Patent ID: 7656268
Filing Date: 2010-02-02
Classification: H01H

Abstract:
1. A switch comprising: a body with a top opening and a switch member pivotably engaged with the top opening of the body, a guide path defined in an inside of the body, a first terminal and a second terminal extending through a bottom of the body; a link having a first end pivotably connected to an underside of a first end of the switch member and a second end of the link movably received in the guide path, the switch member having an extension extending from a second end of the underside thereof; a contact plate being a curve flexible metal plate and having a first end fixed to the first terminal and a second end of the contact plate being a free end, a contact portion split from the contact plate and a first contact point connected to an underside of the contact portion, a free first end of the contact portion located above a top surface of the contact plate and connected with a free first end of a spring member, a second end of the spring member connected to the contact plate, a second contact point connected to the second terminal and located beneath the first contact point on the contact portion, the second end of the contact plate and the second end of the contact portion being deformed in opposite directions when being heated, the extension of the switch member located above the second end of the contact plate and pressing the second end of the contact plate downward when the switch member is in “OFF” position, when the second end of the switch member being pushed downward to “ON” position, the spring member being pushed by the second end of the link to lower the first contact point to be in contact with the second contact point, the second end of the link located at an inner periphery of the guide path and a space defined between the second end of the link and an outer periphery of the guide path.