SWITCH GEAR

PROBLEM TO BE SOLVED: To reduce the number of components of at least two sets of switching mechanisms arranged in parallel, and curtail material cost and assembly man- hours to reduce cost. SOLUTION: Two sets of snap-action type switching mechanisms 2 having a moving lever 8 which has a moving conta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YONEZAWA TATSUSHI, KAJIO HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce the number of components of at least two sets of switching mechanisms arranged in parallel, and curtail material cost and assembly man- hours to reduce cost. SOLUTION: Two sets of snap-action type switching mechanisms 2 having a moving lever 8 which has a moving contact 7 at free end, a fixed terminal fixture 5 electrically connected to the moving lever 8, a fixed terminal fixture 6 having a fixed contact 11 facing the moving contact 7, and a snap spring 9 for opening/closing the moving lever 8 are arranged in parallel in a case 1. Both switching mechanisms 2 are driven with an integrally formed single cam member 10, and the moving lever 8 and the snap spring 9 in each switching mechanism 2 are integrally formed by blanking a spring plate, the base end of the snap spring 9 is engaged with the fixed terminal fixture 5, and the base end of the moving lever 8 is engaged with the cam member 10.