Patent ID: 8698028
Filing Date: 2014-04-15
Classification: H01H

Abstract:
1. A push-on switch comprising: a first contact plate including a projection at a center and a first terminal at an end thereof; a second contact plate facing a face of the projection of the first contact plate, and the second contact plate including an opening at a center and a second terminal at an end thereof; a spacer interposed between the first contact plate and the second contact plate for bonding them together; a dome-shaped movable contact including a protrusion protruding downward, for touching a top face of the second contact plate, wherein the protrusion faces the projection of the first contact plate via the opening with a predetermined space therebetween; an air opening that communicates between an inside and an outside of the movable contact; and a lid holding the movable contact and mounted on the top face of the second contact plate, wherein the protrusion is disposed in a position to come into contact with the projection when the movable contact is pushed and reversed downward, and wherein the air opening is formed of a slit provided to the second contact plate.