Patent ID: 7296381
Filing Date: 2007-11-20
Classification: E06B,Y10S,Y10T

Abstract:
1. A double-hung window assembly having an opening defined by a head jamb, a first side jamb, a second side jamb and a sill, wherein the double-hung window assembly comprises: each of the first and second side jambs comprising an upper side jamb, a lower side jamb, an interior extension slot, an exterior extension slot and a lock pin slot; an upper sash held in the opening of the window assembly by the first and second upper side jambs and head jamb when the upper sash is in a closed position relative to the opening of the window assembly; a lower sash having a lock pin extendable from each side of the lower sash into the lock pin slot of its respective side jamb, the lower sash held in the opening of the window assembly by the first and second lower side jambs and sill when the lower sash is in a closed position relative to the opening of the window assembly; a concealed jamb liner cover for selective engagement with each upper side jamb, each jamb liner cover extending over the interior extension slot and lock pin slot at its respective upper side jamb, and each jamb liner cover having an exposed wood surface and having a channel receiving the lock pin of the lower sash, allowing slidable movement of the lower sash.