Dental hygiene device with replaceable cleaning part

Details Dental hygiene device with replaceable cleaning part Dental hygiene device with replaceable cleaning part

A - Human Necessities

46

B

A46B 7/04 (2006.01)

Patent

CA 2257502

The invention relates to a dental hygiene device, for example a toothbrush, with a handle, a head and a cleaning part which can be inserted to lock in a hollow thereof, said cleaning part being ejectable by a resilient pressure member arranged on the back of the head and acting on the rear side of the cleaning part by pressurisation. To achieve a tight seal on said rear and to manipulate in a simple manner, the invention provides for the head to have a rear opening which is closed by the pressure member and into which the cleaning part engages, and the pressure member to be in the form of a flexible, plastic disc and the peripheral edge thereof to be fixed to the wall of the opening to form a seal.

Appareil d'hygiène bucco-dentaire, par exemple, brosse à dents, comprenant un manche, une tête et une pièce de nettoyage insérable par encliquetage dans une cavité de cette tête, dans lequel ladite pièce est éjectable au moyen d'un organe de pression élastique disposé au dos de la tête et agissant, par sollicitation à la pression, sur l'arrière de la pièce de nettoyage. Dans le but d'assurer une obturation étanche au niveau du dos précité, et de permettre une manipulation simple, l'appareil est caractérisé en ce que la tête présente, au dos, un orifice fermé par l'organe de pression et dans lequel s'engage la pièce de nettoyage, et en ce que l'organe de pression est réalisé sous forme d'un disque souple en matière plastique et est fixé hermétiquement, par son bord périphérique, à la paroi dudit orifice.

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