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公开(公告)号：US10986914B2
公开(公告)日：2021-04-27
申请号：US16073839
申请日：2017-02-02
发明人： David Diamond , Jean Diamond
摘要： The present invention is concerned with an electric utility brush having a flexible drive shaft, and in particular an electric toothbrush having a substantially spherical head mounted on the flexible drive shaft and which can be driven rotationally in at least two different orientations in order to provide comprehensive brushing capabilities.
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公开(公告)号：US10729231B2
公开(公告)日：2020-08-04
申请号：US16072195
申请日：2017-01-23
发明人： David Diamond , Jean Diamond
摘要： The present invention provides a template for a tufted curved surface such as a hemispherical brush head for an electric toothbrush or the like, the template comprising a substrate having an upper surface adapted to carry one or more tufts of bristles such as to project outwardly from the upper surface, the substrate being shaped to be deformable between an expanded state in which the upper surface is substantially flat, and a collapsed state in which the upper surface is curved.
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公开(公告)号：US11058526B2
公开(公告)日：2021-07-13
申请号：US16477652
申请日：2018-01-17
发明人： David Diamond , Jean Diamond
IPC分类号： F16H3/42 , A61C17/26 , A46B13/02 , A46B9/02 , F16H1/24 , F16H35/10 , F16H55/10 , F16H1/20 , F16H3/36
摘要： This invention relates to a drive system which automatically disengages when a loading above a certain threshold limit is applied to the driven component, thus preventing damage to the drive system and foremost to the gearing between the drive system and the driven component when such a load is applied.
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