JPS60149025U - Dustproof structure of push button switch - Google Patents

Dustproof structure of push button switch

Info

Publication number
JPS60149025U
JPS60149025U JP3523084U JP3523084U JPS60149025U JP S60149025 U JPS60149025 U JP S60149025U JP 3523084 U JP3523084 U JP 3523084U JP 3523084 U JP3523084 U JP 3523084U JP S60149025 U JPS60149025 U JP S60149025U
Authority
JP
Japan
Prior art keywords
push button
button switch
key housing
dome
elastic body
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.)
Pending
Application number
JP3523084U
Other languages
Japanese (ja)
Inventor
文雄 渡辺
Original Assignee
エスエムケイ株式会社
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 エスエムケイ株式会社 filed Critical エスエムケイ株式会社
Priority to JP3523084U priority Critical patent/JPS60149025U/en
Publication of JPS60149025U publication Critical patent/JPS60149025U/en
Pending 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 drawings]

第１図は本考案に係る押釦スイッチの防塵機構の一実施
例を示す縦断面図、第２図は同じく回路　　　　　。 パターンの要部を抽出して示す平面図である。 １・・・押釦スイッチ、２・・・キーハウジング、３・
・・ドーム状弾性体、−４・・・キーステム、５・・・
キートップ、７・・・プリント配線板、８・・・固定接
点、９・・・防５塵パターン、１０・・・可動接点。FIG. 1 is a longitudinal sectional view showing an embodiment of the dustproof mechanism for a push button switch according to the present invention, and FIG. 2 is a circuit diagram of the same. FIG. 3 is a plan view showing an extracted main part of a pattern. 1...Push button switch, 2...Key housing, 3...
...Dome-shaped elastic body, -4...Key stem, 5...
Key top, 7... Printed wiring board, 8... Fixed contact, 9... Dustproof pattern 5, 10... Movable contact.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] プリント配線板の表面に印刷された回路パターンと、こ
の回路パターンに形成された固定接点と、前記プリント
配線板上に載置されたキーハウジングと、このキーハウ
ジング内に収容され、前記固定接点に接離する可動接点
を有するドーム状弾性体と、このドーム状弾性体上に設
けられた押圧部材とよりなる押釦スイッチにおいて、前
記回路パターンには固定接点の周囲にキーハウジングの
底面周囲が密着する防塵パターンを形成したことを特徴
とする押釦スイッチの防塵構造。A circuit pattern printed on the surface of a printed wiring board, a fixed contact formed on the circuit pattern, a key housing placed on the printed wiring board, and a key housing housed in the key housing and connected to the fixed contact. In a push button switch comprising a dome-shaped elastic body having a movable contact that moves toward and away from the dome-shaped elastic body, and a pressing member provided on the dome-shaped elastic body, the periphery of the bottom surface of the key housing is in close contact with the circuit pattern around the fixed contact. A dustproof structure for a push button switch characterized by a dustproof pattern.
JP3523084U 1984-03-14 1984-03-14 Dustproof structure of push button switch Pending JPS60149025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3523084U JPS60149025U (en) 1984-03-14 1984-03-14 Dustproof structure of push button switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3523084U JPS60149025U (en) 1984-03-14 1984-03-14 Dustproof structure of push button switch

Publications (1)

Publication Number Publication Date
JPS60149025U true JPS60149025U (en) 1985-10-03

Family

ID=30539320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3523084U Pending JPS60149025U (en) 1984-03-14 1984-03-14 Dustproof structure of push button switch

Country Status (1)

Country Link
JP (1) JPS60149025U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836520B2 (en) * 1979-11-27 1983-08-09 アウツ・ウント・ヘ−ルマン・メタルバ−レン−ウント・マシ−ネンフアブリク Heat exchanger for electronic circuit storage cabinet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836520B2 (en) * 1979-11-27 1983-08-09 アウツ・ウント・ヘ−ルマン・メタルバ−レン−ウント・マシ−ネンフアブリク Heat exchanger for electronic circuit storage cabinet

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