发明授权
- 专利标题： Adjustable bristle toothbrush
- 专利标题（中）： 可调式刷毛牙刷
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申请号： US919076申请日： 1978-06-26
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公开(公告)号： US4149293A公开(公告)日： 1979-04-17
- 发明人: Helmut Raaf , Oskar Heumann
- 申请人： Helmut Raaf , Oskar Heumann
- 申请人地址： DEX Mainz
- 专利权人： Blendax-Werke R. Schneider & Co.
- 当前专利权人： Blendax-Werke R. Schneider & Co.
- 当前专利权人地址： DEX Mainz
- 优先权： DEX2790702 19770701
- 主分类号： A46B9/10
- IPC分类号： A46B9/10 ; A46B15/00
摘要：
A toothbrush with a variable adjustment of the operative bristle length, characterized in that it is equipped with a movable perforated plate, arranged over the bristle holder with the bristles extending through the perforations. The plate is adjustable up and down by means of a seesaw or scissor-like mechanism.
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