サッシュ・チェーンとは何ですか?
What is a sash chain? Have you ever thought about how old windows move easily? That’s because of sash chains. But what is a sash chain? These flat chains took the place of weak ropes in windows. They are stronger and last longer. Sash chains first appeared in England in the 1670s. They changed the window design by keeping sashes balanced and simple to use. Key Takeaways How does a sash chain work? Role in double-hung window mechanisms Have you noticed how double-hung windows move so easily? The sash chain is the reason behind it. It helps balance the weight of the window sashes. Without it, opening or closing the window […]