发明名称 Rotational toothbrush
摘要 A toothbrush which head can be rotated to form different angle with the handle. This action of rotation can be done while brushing the teeth, once the handle leaves out the slot at the head, the handle can be moved to another slot, the angle of the head and the handle is changed from 180 degree to 90 degree and then from 90 to 180 degree again. The handle also can be free rotated without fixing to the slot at the head. A T-shape shaft is inserted between two covers at the head of the toothbrush, a connector is connected between the T-shape shaft and the handle of the toothbrush, so that the head and handle can be rotated freely. With this invention, the toothbrush is more suitable for right-hand and left-hand users who can brush the teeth in different directions and apply the force to the toothbrush correctly and easily.
申请公布号 US2010313372(A1) 申请公布日期 2010.12.16
申请号 US20090456233 申请日期 2009.06.15
申请人 WONG HING WING 发明人 WONG HING WING
分类号 A46B9/04 主分类号 A46B9/04
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