| 摘要 |
PURPOSE: An interchangeable toothbrush is provided to secure the economic efficiency, convenience, and neatness of oral cavity and toothbrush. CONSTITUTION: An interchangeable toothbrush includes: a handle(2) which can be gripped by hands; and a head unit(5) which is integrally connected to the head unit and has bristles. The head unit includes: right and left bodies(11,12) which can be separated into a right piece and a left piece; a hinge(15) which is combined with the upper part of the handle; a lock unit(13) which plays a role of locking while the body is rotated to the left and right by the hinge; an open entrance which is prepared in a rectangular shape at the inner top and bottom of the left and right piece; assemble grooves(11a,12a) which are formed at the same height opposing with each other at the inner space of the entrance; and a base plate which includes bristles of the toothbrush. |
