Patent ID: 6230457
Filing Date: 2001-05-15
Classification: E05B,E05C,Y10T

Abstract:
A system for minimizing sag in a window assembly comprising a sash hinged to a frame for selectively being moved to a locked position and an unlocked position, said system including a first abutment member on said sash, a tie bar on said frame, a second abutment member on said tie bar, a handle connected to said tie bar for moving said tie bar and said second abutment member to move said second abutment member upwardly toward said first abutment member during the locking of said window assembly and to move said second abutment member downwardly away from said first abutment member during the unlocking of said window assembly, a lifting block mounted to said sash and disposed across the path of motion of said second abutment member, said lifting block being disposed against said second abutment member when said window assembly is in said locked position to minimize sag, and vertical adjusting structure for adjusting the vertical positioning of said lifting block.