Electromechanical switch

H - Electricity – 01 – H

Patent

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Details

H01H 23/06 (2006.01)

Patent

CA 2456878

The switching part (1) of the inventive switch is tightly enclosed by an elastic membrane (5) in at least the area of its free end. Said membrane also envelopes the contact surfaces (2) which face towards the switching part (1), at a distance, and is tightly connected to the switch housing (4; 6). This ensures that the contact area is tightly sealed in relation to the environment of the switch, which in turn ensures reliable protection against contamination and oxidation of the contact surfaces. The number of switch components is reduced, advantageously, an additional mechanical spring for holding the latching position of the switching part (1) being superfluous, and miniature embodiments are therefore also possible.

Selon la présente invention, la partie de commutation (1) du commutateur de l'invention est étroitement entouré, au moins dans la zone de son extrémité libre, d'une membrane élastique (5) qui enveloppe également les surfaces de contact (2) opposées à la partie de commutation (1), et est relié hermétiquement au boîtier de commutateur (4; 6). Ainsi, l'espace de contact est limité hermétiquement contre l'environnement du commutateur, ce qui permet d'éviter de manière fiable l'encrassement et l'oxydation des surfaces de contact. Grâce à la présente invention, le nombre de composants du commutateur peut être diminué, la présence d'un ressort mécanique supplémentaire servant au maintien de la position d'arrêt de la partie de commutation (1) ne s'avère plus nécessaire, et la réalisation peut s'effectuer par miniaturisation.

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