A sash window with a retractable parting bead

摘要

A window 10 comprising a window frame (1 figure 1) with a movable retractable elongate bead member 20 22. The bead member 20 22 is moveable from an extended position in which the bead 20 22 projects and extends from the frame into the window opening 5 to overlap a portion of the window element 24 to a retracted position. The bead maybe biased in the extended position, possibly with a spring. The bead 20 22 maybe locked in the retracted position, preferably with a hook 46. The bead 20 22 maybe situated in elongate channels 24 26 situated in the frame.