Door and window anti-fall ropes are the last safety line of doors and windows. As safety accessories for doors and windows, they mainly function to prevent windows from suddenly falling when opened, thereby causing dangers.
The core safety functions of door and window anti-fall chains mainly include three points:
first, restricting the opening angle of doors and windows to avoid falling off due to excessive opening caused by wind, external force, etc.;
second, load-bearing protection, which can temporarily bear part of the weight when doors and windows are loose or hardware is damaged, preventing direct falling of doors and windows;
third, protecting personal safety, especially for high-rise residences, it can avoid the risk of children or pets falling from buildings due to accidental opening of doors and windows, and to a certain extent, prevent external personnel from breaking in through doors and windows.