| 摘要 |
#CMT# #/CMT# The toothbrush is fitted with a roller-shaped brush (1) designed to rotate away from the gums and towards the teeth. The brush, which is removable, is connected to gears (2) inside a stem (3) mounted on its body (6) by a flexible joint that enables the end of the stem projecting into the body to touch contacts on either side that change the roller's direction of rotation when the brush is pressed to one side or the other. The roller brush is driven by an electric motor powered by rechargeable batteries inside the body. #CMT#USE : #/CMT# Electric toothbrush with roller brush for cleaning teeth and massaging gums. #CMT#ADVANTAGE : #/CMT# The user can make the brush rotate in the required direction by simple pressure against the teeth. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a side view of the toothbrush. 1 : Roller brush 2 : Gear unit 3 : Stem 4 : Flexible joint 5 : Switch 6 : Body 7 : Battery charger. |
