| 摘要 |
PURPOSE: An auxiliary door with protecting screens is provided to selectively perform a wind shield function, a mothproof function, and a theft proof function according to the need of a user. CONSTITUTION: An auxiliary door with protecting screens comprises a frame, a mothproof screen(130), a security screen(140), a windproof screen(150) and a wind screen locking device(170). The frame is composed of vertical frames(112,114), an upper frame(116) and a lower frame(118). The mothproof screen is mounted inside the frame. The security screen is mounted inside the frame and apart from the mothproof screen with a fixed distance. The windproof screen prevents flow of the wind to the indoor through the inside of the frame. The wind screen locking device keeps the windproof screen inflated. |
