JPH0470697U

JPH0470697U -

Info

Publication number: JPH0470697U
Application number: JP11314390U
Authority: JP
Priority date: 1990-10-30
Filing date: 1990-10-30
Publication date: 1992-06-23

Description

[Brief explanation of the drawing]

第１図〜第７図はこの考案の第１実施例を適用
した電子鍵盤楽器を説明するためのもので、この
うち第１図はこの電子鍵盤楽器において押鍵操作
前の状態を示す要部の縦断側面図、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図は鍵を押鍵操作した
状態におけるハンマーアームの回動状態を示す図
、第５図〜第７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８図お
よび第９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説明するためのもので、第８
図はハンマーアームをハンマーガイド位置規制部
で支持した状態を示す縦断面図、第９図はこの第
２実施例において鍵を押鍵操作した状態における
ハンマーアームの回動状態を示す図、第１０図〜
第１２図はこの考案の第３実施例を適用した電子
鍵盤楽器を説明するためのもので、第１０図はこ
の電子鍵盤楽器において押鍵操作前の状態を示す
要部の縦断側面図、第１１図は第１図の−線
に沿う断面図、第１２図は鍵を押鍵操作した状態
におけるハンマーアームの回動状態を示す図であ
る。１……鍵盤シヤーシ、１１……鍵、２１……ス
トツパ片、４１，５５……ハンマーアーム、４２
……ハンマーアームの軸部、４４，５０，５６…
…ハンマーアームのスライド突起、４５……ハン
マーアームの後端部、４７，５７……ハンマーガ
イド位置規制部、５１……ハンマーアームの一部
分。 Figures 1 to 7 are for explaining an electronic keyboard instrument to which the first embodiment of this invention is applied. Of these, Figure 1 shows the main parts of this electronic keyboard instrument in a state before a key is pressed. Figure 2 is a longitudinal side view of Figure 1.
3 is a sectional view taken along the - line in FIG. 1, FIG. 4 is a diagram showing the rotating state of the hammer arm when the key is pressed, and FIGS. FIG. 7 is a diagram for explaining the key loads in this electronic keyboard instrument, and FIGS. 8 and 9 are diagrams for explaining the main parts of the electronic keyboard instrument to which the second embodiment of this invention is applied. So, the 8th
The figure is a longitudinal cross-sectional view showing the state in which the hammer arm is supported by the hammer guide position regulating part, FIG. 9 is a view showing the rotating state of the hammer arm when the key is pressed in this second embodiment, and FIG. figure~
FIG. 12 is for explaining an electronic keyboard instrument to which the third embodiment of this invention is applied, and FIG. FIG. 11 is a sectional view taken along the - line in FIG. 1, and FIG. 12 is a diagram showing the rotation state of the hammer arm when the key is pressed. 1... Keyboard chassis, 11... Key, 21... Stopper piece, 41, 55... Hammer arm, 42
...Shaft of hammer arm, 44, 50, 56...
... Slide protrusion of hammer arm, 45 ... Rear end of hammer arm, 47, 57 ... Hammer guide position regulating section, 51 ... Part of hammer arm.

Claims

[Claims for Utility Model Registration] (1) A keyboard equipped with a hammer arm that is rotatably disposed on a keyboard chassis and is rotatably displaced in response to the key press operation to apply an action load to the key. In the device, sliding projections are provided on both sides of the hammer arm, and a pair of hammer guide position regulating portions are provided on the keyboard chassis to slidably support the sliding projections and into which a portion of the hammer arm is inserted. A keyboard device characterized by: (2) A pair of stopper pieces for regulating at least the upper limit position of the key are provided oppositely on both sides of a key rotatably provided on the keyboard chassis, and the stopper pieces are rotatably displaced as the key is pressed. , a keyboard device including a hammer arm for applying an action load to the key, wherein a portion of the hammer arm is configured such that both sides thereof can be guided in the vertical direction along opposing surfaces of the pair of stopper pieces. A keyboard device characterized in that it is arranged between stopper pieces.