A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 17/34 (2006.01)
Patent
CA 2663600
The transmission (48) according to the invention for an electric toothbrush serves to transmit and convert a rotation movement from an electric motor (58) into a particularly gentle and effective cleaning movement of a cleaning element (40). The ratio of the distance between the longitudinal centre axis of a drive shaft (30) and the longitudinal centre axis of a drive shaft (60) of the transmission (48) and of the distance between the longitudinal centre axis of a shaft (60, 78) driving a cam (72) of the transmission (48) and of the longitudinal centre axis of the cam (72) is at least 10:1.
L'invention concerne un engrenage (48) pour une brosse à dents électrique qui sert à la transmission et à la conversion d'un mouvement de rotation délivré par un moteur (58) électrique en un mouvement de nettoyage particulièrement soigneux et efficace d'un élément (40) de nettoyage. Le rapport de l'écart entre l'axe central longitudinal d'un axe (30) de sortie et l'axe central longitudinal d'un axe (60) d'entraînement (60) de l'engrenage (48) avec l'écart entre l'axe central longitudinal d'un axe (60, 78) qui entraîne une came (72) de l'engrenage (48) et l'axe central longitudinal de la came (72) est au moins de 10:1.
Baertschi Armin
Fischer Franz
Hilfiker Christian
Gowling Lafleur Henderson Llp
Trisa Holding Ag
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