| 摘要 |
A screw type button is provided to facilitate attaching and removing of the button through a screw type structure and to allow use of the button regardless of uniform's thickness by changing position of the first and the second fixation ring. A screw type button comprises: a button head(10); an insertion pin(20) having a male screw part(21) on its periphery; a first fixation ring(30) including the first combining hole(31) where a female screw part(311) is formed on its inner surface; and a second fixation ring(40) including the second combining hole(41) where a female screw part is formed on its inner surface. |
