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公开(公告)号:US20210369432A1
公开(公告)日:2021-12-02
申请号:US17403817
申请日:2021-08-16
发明人: Mao ZHAO , Yaoqing ZHU , Jian ZHANG
IPC分类号: A61C17/34
摘要: An electric toothbrush includes a toothbrush body. The toothbrush body includes a toothbrush head. The toothbrush head includes a handle part, a first platy body disposed below the handle part, and a first brushing sheet and a second brushing sheet disposed side by side and below the first platy body. The lower surface of the first platy body is provided with a first brush bristle, the rear side surface of the first brushing sheet is provided with a second brush bristle, and the front side surface of the second brushing sheet is provided with a third brush bristle.
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公开(公告)号:US20240341937A1
公开(公告)日:2024-10-17
申请号:US18755628
申请日:2024-06-26
发明人: Mao ZHAO , Yaoqing ZHU , Jian ZHANG
CPC分类号: A61C17/349 , A46B9/045 , A61C17/3472
摘要: A toothbrush head for an electric toothbrush, comprising a toothbrush head handle (1); a first plate (4) is arranged below the toothbrush head handle (1); and a first bristle sheet (9) and a second bristle sheet (8) are longitudinally arranged below the first plate (4). Tooth cleaning demands of people different in oral cavity and tooth size can be satisfied by means of surrounding effects of the three-sided bristles and self-adaptive effects of automatic bristle fitting along with thickness changes from front teeth to molars.
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