| 摘要 |
<p>The present invention relates to a quad-directional angle adjustment apparatus and to a quad-directional angle adjustment brush using same, and particularly, from among brushes in general, to a toothbrush, the angle of which is adjustable in four directions. To overcome the problems of conventional angle adjustment toothbrushes, provided is a quad-directional angle adjustment toothbrush which enables simplicity in assembly and the angle of which is adjustable in the left and right directions and in the forward and backward directions, i.e. in four directions, thus improving productivity and providing users with convenience in brushing their teeth. For this purpose, the quad-directional angle adjustment toothbrush according to the present invention comprises: a toothbrush head unit, one side of which has a C-shaped connection portion including an assembly opening; and a toothbrush handle unit, one side of which has a C-shaped connection portion including an assembly opening, wherein the C-shaped connection portion formed at said one side of the toothbrush head unit and of the toothbrush handle unit, respectively, has an inner surface on which a convex connecting portion is formed and an outer surface on which a concave connecting portion is formed.</p> |
