| 摘要 |
PROBLEM TO BE SOLVED: To easily attach and detach a lower rail. SOLUTION: In this screen door device, a fixed bar 4 is fixed to one side of an opening in a building, a receiving bar 6 on the other side, and an upper rail 7 on the upper side. On the lower side, a lower rail 8 is detachably installed. One side of a screen 5 is installed on the fixed bar 4, a middle part is wound around a winding shaft 3, and the other is installed on a movable bar 2. The winding shaft 3 and the movable bar 2 are suspended by the upper rail 7 through runners at an upper end, and lower ends of them run along the lower rail 8. The lower rail 8 has a recessed engagement part 18 at one end, and engagement parts 16 and 16 are provided to the opened downward along length on both sides. At a lower end of the fixed bar 4, a lower rail guide 9 is installed, and at a lower end of the receiving bar 6, a lower rail stopper 10 is installed. The lower rail guide 9 has guide parts 13 and 13 protruded from both sides of an installation part 12 to the fixed bar 4, and a roughly V-shaped spring 14 is protruded between them. The lower rail stopper 10 has lock parts 17 and 17 protruded from both sides of an installation part 15 to the receiving bar 6, and a protruded stopper 19 is provided between them to be engaged with the stopper 18 on the lower rail 8.
|
