JPS5886689U - Keyboard device for electronic musical instruments - Google Patents

Keyboard device for electronic musical instruments

Info

Publication number
JPS5886689U
JPS5886689U JP18219181U JP18219181U JPS5886689U JP S5886689 U JPS5886689 U JP S5886689U JP 18219181 U JP18219181 U JP 18219181U JP 18219181 U JP18219181 U JP 18219181U JP S5886689 U JPS5886689 U JP S5886689U
Authority
JP
Japan
Prior art keywords
key
spring locking
electronic musical
keyboard device
keyboard frame
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
JP18219181U
Other languages
Japanese (ja)
Other versions
JPH0121356Y2 (en
Inventor
真二 熊野
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 JP18219181U priority Critical patent/JPS5886689U/en
Priority to US06/446,491 priority patent/US4476769A/en
Publication of JPS5886689U publication Critical patent/JPS5886689U/en
Application granted granted Critical
Publication of JPH0121356Y2 publication Critical patent/JPH0121356Y2/ja
Granted legal-status Critical Current

Links

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 the drawing]

第１図は従来の鍵盤装置における鍵タッチ感を説明する
ための図、第２図はこの考案に係る電子楽器の鍵盤装置
の一実施例を示す断面図、第３図は鍵の底面図、第４図
は鍵盤フレームのばね係止部を示す斜視図、第５図は座
屈に要する力と板ばねの長さ方向の変位との関係を示す
図、第６図は板ばねの座屈現象を説明するための図、第
７図はタッチ強さと押鍵深さの関係を示す図、第８図は
鍵のばね係止部を鍵の回動支点と鍵盤フレームのばね係
止部との間に位置させた場合における不都合を説明する
ための図、第９図ａ、　ｂ、　ｃはこの考案の他の実施
例を示す断面図、要部平面図および復帰用ばねの斜視図
である。 １０．５１・・・・・・鍵、１１，５６・・・・・・鍵
盤フレーム、１４，５０・・・・・・復帰用ばね、２０
．２１・・・・・・ばね係止部、５５・・・・・・孔（
ばね係止部）、５９ａ。 ５９ｂ・・・・・・凹部（ばね係止部）、０・・・・・
・回動支点。FIG. 1 is a diagram for explaining the key touch feeling in a conventional keyboard device, FIG. 2 is a sectional view showing an embodiment of the keyboard device for an electronic musical instrument according to this invention, and FIG. 3 is a bottom view of the keys. Figure 4 is a perspective view showing the spring locking part of the keyboard frame, Figure 5 is a diagram showing the relationship between the force required for buckling and the longitudinal displacement of the leaf spring, and Figure 6 is the buckling of the leaf spring. Figure 7 is a diagram to explain the phenomenon. Figure 7 is a diagram showing the relationship between touch strength and key depression depth. Figure 8 is a diagram showing the relationship between the key's spring locking part and the rotation fulcrum of the key and the spring locking part of the keyboard frame. Figures 9a, 9b, and 9c are sectional views showing other embodiments of this invention, a plan view of essential parts, and a perspective view of the return spring. . 10.51...Key, 11,56...Keyboard frame, 14,50...Returning spring, 20
．． 21... Spring locking part, 55... Hole (
spring locking portion), 59a. 59b... Concavity (spring locking part), 0...
・Rotation fulcrum.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鍵盤フレーム上に上下方向に回動自在に配設された鍵と
、一端が鍵に設けられたばね係止部に係止され、他端が
前記鍵盤フレームに設けられたばね係止部に係止され前
記鍵に常時復帰方向の回動習性を付与する復帰用ばねと
を具備してなり、前記鍵盤フレームのばね係止部は鍵の
回動支点部と鍵のばね係止部の間に設けられていること
を特徴とする電子楽器の鍵盤装置。A key is arranged on a keyboard frame so as to be freely rotatable in the vertical direction, one end is locked to a spring locking part provided on the key, and the other end is locked to a spring locking part provided on the keyboard frame. The keyboard frame is provided with a return spring that gives the key a habit of always rotating in the return direction, and the spring locking portion of the keyboard frame is provided between the rotation fulcrum of the key and the spring locking portion of the key. A keyboard device for an electronic musical instrument characterized by:
JP18219181U 1981-12-09 1981-12-09 Keyboard device for electronic musical instruments Granted JPS5886689U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18219181U JPS5886689U (en) 1981-12-09 1981-12-09 Keyboard device for electronic musical instruments
US06/446,491 US4476769A (en) 1981-12-09 1982-12-03 Keyboard apparatus in electronic musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18219181U JPS5886689U (en) 1981-12-09 1981-12-09 Keyboard device for electronic musical instruments

Publications (2)

Publication Number Publication Date
JPS5886689U true JPS5886689U (en) 1983-06-11
JPH0121356Y2 JPH0121356Y2 (en) 1989-06-26

Family

ID=29980337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18219181U Granted JPS5886689U (en) 1981-12-09 1981-12-09 Keyboard device for electronic musical instruments

Country Status (1)

Country Link
JP (1) JPS5886689U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63128397A (en) * 1986-11-18 1988-05-31 ヤマハ株式会社 Keyboard for electronic musical instrument

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5666987U (en) * 1979-10-26 1981-06-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5666987U (en) * 1979-10-26 1981-06-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63128397A (en) * 1986-11-18 1988-05-31 ヤマハ株式会社 Keyboard for electronic musical instrument

Also Published As

Publication number Publication date
JPH0121356Y2 (en) 1989-06-26

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