An electric device for evaporating substances

H - Electricity – 01 – H

Patent

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Details

H01H 21/44 (2006.01) A61L 9/03 (2006.01)

Patent

CA 2263488

An electric device for evaporating active substances has a housing, a printed circuit card mounted therein for an electric heating element and a flip switch with an actuation element that can swivel through a predetermined angle. The flip switch has a spring steel sheet strip which serves at the same time as a switching element for cutting and establishing an electroconductive connection between two contacts and as an elastic element which holds the switching element in two stable switching positions. The spring steel sheet strip has two end pieces, of which one is coupled to the actuation element and the other is directly mounted on one of the two contacts. The spring steel sheet strip further has a three-quarter bend which is brought to bear against the other contact when the actuation element is swivelled.

L'invention concerne un dispositif électrique pour la vaporisation de substances actives, comportant un boîtier dans lequel est logée une platine de circuits imprimés destinée à un élément chauffant électrique, et un commutateur à bascule possédant un élément d'actionnement pivotant selon un angle prédéfini. Ce commutateur à bascule présente un ruban monobloc en tôle élastique servant simultanément d'élément de commutation pour interrompre et établir une connexion électroconductrice entre deux contacts, et d'élément élastique, lequel maintient l'élément de commutation dans deux positions de commutation stables. Le ruban en tôle élastique possède deux pièces terminales dont l'une est accouplée avec l'élément d'actionnement et l'autre repose directement sur l'un des deux contacts. D'autre part, le ruban en tôle élastique décrit un coude en forme de 3/4 de cercle qui, par pivotement de l'élément d'actionnement, vient en prise avec l'autre contact.

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