| 摘要 |
<p>A toothbrush consisting of a brushhead (1, 11, 21, 31) a shaft (3, 13, 23, 33) and a cylinder-like grip (2, 12, 22, 32), in which the brushhead (1, 11, 21, 31) is fitted or connected to the shaft (3, 13, 23, 33) by a screw or with adhesive, and the shaft (3, 13, 23, 33) and the grip (2, 12, 22, 32) are movably connected each other by projections (131, 231) on the shaft (13, 23) and the corresponding grooves (122, 222) on the inside of the grip (12, 22), or by grooves (331) on the shaft (33) and the corresponding projections (351) on the inside of the grip (32), and a spring is inserted in the inside of the grip (2, 12, 22, 32), and the brushhead (1, 11, 21, 31) moves up and down as well as right and left when the user moves the toothbrush right and left.</p> |
