plunger for automatic piano Granted JPS5927595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12194682U JPS5927595U (en) 1982-08-11 1982-08-11 Electromagnetic plunger for automatic piano

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12194682U JPS5927595U (en) 1982-08-11 1982-08-11 Electromagnetic plunger for automatic piano

Publications (2)

Publication Number Publication Date
JPS5927595U true JPS5927595U (en) 1984-02-21
JPH0114072Y2 JPH0114072Y2 (en) 1989-04-25

Family

ID=30278919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12194682U Granted JPS5927595U (en) 1982-08-11 1982-08-11 Electromagnetic plunger for automatic piano

Country Status (1)

Country Link
JP (1) JPS5927595U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54138626U (en) * 1978-03-18 1979-09-26
JPS54173730U (en) * 1978-05-26 1979-12-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54138626U (en) * 1978-03-18 1979-09-26
JPS54173730U (en) * 1978-05-26 1979-12-07

Also Published As

Publication number Publication date
JPH0114072Y2 (en) 1989-04-25

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