| 摘要 |
PROBLEM TO BE SOLVED: To provide a reinforcing fitting, hardly causing looseness between a bolt part of a strap bolt and a nut, and stably fixing a joint part over a long period of time. SOLUTION: In this reinforcing fitting 10, after the tip of the bolt part 11 of the strap bolt 1 including a plate material 12 provided with through holes 12a, 12b for fixing to a post 20 made of wood and the bolt part 11 welded to one end of the plate material 12 is passed through a through hole 30a provided in a beam 30 made of wood, a nut 3 is engaged with a screw part 11a provided at the tip of the bolt part 11 through a coiled spring 2. COPYRIGHT: (C)2008,JPO&INPIT
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