| 摘要 |
A WINDOW LOCK ASSEMBLY A window frame (10) that surrounds a window opening (11) that is closed by means of a sash (12). A chain winder (22) is operable to cause pivoting movement of the sash (12) between an open and closed position about an axis (20) provided by a longitudinally extending hinge portion (23) that is engaged by a longitudinally extending hinge portion (24) of the top rail (18) of the frame (11). Q--r I |
