| 摘要 |
An improved window construction including a combination metal/wood support frame for a double hung metal window sash, the metal window sash being provided with side channels for reception of counterbalance springs therein. A screw-threaded bow adjuster is provided which is usable for installing the combination wood/metal frame in the house framing for eliminating any bow therebetween to reduce heat losses therethrough. A wood sash liner/fascia is provided for covering the metal window to give same the over-all appearance of a window made entirely of wood. The wood sash liner/fascia preferably being provided with a plurality of muntins thereacross which are joined with tongue and groove type joints. The top horizontal bar of the bottom window being provided with a lock covering recess and the lower horizontal bar thereof having hand-recess cut-outs. Both the upper and lower metal window sash being provided with a vertical recess at each side thereof for receiving insulating and weather stripping attachment/mounting strips between the metal/wood support frame and the metal window for retaining the metal window affixed to the support frame. Apertures are also provided in the wood covering liner/fascia for receiving attachment screws or the like to secure the installed covering over the metal window and thereby prevent removal of the insulating, weather stripping installation strips to prevent removal of the metal window from the combination metal/wood support frame, and also to give the outward appearance of an all-wood window.
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