ELECTRIC TOOTHBRUSH Russian patent published in 2011 - IPC A61C17/22 

FIELD: medicine.

SUBSTANCE: invention relates to field of hygiene and can be used for teeth cleaning. Electric toothbrush contains internal case, which is installed with various components, including source of movement; external case, inside which internal case is placed, and which becomes part, which user holds with hand during teeth cleaning; cam shaft, whose gravity centre is located in position displaced from shaft centre, and which rotates by moving force of movement source; and component for transmission of vibration, which transmits vibration, created during rotation of cam shaft, to brush part. Component for transmission of vibration is installed with respect to external case by point contact with internal surface of external case wall in many places.

EFFECT: elimination of loss from vibration and suppression of vibrations in part of toothbrush, which user holds in hand.

10 cl, 18 dwg