JPS62149092U - - Google Patents

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Publication number
JPS62149092U
JPS62149092U JP3626686U JP3626686U JPS62149092U JP S62149092 U JPS62149092 U JP S62149092U JP 3626686 U JP3626686 U JP 3626686U JP 3626686 U JP3626686 U JP 3626686U JP S62149092 U JPS62149092 U JP S62149092U
Authority
JP
Japan
Prior art keywords
button
push
electromagnetic plunger
row side
key
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
JP3626686U
Other languages
Japanese (ja)
Other versions
JPH0310550Y2 (en
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 JP1986036266U priority Critical patent/JPH0310550Y2/ja
Priority to US07/025,287 priority patent/US4741237A/en
Priority to DE8787302166T priority patent/DE3782753T2/en
Priority to EP87302166A priority patent/EP0237357B1/en
Publication of JPS62149092U publication Critical patent/JPS62149092U/ja
Application granted granted Critical
Publication of JPH0310550Y2 publication Critical patent/JPH0310550Y2/ja
Expired legal-status Critical Current

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  • Electromagnets (AREA)
  • Electrophonic Musical Instruments (AREA)

Description

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

第１図はこの考案に係るアクチユエータを組込
んだ鍵盤部の側断面図、第２図は同アクチユエー
タの要部平面図、第３図はアクチユエータの従来
例を示す斜視図である。 １…棚板、２…鍵、５，５Ａ，５Ｂ…電磁プラ
ンジヤ、６…ヨーク、１０…励磁コイル、１１…
可動鉄心、１３，１３Ａ，１３Ｂ…突上げボタン
、２０…長孔、２１…キードライブユニツト、２
３，２４…取付板、２５…連結板。 FIG. 1 is a side cross-sectional view of a keyboard section incorporating an actuator according to this invention, FIG. 2 is a plan view of essential parts of the actuator, and FIG. 3 is a perspective view showing a conventional example of the actuator. DESCRIPTION OF SYMBOLS 1... Shelf board, 2... Key, 5, 5A, 5B... Electromagnetic plunger, 6... Yoke, 10... Excitation coil, 11...
Movable iron core, 13, 13A, 13B... push-up button, 20... long hole, 21... key drive unit, 2
3, 24...Mounting plate, 25...Connecting plate.

Claims (1)

【実用新案登録請求の範囲】 それぞれ鍵の配列方向に長く延在して互いに対
向する前後一対の取付板と、これら一対の取付板
の内側面に千鳥状に配設された複数個の電磁プラ
ンジヤと、前記一対の取付板の下端部を連結する
連結板とでキードライブユニツトを構成し、 このキードライブユニツトを棚板に配設して各
電磁プランジヤの突上げボタンを各鍵の後端部下
面に対向させてなり、 前列側の電磁プランジヤの突上げボタンの上昇
ストロークを後列側の電磁プランジヤの突上げボ
タンの上昇ストロークより小さく設定し、かつ前
列側の電磁プランジヤの突上げボタンの初期位置
を後列側の電磁プランジヤの突上げボタンより前
記上昇ストロークの差だけ高く設定し、鍵下面と
の間隔をほぼ等しくしたことを特徴とする自動演
奏ピアノのアクチユエータ。[Claim for Utility Model Registration] A pair of front and rear mounting plates facing each other and extending long in the direction in which the keys are arranged, and a plurality of electromagnetic plungers arranged in a staggered manner on the inner surface of the pair of mounting plates. and a connecting plate that connects the lower ends of the pair of mounting plates to form a key drive unit, and this key drive unit is arranged on a shelf board so that the push-up button of each electromagnetic plunger can be connected to the rear end of each key. The upper stroke of the push-up button of the electromagnetic plunger on the front row side is set to be smaller than the rise stroke of the push-up button of the electromagnetic plunger on the rear row side, and the initial position of the push-up button of the electromagnetic plunger on the front row side is set to be opposite to the bottom surface. An actuator for a player piano, characterized in that the push-up button of the electromagnetic plunger on the rear row side is set higher by the difference in the upward stroke, and the distance from the lower surface of the key is approximately equal.
JP1986036266U 1986-03-14 1986-03-14 Expired JPH0310550Y2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1986036266U JPH0310550Y2 (en) 1986-03-14 1986-03-14
US07/025,287 US4741237A (en) 1986-03-14 1987-03-12 Actuator for automatic performance piano
DE8787302166T DE3782753T2 (en) 1986-03-14 1987-03-13 ACTIVATOR FOR AUTOMATICALLY PLAYING PIANO.
EP87302166A EP0237357B1 (en) 1986-03-14 1987-03-13 Actuator for automatic performance piano

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986036266U JPH0310550Y2 (en) 1986-03-14 1986-03-14

Publications (2)

Publication Number Publication Date
JPS62149092U true JPS62149092U (en) 1987-09-21
JPH0310550Y2 JPH0310550Y2 (en) 1991-03-15

Family

ID=30846510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986036266U Expired JPH0310550Y2 (en) 1986-03-14 1986-03-14

Country Status (1)

Country Link
JP (1) JPH0310550Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008040453A (en) * 2006-07-12 2008-02-21 Sega Toys:Kk Compact automatic music playing apparatus of small size and structure of driving driven element thereof
JP2008186008A (en) * 2007-01-05 2008-08-14 Yamaha Corp Electronic keyboard instrument

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4528929Y1 (en) * 1969-07-03 1970-11-07
JPS55157288U (en) * 1979-04-27 1980-11-12
JPS55167289U (en) * 1979-05-18 1980-12-01
JPS5920296U (en) * 1982-07-30 1984-02-07 ヤマハ株式会社 Actuator for self-playing piano

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5920296B2 (en) * 1980-09-18 1984-05-12 日本電信電話株式会社 Intermittent reception method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4528929Y1 (en) * 1969-07-03 1970-11-07
JPS55157288U (en) * 1979-04-27 1980-11-12
JPS55167289U (en) * 1979-05-18 1980-12-01
JPS5920296U (en) * 1982-07-30 1984-02-07 ヤマハ株式会社 Actuator for self-playing piano

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008040453A (en) * 2006-07-12 2008-02-21 Sega Toys:Kk Compact automatic music playing apparatus of small size and structure of driving driven element thereof
JP2008186008A (en) * 2007-01-05 2008-08-14 Yamaha Corp Electronic keyboard instrument

Also Published As

Publication number Publication date
JPH0310550Y2 (en) 1991-03-15

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