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.)
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 filedfiledCritical
Priority to JP571385UpriorityCriticalpatent/JPS61121645U/ja
Publication of JPS61121645UpublicationCriticalpatent/JPS61121645U/ja
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
H01H9/342—Venting arrangements for arc chutes
H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve
