Patent ID: 6951991
Filing Date: 2005-10-04
Classification: H01H

Abstract:
1. A movable contact for a push-on switch, having: an annular peripheral plate portion 2 ; a center plate portion 3 which is upward inflatingly curved; and connecting plate portions 4 , 4 which connect said peripheral plate portion and said center plate portion together, wherein said peripheral plate portion 2 is formed into a rectangular annular shape, a whole circumference of said rectangular annular peripheral plate portion 2 is upward inclined as advancing from an outer side edge toward an inner side edge, grounding parts 2 c , 2 c , 2 c , 2 c are formed in four corners of said peripheral plate portion, bent portions 2 e , 2 e which upward protrude are formed in middle portions of long side portions 2 a , 2 a , said connecting plate portions 4 , 4 are paired to connect an inner edge of the peripheral plate portion 2 to an outer edge of said center plate portion 3 on a center line X which is parallel to said long side portions 2 a , 2 a of said rectangular annular peripheral plate portion 2 , said connecting plate portions 4 , 4 are upward inclined as advancing from said peripheral plate portion 2 toward said center plate portion 3 , and, by an operation of depressing said center plate portion 3 , said pair of connecting plate portions 4 , 4 are inverted to a downward inclined state to make contact with first stationary contacts 11 , 11 which are in a same plane as a support surface of said rectangular annular peripheral plate portion 2 , and a center part of said center plate portion 3 is then inverted to a downward inflated state with using said pair of connecting plate portions 4 , 4 as fulcrums to make contact with a second stationary contact 12 which is in a same plane as the support surface of said rectangular annular peripheral plate portion 2 .