Powered toothbrush

A - Human Necessities – 61 – C

Patent

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Details

A61C 17/22 (2006.01) A61C 17/24 (2006.01) A61C 17/32 (2006.01)

Patent

CA 2499947

The head (14) of a powered toothrush (10) includes a first tuft block (16) mounted for rotational oscillation about an axis generally perpendicular to the outer surface (26) of the head (14), and a second tuft block (38) having fixed bristles or bristles (40) independently movable by being mounted on an elastomeric base. The second tuft block (38) oscillates perpendicular to a longitudinal axis of the head (14) and in an in and out direction (46) perpendicular to the outer surface (26) of the head (14). A third stationary block (62) may also be mounted on the head (14) of the powered toothbrush (10). The bristles (22,40,64) on the first, second, and third tuft blocks (16,38,62) may be of various lengths, colors and stiffness, and may be mounted perpendicularly to or at an angle to the outer surface (26) of the head (14).

La tête d'une brosse à dents motorisée comprend un premier bloc de touffe monté afin d'osciller en rotation autour d'un axe généralement perpendiculaire à la surface extérieure de la tête, et un deuxième bloc de touffe comprenant des soies fixes ou des soies indépendamment mobiles, montées sur une base d'élastomère. Le deuxième bloc de touffe oscille perpendiculairement à un axe longitudinal de la tête et dans un mouvement alternatif perpendiculaire à la surface extérieure de la tête. Un troisième bloc stationnaire peut aussi être monté sur la tête de la brosse à dents motorisée. Les soies des premier, deuxième et troisième blocs de touffe peuvent être de longueurs, de couleurs et de rigidités différentes, et peuvent être montées perpendiculairement, ou de façon oblique, par rapport à la surface extérieure de la tête.

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