| 摘要 |
PROBLEM TO BE SOLVED: To provide a door frame installed easily and efficiently, allowing its rail members to be maintained and replaced easily.SOLUTION: An upper frame 10 has a rail structure in which rail grooves 12 are formed to allow an upper end of a door panel 4 to be engaged therewith. In the vicinity of an end of the rail grooves 12 in a longitudinal direction a supported port 15 is formed to be supported by a pair of vertical frames 7. The upper frame 10 is connected to the vertical frames 7 being interposed by an upper frame support part 20a which supports and fixes the supported port 15 and a pair of connecting members 20 which include a fixing part 20b to be fixed to the inner side of the vertical frames 7 with a screw 35 at both ends in the longitudinal direction. |
