JPS61135394U

JPS61135394U -

Info

Publication number: JPS61135394U
Application number: JP1985017044U
Authority: JP
Priority date: 1985-02-12
Filing date: 1985-02-12
Publication date: 1986-08-23

Description

[Brief explanation of drawings]

第１図はこの考案に係る鍵盤スイツチの一実施
例を示す正面図、第２図は可撓性部材の斜視図、
第３図は動作を説明するための図、第４図はこの
考案の他の実施例を示す正面図、第５図はこの考
案の更に他の実施例を示す正面図、第６図はドー
ム状可撓性部材の従来例を示す一部破断斜視図で
ある。３……鍵、１１……プリント基板、１３……第
１のスイツチ、１４……第２のスイツチ、１５…
…可撓性部材、１５Ａ，１５Ｂ……本体、１５Ｃ
……脚部、１７……第１可動接点、１８……第２
可動接点、２０……第１固定接点、２１……第２
固定接点。 FIG. 1 is a front view showing an embodiment of a keyboard switch according to this invention, FIG. 2 is a perspective view of a flexible member,
Figure 3 is a diagram for explaining the operation, Figure 4 is a front view showing another embodiment of this invention, Figure 5 is a front view showing still another embodiment of this invention, and Figure 6 is a dome. FIG. 2 is a partially cutaway perspective view showing a conventional example of a shaped flexible member. 3...key, 11...printed circuit board, 13...first switch, 14...second switch, 15...
...Flexible member, 15A, 15B...Main body, 15C
... Leg part, 17 ... First movable contact, 18 ... Second
Movable contact, 20...first fixed contact, 21...second
Fixed contact.

Claims

[Scope of utility model registration request]

A flexible member that can be elastically deformed by extrusion molding, first and second movable contacts respectively disposed on the lower surface of the flexible member, and below the first and second movable contacts, respectively. The first and second fixed contacts are disposed close to each other and constitute first and second switches together with the contacts. A keyboard switch for an electronic musical instrument, characterized in that the switch is turned on and closed in sequence.