| 摘要 |
FIELD: sanitary and hygienic articles. SUBSTANCE: toothbrush has handle, neck and head with bristles and massaging members formed as toothed gears mounted on pins. Block of bristles is formed as roller mounted on shafts kinematically connected with toothed surfaces of massaging members. During usage of toothbrush, massaging members rotate on pins to drive rollers. EFFECT: increased efficiency, simplified construction and convenient usage. 2 dwgc |
