Patent ID: 6800826
Filing Date: 2004-10-05
Classification: H01H

Abstract:
A switch device comprising:a casing having a frame with a path defined therein and a protrusion surrounded by the path, a first terminal and a second terminal each having a first end located in the casing and a second end extending from a bottom of the casing, the second terminal having a first contact point on the first end thereof in the casing; a push member movably engaged on a top of the casing and two positioning springs biased between the push member and the casing, a guide pin pivotably connected to the push member and having an insertion which is movably engaged with the path in the casing; a bimetallic plate having an end connected to the first terminal and comprising a free section, a second contact point connected to the free section and located above the first contact point; and a driving plate rotatably connected to the casing and comprising a polygonal aperture through which the insertion of the guide pin and the protrusion extend, a convex portion extending from an inner periphery of the aperture, a hook portion extending form the driving plate and holding a free end of the bimetallic plate.