窗扇钳夹器

side, bottom hung sash window

sash

girdle【古生】;sash【服装】;waistband【服装】

side, bottom hung sash

fastening mechanism (locking mechanism) window sash (wing), door leaf (wing of a door)

sash wing (wing frame)

side, bottom sash fitting

hasp fastener for door leaf (wing of a door), window sash (wing)