JPS5927598U - Pedal drive device for player piano - Google Patents

Pedal drive device for player piano

Info

Publication number
JPS5927598U
JPS5927598U JP12307282U JP12307282U JPS5927598U JP S5927598 U JPS5927598 U JP S5927598U JP 12307282 U JP12307282 U JP 12307282U JP 12307282 U JP12307282 U JP 12307282U JP S5927598 U JPS5927598 U JP S5927598U
Authority
JP
Japan
Prior art keywords
pedal
electromagnetic plunger
drive device
player piano
pedal drive
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
JP12307282U
Other languages
Japanese (ja)
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 JP12307282U priority Critical patent/JPS5927598U/en
Publication of JPS5927598U publication Critical patent/JPS5927598U/en
Pending legal-status Critical Current

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  • Electrophonic Musical Instruments (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図はこの考案に係るペダル駆動装置をグランド型自
動演奏ピアノに適用した場合の一実施例を示す要部の一
部破断側面図、第２図は同装置の縦断面図、第３図はス
トロークと時間の関係を示す図、第４図は推力とストロ
ークの関係を示す図である。 １０・・・ダンパー機構、２１・・・ダンパーペダル、
２５・・・ペダル突上棒、３０・・・ペダル駆動装置、
３１・・・第１の電磁プランジャ、３２・・・第２の電
磁プランジャ。Fig. 1 is a partially cutaway side view of the main parts showing an embodiment of the pedal drive device according to the invention applied to a grand player piano, Fig. 2 is a longitudinal sectional view of the device, and Fig. 3 4 is a diagram showing the relationship between stroke and time, and FIG. 4 is a diagram showing the relationship between thrust and stroke. 10... Damper mechanism, 21... Damper pedal,
25... Pedal thrust rod, 30... Pedal drive device,
31... First electromagnetic plunger, 32... Second electromagnetic plunger.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 下端がペダルに作動連結されたペダル突上棒にそれぞれ
嵌装配置された第１および第２の電磁プランジャを具備
してなり、前記第１の電磁プランジャは自動演素時に前
記ペダル突上棒を通常のペダル踏込操作による上昇移動
量のほぼ半分だけ上昇移動させ、第２の電磁プランジャ
は自動演奏時に前記第１の電磁プランジャによって上昇
移動された前記ペダル突上棒を通常のペダル踏入操作に
よる最高上昇位置まで上昇させ得ることを特徴とする自
動演奏ピアノのペダル駆動装置。A first electromagnetic plunger and a second electromagnetic plunger are respectively fitted to a pedal thrusting rod whose lower end is operatively connected to the pedal, and the first electromagnetic plunger engages the pedal thrusting rod during automatic performance. The second electromagnetic plunger moves the pedal up by approximately half the amount of upward movement caused by a normal pedal depression operation, and the second electromagnetic plunger moves the pedal thrust bar upwardly moved by the first electromagnetic plunger during automatic performance by a normal pedal depression operation. A pedal drive device for a player piano, characterized in that it can be raised to the highest raised position.
JP12307282U 1982-08-13 1982-08-13 Pedal drive device for player piano Pending JPS5927598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12307282U JPS5927598U (en) 1982-08-13 1982-08-13 Pedal drive device for player piano

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12307282U JPS5927598U (en) 1982-08-13 1982-08-13 Pedal drive device for player piano

Publications (1)

Publication Number Publication Date
JPS5927598U true JPS5927598U (en) 1984-02-21

Family

ID=30281075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12307282U Pending JPS5927598U (en) 1982-08-13 1982-08-13 Pedal drive device for player piano

Country Status (1)

Country Link
JP (1) JPS5927598U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03229299A (en) * 1990-02-02 1991-10-11 Yamaha Corp Automatic piano

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03229299A (en) * 1990-02-02 1991-10-11 Yamaha Corp Automatic piano

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