Patent ID: 6182405
Filing Date: 2001-02-06
Classification: E06B

Abstract:
A window frame comprising a sub-sill having a mounting surface for positioning in a window opening in a wall and a sloping surface extending in an acute angle from the side of the sub-sill that faces outward relative to the window opening when the sub-sill is mounted in the window opening, a plurality of discreet spacer elements overlie said sub-sill and are positioned in axially spaced relationship relative to a longitudinal axis of the sub-sill, a main sill having a main mounting surface, cooperating fastening elements on said main mounting surface and said spacers for connecting each said spacer to said main sill and positioning said main sill substantially parallel to said mounting surface and means for connecting said main sill to said sub-sill,wherein said window frame further comprises a compression gasket, said compression gasket having a rib at one end and a deflectable element at its opposite end, a groove in said main sill in which said rib is received when said gasket is mounted on said main sill and an undercut on said main sill into which said deflectable element is snapped over when said gasket is mounted on said main sill.