JPS644497U - - Google Patents
Info
- Publication number
- JPS644497U JPS644497U JP9824887U JP9824887U JPS644497U JP S644497 U JPS644497 U JP S644497U JP 9824887 U JP9824887 U JP 9824887U JP 9824887 U JP9824887 U JP 9824887U JP S644497 U JPS644497 U JP S644497U
- Authority
- JP
- Japan
- Prior art keywords
- key
- drive mechanism
- electromagnetic
- top surface
- performance device
- 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
Links
Landscapes
- Electrophonic Musical Instruments (AREA)
Description
第１図は本考案に係るピアノ自動演奏装置の鍵
駆動機構の一実施例を示すその概略正面図、第２
図は一実施例の作用を説明するための概略側面図
、第３図は一実施例に係る鍵駆動機構をピアノに
取り付けた状態を示すその斜視図、第４図は一実
施例に係る電磁アクチユエータを示すその概略正
面断面図、第５図は一実施例に係るキードライブ
ユニツトの側面図、第６図は一実施例に係るキー
ドライブユニツトのピアノ本体への取付状態を示
すその概略分解斜視図、第７図は従来のピアノ自
動演奏装置を示すその概略正面図、第８図はその
従来のピアノ自動演奏装置の概略側面図である。
２１……ピアノ本体、２３……鍵盤、２５……
鍵駆動機構（キードライブユニツト）、２７……
鍵、２９……電磁アクチユエータ、３３……フレ
ーム、５５……電磁プランジヤ、５７……パツド
（先端）。
FIG. 1 is a schematic front view showing one embodiment of the key drive mechanism of the automatic piano performance device according to the present invention;
The figure is a schematic side view for explaining the operation of one embodiment, FIG. 3 is a perspective view showing the state in which the key drive mechanism according to one embodiment is attached to a piano, and FIG. 4 is an electromagnetic key drive mechanism according to one embodiment. FIG. 5 is a side view of a key drive unit according to an embodiment, and FIG. 6 is a schematic exploded perspective view showing the key drive unit in an attached state to a piano body according to an embodiment. 7 is a schematic front view of a conventional automatic piano performance device, and FIG. 8 is a schematic side view of the conventional automatic piano performance device. 21... Piano body, 23... Keyboard, 25...
Key drive mechanism (key drive unit), 27...
Key, 29... Electromagnetic actuator, 33... Frame, 55... Electromagnetic plunger, 57... Pad (tip).
Claims (1)
応して配設されるとともに、鍵の上面に当接して
この鍵を押し下げる電磁プランジヤを有する複数
の電磁アクチユエータと、 これらの電磁アクチユエータを支持するフレー
ムとを備えたピアノ自動演奏装置の鍵駆動機構に
おいて、 鍵の押下げ時、上記電磁プランジヤの先端がそ
の最下端位置に位置するとき、鍵の上面が、その
電磁プランジヤの先端よりも所定の間隔を有して
その下方に位置することができるようにしたこと
を特徴とするピアノ自動演奏装置の鍵駆動機構。[Scope of Claim for Utility Model Registration] A plurality of electromagnetic actuators each having an electromagnetic plunger that is arranged above a piano keyboard and corresponds to each key, and that comes into contact with the top surface of the key to push down the key; In a key drive mechanism for an automatic piano performance device, which includes a frame supporting an electromagnetic actuator, when the key is pressed down and the tip of the electromagnetic plunger is located at its lowest position, the top surface of the key is aligned with the top surface of the electromagnetic plunger. A key drive mechanism for an automatic piano performance device, characterized in that the key drive mechanism can be positioned below the tip with a predetermined distance therebetween.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987098248U JPH0521115Y2 (en) | 1987-06-26 | 1987-06-26 | |
| US07/124,998 US4843936A (en) | 1986-11-26 | 1987-11-24 | Automatic music player system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987098248U JPH0521115Y2 (en) | 1987-06-26 | 1987-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS644497U true JPS644497U (en) | 1989-01-11 |
| JPH0521115Y2 JPH0521115Y2 (en) | 1993-05-31 |
Family
ID=31324343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987098248U Expired - Lifetime JPH0521115Y2 (en) | 1986-11-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521115Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7355109B2 (en) | 2004-04-21 | 2008-04-08 | Yamaha Corporation | Separate automatic player driving keys and pedals of keyboard musical instrument |
| JP4736883B2 (en) * | 2006-03-22 | 2011-07-27 | ヤマハ株式会社 | Automatic performance device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5895789U (en) * | 1981-12-24 | 1983-06-29 | 池田物産株式会社 | Water stop valve |
| JPS58175586U (en) * | 1982-05-18 | 1983-11-24 | ヤマハ株式会社 | automatic piano performance device |
| JPS5997194A (en) * | 1982-11-26 | 1984-06-04 | ヤマハ株式会社 | Solenoid driving for automatic piano performer |
-
1987
- 1987-06-26 JP JP1987098248U patent/JPH0521115Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5895789U (en) * | 1981-12-24 | 1983-06-29 | 池田物産株式会社 | Water stop valve |
| JPS58175586U (en) * | 1982-05-18 | 1983-11-24 | ヤマハ株式会社 | automatic piano performance device |
| JPS5997194A (en) * | 1982-11-26 | 1984-06-04 | ヤマハ株式会社 | Solenoid driving for automatic piano performer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7355109B2 (en) | 2004-04-21 | 2008-04-08 | Yamaha Corporation | Separate automatic player driving keys and pedals of keyboard musical instrument |
| JP4736883B2 (en) * | 2006-03-22 | 2011-07-27 | ヤマハ株式会社 | Automatic performance device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521115Y2 (en) | 1993-05-31 |