Casement window conversion unit

A conversion unit for mounting internally of and over the wall opening of a casement or like room window to ornamentally convert the latter;

• said unit comprising a frame structure having a pair of like upright end members applicable in outwardly abutting relation at 90.degree. to a wall affording said opening, an inner frame portion connected at its opposite ends to said members in an inwardly and upwardly extending relation to said wall, and at least one panel of light-transmitting material mounted in said inner frame portion to extend in a direction parallel to said wall, said end members of the frame structure being triangular, presenting outer edges in abutting relation to the wall and inner edges divergently angling upwardly toward a room ceiling, to which inner edges the ends of said frame portion are connected, there being at least two light-transmitting panels slidable in said frame portion, said portion having elongated grooves receiving said panels to adjustably slide in an overlapped relationship to one another, said frame structure having means for a ready and manually releasable mounting of the unit to said wall in a predetermined close relationship to said ceiling, the dimensioning of said inner frame portion closely approximating that of said window as said portion parallels said wall, the dimensioning being such that upper and lower members of said frame portion respectively engage with said ceiling and with said wall directly beneath said opening of the latter.