| 摘要 |
PROBLEM TO BE SOLVED: To reduce cost by common use of parts. SOLUTION: The fitting metal tool 11 of a hanging bolt 10 is bent to make a U-shaped form by connection of the bottom side 12 and the upper side 13 through the vertical side 14 by use of a steel plate. A hanging bolt 10 is screwed in a nut 15 formed on the bottom side and a wooden screw 17 is inserted upward in an pierced hole 16 for the screw in the upper side 13 and fixed therein. When a beam is made of a H-shaped steel member, the lateral sides of the H-shaped steel member can be put in between the upper side 13 of the fitting metal tool and the front end of the hanging bolt 10 and fixed therein. When the beam is made of wood, the wooden screw 17 can be rotated by the hanging bolt 10 to screw in the wooden beam and the beam can be fixed. |
