Patent ID: 6689973
Filing Date: 2004-02-10
Classification: E05B,H01H

Abstract:
A switch assembly for triggering the release of a latch mechanism, said switch assembly comprising:a cover member; a base member having an interior surface; a button member disposed intermediate said cover member and said base member, said button member comprising an exterior surface, an interior surface and a plurality of elastomeric projections extending from said interior surface; an electrically conductive spring plate disposed adjacent to said interior surface of said button member, said spring plate comprising a plurality of apertures through which said plurality of projections of said button member are received, said projections of said button member engaging said apertures of said spring plate and securing said spring plate against said interior surface of said button member; and a leadframe on said interior surface of said base member, said leadframe comprising a plurality of electrically conductive tracks; and wherein depressing said button causes at least a portion of said spring plate to close an electrical circuit between at least two of said electrically conductive tracks of said leadframe.