| 摘要 |
PURPOSE: A screw-type safety tack is provided to optimize good points by increasing safety by solving safety problems of tacks. CONSTITUTION: A screw-type safety tack comprises a handle (11) including a uneven surface at a side surface; a body combination groove (12) for combining with a tack body unit (30); a handle unit (10) including a screw rod (13) for combining with a needle unit (20); and the needle unit which is vertically moved with the screw rod. The screw-type safety tack is combined with the body combination groove of the handle unit. The needle unit includes a hole (32) which is a path for vertical movement. |
