Importance

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Abstract

A universal single hung window including a frame and at least one sash therein movable in the plane of the frame and tiltable about a lower edge thereof out of the plane of the frame, whereby the window may be used as a single hung or a hopper window in one position thereof, and in another position thereof may be used as a glider window. The window structure includes a thermal barrier between a prime window and a storm window. The window is provided with balance foot and lower sash guide structure to permit pivoting of the sash about the lower edge thereof and support of the sash by a sash balance if desired. The balance foot and lower sash guide structure includes a separate balance foot member constructed to be connected to a sash balance in a jamb of the frame and a separate sash guide member pivotally engaged with the balance foot member and secured to a sash stile at the lower end thereof. Pivoting of the window is permitted on release of tilt release and sash guide mechanism at the upper edge of the sash.

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First Claim