| 摘要 |
<p>The present invention relates to an opening and closing assisting device for a window-set structure securing safety and sound reduction by preventing a hand from being jammed. The present invention reduces a closing speed of a window moving towards an end part of a window frame along a rail to prevent, in advance, an accident such as a hand being jammed when the window is closed at high speeds. Moreover, the present invention prevents noise generated in a closing process, and stably maintains a closed state of the closed window.</p> |
