| 摘要 |
PROBLEM TO BE SOLVED: To provide a door frame capable of improving the efficiency of construction.SOLUTION: A door frame 1 includes at least a vertical frame 10 which is vertical attached to both sides of a door body 2 and a sill 20 which is disposed on a floor. A sill connection member 30 is attached to the lower end face 12 of the vertical frame 10. The sill 20 has a connection plate 40 which is attached to the end face at the vertical frame 10 side of the sill 20. The sill connection member 30 includes a female screw part 32 is formed to screw with a screw 50 which is inserted from above at an angle via the connection plate 40 attached to the sill 20. |
