Toothbrush having adjustable bristle-mounted tabs

摘要: In a toothbrush having pair of adjustable bristle-mounting tabs which pivot relative to the base so that bristles mounted on may deflect in order conform varying tooth surfaces, metal plate formed within head has opposite lobes thereof extend into and form part provide better hinging action for prevent from breaking off possibly being swallowed. The is made using an injection mold, lower half dowels are inserted apertures initially position therein. mating upper together pins engage sides as precisely cavity defined by joined halves mold. Plastic material injected surround frame. Following removal frame holes drilled adjoining groups such completed toothbrush.