| 摘要 |
PURPOSE: An automatic locking device for a window is provided to prevent the locking device from being arbitrarily unlocked by an intruder, and to apply the locking device to a small window frame. CONSTITUTION: An automatic locking device for a window comprises a body(110), a hub(120), a hub arm(130), a sliding hook(140), and a hook(150). The body is fixed to a window frame. The hub is rotatably installed in a housing space of the body. The hub arm is rotatably assembled in the top of the hub, and is rotated by torque of the hub. The sliding hook is elastically supported by a first elastic member. The hook is elastically supported by a second elastic member. |
