QUAD-DIRECTIONAL ANGLE ADJUSTMENT APPARATUS AND QUAD-DIRECTIONAL ANGLE ADJUSTMENT BRUSH USING SAME
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Jun 28, 2011
filing date -
Jun 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A quad-directional angle adjustment apparatus and a toothbrush using the same are provided. The quad-directional angle adjustment apparatus includes a toothbrush head unit having a C-shaped connection portion, which has an assembly opening, in one side of the head unit; and a toothbrush handle unit having a C-shaped connection portion, which has an assembly opening, in one side of the handle unit. The C-shaped connection portions provided in one side of the toothbrush head unit and the toothbrush handle unit have a convex connecting portion on an inner surface and a concave connecting portion on an outer surface.
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