JPH0470698U

JPH0470698U -

Info

Publication number: JPH0470698U
Application number: JP11314490U
Authority: JP
Priority date: 1990-10-30
Filing date: 1990-10-30
Publication date: 1992-06-23
Anticipated expiration: 2005-10-30
Also published as: JP2547150Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の第１実施例を適用した電子
鍵盤楽器の要部を示す縦断側面図、第２図は第１
図の−線に沿う断面図、第３図は第１図の
−線に沿う断面図、第４図〜第６図はそれぞれ
この電子鍵盤楽器における鍵荷重を説明するため
に示す図、第７図はこの考案の第２実施例を適用
した電子鍵盤楽器の要部を示す縦断側面図、第８
図はこの第２実施例における鍵荷重を説明するた
めに示す図、第９図はこの考案の第３実施例を適
用した電子鍵盤楽器の要部を示す縦断側面図、第
１０図はこの考案の第４実施例を適用した電子鍵
盤楽器の要部を示す縦断側面図、第１１図はこの
考案の第５実施例を適用した電子鍵盤楽器の要部
を示す縦断側面図である。１……鍵盤シヤーシ、１１……鍵、３３，３４
……ゴムスイツチ（楽音発生開始指示手段）、４
１……ハンマーアーム、４２……ハンマーアーム
の軸部、４３……ハンマーアームの摺接用突起、
４５……鍵盤シヤーシの水平な上面、５１……ク
リツク感付与用突起、５２……クリツク感付与用
凹部、６１……ハンマーアームのスイツチ押圧部
。 FIG. 1 is a longitudinal side view showing the main parts of an electronic keyboard instrument to which the first embodiment of this invention is applied, and FIG.
3 is a sectional view taken along the - line in FIG. 1, FIGS. 4 to 6 are diagrams shown to explain the key load in this electronic keyboard instrument, and FIG. The figure is a longitudinal side view showing the main parts of an electronic keyboard instrument to which the second embodiment of this invention is applied.
The figure is a diagram shown to explain the key load in this second embodiment, FIG. 9 is a vertical cross-sectional side view showing the main parts of an electronic keyboard instrument to which the third embodiment of this invention is applied, and FIG. 10 is a diagram showing this invention. FIG. 11 is a longitudinal sectional side view showing the main parts of an electronic keyboard instrument to which the fourth embodiment of the invention is applied, and FIG. 11 is a longitudinal sectional side view showing the main parts of the electronic keyboard instrument to which the fifth embodiment of this invention is applied. 1...Keyboard chassis, 11...Key, 33, 34
...Rubber switch (means for instructing the start of musical sound generation), 4
DESCRIPTION OF SYMBOLS 1...Hammer arm, 42...Shaft portion of hammer arm, 43...Sliding contact protrusion of hammer arm,
45...Horizontal upper surface of the keyboard chassis, 51...Protrusion for imparting a click sensation, 52...Recess for imparting a click sensation, 61...Switch pressing portion of the hammer arm.

Claims

[Claims for Utility Model Registration] (1) A keyboard device equipped with a hammer arm that is rotatably displaced in accordance with the pressing operation of a key provided on a keyboard chassis and applies an action load to the key, A keyboard device, characterized in that the hammer arm is rotatably attached to the key, and the hammer arm is brought into sliding contact with the upper surface of the keyboard chassis. (2) The hammer arm is provided with a pressing portion that presses a musical sound generation start instructing means that outputs a musical sound generation instruction signal by pressing the key, and activates the musical sound generation start instructing means. The keyboard device according to claim 1. (3) The upper surface of the keyboard chassis is provided with a click feeling for the sliding contact portion of the hammer arm that slides into contact with the upper surface of the keyboard chassis when the hammer arm is rotated in response to the key depression operation. 3. The keyboard device according to claim 1, further comprising a click feeling imparting section for imparting a click feeling.