| 摘要 |
[Problem] To ensure that bottom bars at the bottom ends of first and second screens (16, 17) can be in stable contact with the bottom frame of a screen frame in a window screen in which the two screens are wound around a winding shaft (12) along with numerous dimming slats (18) attached between the screens. [Solution] The first and second screens (16, 17) and the slats (18), which are attached at equal intervals between the screens so as to be capable of being rotated to an upward or downward angle, are wound around the winding shaft (12); both ends of the first screen are slidably engaged with a guide rail (24); and bottom bars (26, 27) individually guided by side frames (23) are respectively attached to the bottom ends of both screens. With both screens in a state being extended into the screen frame and with the slats in any possible desired inclined orientation, either of the bottom bars (26, 27) at the bottom ends is in contact with the bottom frame of the screen frame. |
