Electricity meter contact arrangement

H - Electricity – 01 – H

Patent

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Details

H01H 1/54 (2006.01)

Patent

CA 2761270

At least one electrical contactor is provided that includes a fixed contact and a movable contact. The fixed contact includes a center leg (36) and first and second arms (42,44) that extend in opposite directions from the center leg. The movable contact associated with each fixed contact includes first and second blades (62, 64) positioned on opposite sides of the center leg. The first and second blades extend parallel to the center leg of the fixed contact such that when current flows through the electrical contactor, the current flow creates a force to push the first and second blades into the first and second arms of the fixed contact. The electrical contactor includes an actuating arrangement having a pair of cam members. The movement of the cam members causes pegs (70) on each of the first and second blades to travel within the cam channel (102, 100), thus opening and closing the contactor arrangement.

Selon la présente invention, au moins un contacteur électrique comprend un contact fixe et un contact mobile. Le contact fixe comprend un pied central (36) et un premier et un second bras (42, 44) qui s'étendent en directions opposées à partir du pied central. Le contact mobile associé à chaque contact fixe comprend une première et une seconde lame (62, 64) positionnées de part et d'autre du pied central. La première et la seconde lame s'étendent parallèlement au pied central du contact fixe de telle manière que, lorsque le courant traverse le contacteur électrique, le flux de courant crée une force qui pousse la première et la seconde lame dans le premier et le second bras du contact fixe. Le contacteur électrique comprend un agencement d'actionnement présentant deux éléments de type came. Le mouvement des éléments de type came amène les chevilles (70) présentes sur chacune de la première et de la seconde lame à entrer dans le chemin de came (102, 100), ouvrant et fermant ainsi l'agencement contacteur.

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