| 摘要 |
The present invention relates to a structure of a crime prevention window installed outside a window to prevent someone to break inside, more specifically, the crime prevention window which is difficult to be cut. An additional crime prevention window frame attached to a size of the inside of a square window frame is formed, and a plurality of window bars is installed between the window frames. An outer fixed pipe is integrally fixed to the window frame, and an inner rotating pipe is installed to be rotated by being installed the outer fixed pipe. The window bar includes a bearing on both sides of the inner rotating pipe formed to be rotated inside the outer fixed pipe so that an intruder cannot cut the inner window bar when cutting the window bars. |
