| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a screwdriver tool, capable of removing dust when clogged in an engagement groove for engaging an engagement part of the screwdriver tool, which is formed on the head of a male screw, and also capable of reproducing the engagement groove if collapsed. <P>SOLUTION: The screwdriver tool is provided with the engagement part for engaging in the engagement groove formed on the head of the male screw. The screwdriver tool includes: an operation shaft unit with the engagement part for engaging in the engagement groove; a gripper for slidably housing the operation shaft unit in an axial direction; and a pressing unit for pressing the operation shaft unit housed in the gripper toward the side of the engagement part. <P>COPYRIGHT: (C)2012,JPO&INPIT |
