Toothbrush oscillating head

A - Human Necessities – 61 – C

Patent

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Details

A61C 17/34 (2006.01)

Patent

CA 2453559

Discloses a bristle head oscillation mechanism for an electrically driven toothbrush. A toothbrush bristle head is rotatably disposed at an end of an elongate housing. A drive shaft is rotatably disposed in the elongate housing and has an offset end coupled to one end of a pivot arm. The other end of the pivot arm is coupled to the toothbrush bristle head. Rotation of the drive shaft pivots the pivot arm to effect oscillation of the bristle head with respect to the elongate housing.

L'invention concerne un mécanisme d'oscillation de tête de brosse destiné à une brosse à dents électrique. Une tête de brosse à dents est disposée rotative au niveau d'une extrémité d'un boîtier allongé. Un arbre d'entraînement est disposé rotatif dans ce boîtier allongé et comporte une extrémité décalée couplée à une extrémité d'un bras pivotant. L'autre extrémité du bras pivotant est couplée à la tête de la brosse à dents. La rotation de l'arbre d'entraînement fait pivoter le bras pivotant de manière à provoquer l'oscillation de la tête de brosse par rapport au boîtier allongé.

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