ELECTRIC TOOTHBRUSH (VERSIONS) Russian patent published in 2011 - IPC A61C17/34 

FIELD: personal use articles.

SUBSTANCE: group of inventions relates to hygiene and is designed for tooth brushing. An electric tooth brush comprises a handle, having an electric motor, a head and a journal passing between the handle and the head. The head has the first end arranged near the front point of the head and the second end adjacent to the journal, the first holder of bristle with multiple bristles arranged at the first end of the head, the second holder of bristles with multiple bristles and the third bristle holder with multiple fixed bristles arranged between the first and second bristle holders. The electric toothbrush also comprises a rotary shaft, joined to the electric motor and to the first and second bristle holders to move them in a direction, which is substantially transverse to the longitudinal axis of the head. The group of invention also includes the second version of an electric toothbrush.

EFFECT: provision of a scraping motion near the front edge of a toothbrush head in combination with holders of fixed bristles or holders of movable bristles.

16 cl, 19 dwg