JPS63155199U - - Google Patents

Info

Publication number
JPS63155199U
JPS63155199U JP4779487U JP4779487U JPS63155199U JP S63155199 U JPS63155199 U JP S63155199U JP 4779487 U JP4779487 U JP 4779487U JP 4779487 U JP4779487 U JP 4779487U JP S63155199 U JPS63155199 U JP S63155199U
Authority
JP
Japan
Prior art keywords
keyboard
action member
locking point
support shaft
leaf spring
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
JP4779487U
Other languages
Japanese (ja)
Other versions
JPH0440236Y2 (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 JP1987047794U priority Critical patent/JPH0440236Y2/ja
Publication of JPS63155199U publication Critical patent/JPS63155199U/ja
Application granted granted Critical
Publication of JPH0440236Y2 publication Critical patent/JPH0440236Y2/ja
Expired legal-status Critical Current

Links

Description

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

図面は本考案に係る電子楽器の鍵盤機構の１実
施例を示すもので第１図は断面説明図、第２図は
要部拡大説明図、第３図ａ，ｂ，ｃは作用説明図
、第４図は押鍵特性曲線を示すグラフである。 １…鍵盤、２…アクシヨン部材、３…板ばね、
４…支軸、Ｇ…ばねの反発力線、Ｈ…直線。 The drawings show one embodiment of the keyboard mechanism of an electronic musical instrument according to the present invention, in which Fig. 1 is a cross-sectional explanatory view, Fig. 2 is an enlarged explanatory view of main parts, and Fig. 3 a, b, and c are explanatory views of the operation. FIG. 4 is a graph showing a key press characteristic curve. 1... Keyboard, 2... Action member, 3... Leaf spring,
4... Support shaft, G... Spring repulsive force line, H... Straight line.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シーソー式に支持された鍵盤１の後端部上位に
、その動きに応動しかつ鍵操作時に荷重を与える
アクシヨン部材２の自由端を当接し、非操作時及
び操作途中までは鍵盤１の操作端を押上げる方向
へ作用する彎曲状の板ばね３の一端をアクシヨン
部材２の支軸４より後方の部位に係止し、板ばね
３は、前記一端の係止点と他端係止点を結ぶその
反発力線Ｇが、他端係止点とアクシヨン部材２の
支軸４を通る直線Ｈを鍵操作中に越える位置に取
付けられている電子楽器の鍵盤機構。 The free end of an action member 2 that responds to the movement of the keyboard 1 and applies a load when the key is operated is in contact with the upper rear end of the keyboard 1 supported in a seesaw manner, and the operating end of the keyboard 1 is held in place during non-operation and during key operation. One end of a curved leaf spring 3 that acts in the direction of pushing up is locked to a portion of the action member 2 that is rearward of the support shaft 4, and the leaf spring 3 has a locking point at one end and a locking point at the other end. The keyboard mechanism of an electronic musical instrument is installed at a position where the connecting repulsive force line G crosses a straight line H passing through the other end locking point and the support shaft 4 of the action member 2 during key operation.
JP1987047794U 1987-03-30 1987-03-30 Expired JPH0440236Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987047794U JPH0440236Y2 (en) 1987-03-30 1987-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987047794U JPH0440236Y2 (en) 1987-03-30 1987-03-30

Publications (2)

Publication Number Publication Date
JPS63155199U true JPS63155199U (en) 1988-10-12
JPH0440236Y2 JPH0440236Y2 (en) 1992-09-21

Family

ID=30868737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987047794U Expired JPH0440236Y2 (en) 1987-03-30 1987-03-30

Country Status (1)

Country Link
JP (1) JPH0440236Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005049697A (en) * 2003-07-30 2005-02-24 Kawai Musical Instr Mfg Co Ltd Keystroke device of piano
JP2011070109A (en) * 2009-09-28 2011-04-07 Kawai Musical Instr Mfg Co Ltd Keyboard device of electronic keyboard instrument

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025088U (en) * 1983-07-28 1985-02-20 三菱重工業株式会社 signal transmitter
JPS60107995U (en) * 1983-12-24 1985-07-23 株式会社鈴木楽器製作所 Keyboard device for electronic musical instruments
JPS61261797A (en) * 1985-05-16 1986-11-19 松下電器産業株式会社 Keyboard unit for electronic musical instrument

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025088U (en) * 1983-07-28 1985-02-20 三菱重工業株式会社 signal transmitter
JPS60107995U (en) * 1983-12-24 1985-07-23 株式会社鈴木楽器製作所 Keyboard device for electronic musical instruments
JPS61261797A (en) * 1985-05-16 1986-11-19 松下電器産業株式会社 Keyboard unit for electronic musical instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005049697A (en) * 2003-07-30 2005-02-24 Kawai Musical Instr Mfg Co Ltd Keystroke device of piano
JP2011070109A (en) * 2009-09-28 2011-04-07 Kawai Musical Instr Mfg Co Ltd Keyboard device of electronic keyboard instrument

Also Published As

Publication number Publication date
JPH0440236Y2 (en) 1992-09-21

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