| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bolt that can be installed without any time and labor and can be repeatedly used. <P>SOLUTION: At a bolt 10A, first the head 17 of a bolt body 11 and then a cylindrical member 12 encapsulating the head 17, a washer 13A and a shaft 15, a washer 13B, and a hexagonal nut 14 are inserted into a bolt hole. When the shaft is rotated anticlockwise by using an engaging part 19, the hexagonal nut 14 moves toward the front of the shaft 15 to press the cylindrical member 12 to the head 17. Thus, the cylindrical member 12 is elastically deformed outward in a diameter direction, the outer peripheral surface 29 of the cylindrical member 12 adheres to the inner peripheral surface of the bolt hole, and the bolt 10A is fixed to the bolt hole. <P>COPYRIGHT: (C)2013,JPO&INPIT |
