Importance

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Abstract

A snap action switch has a base and cover enclosing upper and lower electrical terminals. A spring blade disposed between the terminals is movable by a cover-mounted actuator between engagement with one terminal or the other. The spring blade has only one stable position to which it returns upon release of the actuator force. The spring blade includes an anchor mounting the blade in the base and defining a generally planar junction portion. A pair of wings extend out of the plane of the junction portion. An elongated center beam connects at a fixed end to the junction. Outer beams on either side of the center beam connect to the wings. The free ends of all three beams are joined at a contact portion. Crimps in the outer beams place them in tension and the center beam in compression.

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First Claim