Powered toothbrush

Details Powered toothbrush Powered toothbrush

A - Human Necessities

61

C

A61C 17/34 (2006.01)

Patent

CA 2474394

A toothbrush head containing a first tuft block mounted for oscillating about a centrally located axis and an elongated second tuft block mounted for rotational movement about an axis eccentric to its center point. One of the tuft blocks has a recess for receiving an extension of the other tuft block to create a drive connection between the two tuft blocks, such that when one of the tuft blocks is driven by a drive structure the rotational movement of that tuft block causes the other tuft block to oscillate.

L'invention concerne une tête de brosse à dents comprenant un premier ensemble de touffes de poils monté de sorte à osciller autour d'un axe central, et un deuxième ensemble allongé de touffes de poils monté de sorte à effectuer un mouvement rotatoire autour d'un axe excentrique par rapport à son point central. Un de ces ensembles de touffes de poils comporte un renfoncement destiné à recevoir une extension de l'autre ensemble de touffes de poils, de sorte à former un raccord d'entraînement entre les deux ensembles de touffes de poils. Ainsi, lorsqu'un des ensembles de touffes de poils est entraîné par une structure d'entraînement, le mouvement rotatoire dudit ensemble de touffes de poils provoque l'oscillation de l'autre ensemble de touffes de poils.

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