Motor providing oscillating action for a personal care...

H - Electricity – 02 – K

Patent

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Details

H02K 33/00 (2006.01) H02K 35/00 (2006.01)

Patent

CA 2570829

The motor assembly which produces an oscillating action for a personal care device includes a horizontally positioned U-shaped stator portion, and an armature portion which includes a torsion spring shaft which is anchored at one end thereof. The armature portion also includes a U-shaped magnet mounting member which is fixed near .the upper end of the spring shaft, the U-shaped member including two opposing legs which extend along a substantial part of the length of the spring shaft, away therefrom. At the tips of each leg are magnet assemblies, which interact with the stator portion in alternating torsion, to produce a back-and-forth oscillation of the armature and a brushhead or other workpiece attached thereto.

L'invention concerne un ensemble moteur produisant une action d'oscillation dans un appareil de soins personnels. Ce moteur comprend un partie stator en forme de U disposée horizontale, et une partie armature comprenant un arbre à ressorts de torsion fixé au moins sur une de ses extrémités. La partie armature comprend également un élément de montage d'aimants en forme de U fixé à proximité de l'extrémité supérieure de l'arbre à ressorts, ledit élément en forme de U comprenant deux pieds opposés qui s'étendent sur une partie substantielle de la longueur de l'arbre à ressorts, en s'en éloignant. Des ensembles aimants sont disposés au niveau des bouts de chaque pied, lesdits ensembles interagissant avec la partie stator pour alterner la torsion, de sorte à produire l'oscillation de va-et-vient de l'armature et d'une tête de brosse ou autre élément fixé sur ladite armature.

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