ELECTRIC TOOTHBRUSH HEAD Russian patent published in 2008 - IPC A46B13/02 

FIELD: sanitary and hygienic articles.

SUBSTANCE: electric toothbrush has handle with neck part and head part extending from neck part, movable and immovable sections adapted for carrying of bristles and mounted on head part. Movable section is connected to drive designed for vibrating or rotating said movable section. Immovable section has face surface disposed on its one side and provided with bristles extending therefrom. Bristles have first, second and third groups of bristles positioned essentially transverse to longitudinal central axis of head. First group bristles are inclined from central axis of head to its lateral sides, second group bristles are extending perpendicular to face surface, and third group bristles are inclined at an acute angle to central axis of head.

EFFECT: improved quality of teeth cleaning and provision for massaging effect.

4 cl, 3 dwg