Patent ID: 6933455
Filing Date: 2005-08-23
Classification: H01H

Abstract:
1. In a pushbutton switch having a pushbutton pivotally mounted on a hollow casing, a linkage movably received inside the casing and having a first distal end securely in contact with the pushbutton and a second distal end securely connected to a heat sensitive plate which is able to curve in reaction to heat and has a first distal end securely connected to a first distal end of a first terminal, wherein a second distal end of the first terminal extends out of the casing from a bottom face of the casing, a second terminal having a first distal end provided with a first contact mounted thereon and a second distal end extending out of the casing from the bottom face of the casing, wherein the heat sensitive plate has a second distal end provided with a second contact selectively in contact with the first contact, wherein the improvements comprises: the pushbutton having a connection rod and the linkage having a connection hole defined in the first distal end thereof to receive therein the connection rod of the pushbutton.