Leaf switch

Details Leaf switch Leaf switch

1991-11-13

1993-08-24

Shoap, Allan N.

Electricity: circuit makers and breakers

Snap

Double snap

200405, 200453, 200459, 200460, 200467, H01H 510

Patent

active

052391515

ABSTRACT:
The invention relates to a leaf switch having a scroll spring (6) which can be hooked between a switching are elongate windows which extend in the transverse direction and into which centrally projecting tongues (3a, 2a) of the switching tongue (3) and of the spring lever (2) engage. In order to avoid an unintentional unhooking of the scroll spring (6), there is a deformation projecting beyond the tongue surface at the front section of at least one of the two tongues (3a, 2a). The said deformation can be constructed as an embossed hollow projection or as laterally bent-over tongue legs.

REFERENCES:
patent: 2260964 (1941-10-01), Wilms
patent: 3291931 (1966-12-01), Rogers
patent: 3322915 (1967-05-01), Johnson
patent: 3336449 (1967-08-01), Ashman
patent: 3662132 (1972-05-01), Good

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