JPS6093239U

JPS6093239U - keyboard switch

Info

Publication number: JPS6093239U
Application number: JP18561383U
Authority: JP
Inventors: 精一村上
Original assignee: 日本電気株式会社
Priority date: 1983-12-02
Filing date: 1983-12-02
Publication date: 1985-06-25

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

[Brief explanation of drawings]

第１図ａおよびｂは、従来の代表的なキーボードスイッ
チにおけるそれぞれキートップの上った状態および押さ
れた状態の構造を示す側断面図、第２図は、第１図の従
来例の構造を示す分解斜視図、第３図ａおよびｂは、本
考案の実施例におけるそれぞれキートップの上った状態
および押された状態の構造を示す側断面図、第４図は、
第３図の実施例における弾性ばねの具体的な構造を示す
側断面図、第５図は、第３図の実施例の構造を示−す分
解斜視図、第６図は他の実施例に適用される弾性ばねの
具体的な構造を示す側断面図である。図において、１はキートップ、２はプランジャ、３は復
旧スプリング、４は筐体、５はアクチェータ、６はガイ
ド、７，２１はスペーサ、８゜２２は弾性ばね、９は可
動接点ばね、１０．１１は端子、１２は固定接点、２２
ａ、２２’ａは金属層、２２ｂ、２２’ｂばゴム層であ
る。第２図　　　　　　　　　　第３図第５図Figures 1a and b are side sectional views showing the structure of a typical conventional keyboard switch with the key top in the up position and the pressed position, respectively, and Figure 2 is the structure of the conventional example shown in Figure 1. FIGS. 3a and 3b are side sectional views showing the structure of the key top in the up state and the pressed state, respectively, in the embodiment of the present invention, and FIG. 4 is an exploded perspective view showing the key top.
FIG. 3 is a sectional side view showing the specific structure of the elastic spring in the embodiment shown in FIG. 3, FIG. 5 is an exploded perspective view showing the structure of the embodiment shown in FIG. FIG. 3 is a side sectional view showing a specific structure of an applied elastic spring. In the figure, 1 is a key top, 2 is a plunger, 3 is a recovery spring, 4 is a housing, 5 is an actuator, 6 is a guide, 7 and 21 are spacers, 8°22 is an elastic spring, 9 is a movable contact spring, and 10 .11 is a terminal, 12 is a fixed contact, 22
a and 22'a are metal layers, and 22b and 22'b are rubber layers. Figure 2 Figure 3 Figure 5

Claims

[Scope of utility model registration request]

a key top, a plunger fixed to the lower part of the key top, an elastic spring provided at the lower part of the plunger that is reversely displaced when the plunger is lowered by depression of the key top, and closed by the reverse displacement of the elastic spring. 1. A keyboard switch comprising a contact point comprising a metal layer and a rubber layer, wherein the elastic spring is formed by polymerizing at least a portion of a metal layer and a rubber layer.