| 摘要 |
PROBLEM TO BE SOLVED: To provide door frame capable of using a common vertical frame irrespective of attaching sill.SOLUTION: A door frame 1 includes at least a vertical frame 10 which is vertically attached to both sides of a door body 2; and a sill connection member 30 for connecting the vertical frame 10 to the sill 20. The sill connection member 30 is attached to floor installation plane 12 of the vertical frame 10 so as to be disposed lower than a floor plane 7. The vertical frame 10 and the sill 20 are connected to each other by a fixing means 50 being interposed by the sill connection member 30 to form a door frame with sill. The door frame with no sill may also be formed without attaching the sill connection member 30 to the vertical frame 10. |
