Snap action switch

Details Snap action switch Snap action switch

1991-07-30

1993-12-14

Recla, Henry J.

Electricity: circuit makers and breakers

Snap

Single snap

200559, 200283, H01H 500

Patent

active

052705064

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.

REFERENCES:
patent: 2286053 (1942-06-01), Bletz
patent: 2700079 (1955-01-01), Haydon
patent: 2966559 (1960-12-01), Meyer
patent: 3120590 (1964-02-01), Dahlin
patent: 3306998 (1967-02-01), Russell
patent: 3571541 (1971-03-01), Bedoes et al.
patent: 3648004 (1972-03-01), Williams
patent: 4336429 (1982-06-01), Jackson et al.
patent: 4484042 (1984-11-01), Matsui
patent: 4523064 (1985-06-01), Rose
patent: 4943696 (1990-07-01), Staples
patent: 5053592 (1991-10-01), Zuercher
patent: 5113047 (1992-05-01), Tsutsumi

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