| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an anchor bolt removal tool for easily removing a driven anchor bolt without any damage. <P>SOLUTION: A nut is screwed into a driven anchor bolt, and an end of the anchor bolt is inserted in an insertion bore 18 of the anchor bolt removal tool 10. A retaining ring 13 is depressed, and an engagement claw member 12 is pressed by a tapered section 22, a claw part 12A is engaged with a pin head of the anchor bolt, and the pin head is held from the outer circumference by the claw part 12. The retaining nut 14 is turned to be brought into contact with the retaining ring 13, to retain the positions of the retaining ring 13 and the engagement claw member 12. In this condition, the nut screwed to the anchor bolt is turned, the anchor bolt removal tool 10 is pushed up by the nut, and the pin of the anchor bolt is removed. Thereafter, an anchor plug from which the pin has been removed is pulled out. <P>COPYRIGHT: (C)2013,JPO&INPIT |
