Switch with snap-action closure

Details Switch with snap-action closure Switch with snap-action closure

H - Electricity

01

H

H01H 5/04 (2006.01) H01H 1/50 (2006.01) H01H 3/00 (2006.01) H01H 71/50 (2006.01)

Patent

CA 2326164

Switch, comprising at least two interacting contacts (1, 2) and a closing spring (5, 11, 15, 21) for moving the contacts into the closed position, an operating button which can be used to initiate a prestressing phase of the closing spring (5, 11, 15, 21), and a locking device (6) for locking the contacts (1, 2) in closing the switch, untill a predetermined moment at which the influence of the prestressed closing spring (5, 11, 15, 21) is to be released onto the contacts. The locking device (6) is designated to lock the interacting contacts (1, 2), during the prestressing phase, at a contact distance. The contact distance to be locked being less than the contact distance in the open position of the contacts (1, 2).

L'invention concerne un interrupteur comportant au moins deux contacts (1, 2) en interaction et un ressort de fermeture (5, 11, 15, 21) permettant de déplacer les contacts en position fermée, un bouton de commande pouvant être utilisé pour lancer une phase de précontrainte du ressort de fermeture (5, 11, 15, 21), et un dispositif de blocage (6) permettant de bloquer les contacts (1, 2) lors de la fermeture de l'interrupteur, jusqu'à un moment prédéterminé, où l'action du ressort de fermeture précontraint (5, 11, 15, 21) se doit d'être libérée sur les contacts. Le dispositif de blocage (6) est conçu pour bloquer les contacts (1, 2) en interaction lors de la phase de précontrainte, à une distance de contact. Cette distance de contact devant être bloquée est inférieure à la distance de contact en position ouverte des contacts (1, 2).

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