Arc-extinguishing system for a contact switching apparatus

An arc-extinguishing system for a contact switching apparatus having a plurality pieces of grid plate for arc extinction arranged outside the contact switching apparatus so as to be substantially vertical to a movable contact, and an arc box as well as an arc cover for covering the contact switching...

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1. Verfasser:	YAMAMOTO KYOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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creator	YAMAMOTO KYOICHI
description	An arc-extinguishing system for a contact switching apparatus having a plurality pieces of grid plate for arc extinction arranged outside the contact switching apparatus so as to be substantially vertical to a movable contact, and an arc box as well as an arc cover for covering the contact switching apparatus as well as arc-extinguishing grid plates, in which a thin-plate rib extending in a direction of an array of the arc-extinguishing grid plates is provided on the arc cover made of resin having elasticity, and the arc-extinguishing grid plates are fixed to the thin-plate rib by being pressed against end surfaces of the arc-extinguishing grid plates through connecting of the arc box to the arc cover.
format	Patent
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subjects	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
title	Arc-extinguishing system for a contact switching apparatus
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