Patent ID: 7157653
Filing Date: 2007-01-02
Classification: H01H

Abstract:
1. A magnetic latching switch comprising: a housing having mounted therein a movable electrical contact structure normally retained in a first position with a stationary electrical lug structure by a retaining system including a magnetic arrangement contacted by a biasing system for providing a magnetic biasing force, and a diaphragm assembly movable into direct contact with the magnetic arrangement in response to a predetermined counteracting force exerting an operating force overcoming the magnetic biasing force and enabling the biasing system to move the contact structure to a second position with the stationary lug structure, wherein the magnetic arrangement includes a fixed magnet, a fixed core and a movable armature engagable and disengagable with the core, wherein the contact structure includes a movable blade having a set of contacts at opposite ends thereof, wherein the biasing system includes a first spring engaged against the movable blade, and a second spring engaged against the armature, and wherein a fixed retainer surrounds the core and the fixed magnet.