Window shade sealing system

Claim 1

A window shade sealing system for sealing the entire periphery of a window shade covering a window having a continuous peripheral window frame to prevent the passage of air around said shade, said sealing system comprising: (a) a shade roller housing mounting a roller shade and defining a pay-out slit through which the leading edge of a roller shade feeds, said slit defined at one side by an elongated mounting strip having means adhering same against said frame above said window and defined at the other side by a pressure-applying member compressing said shade against said mounting strip; (b) a pair of resilient vertical guide channels and a horizontal bottom channel, each of said channels being generally U-shaped to straddle an edge of said shade and comprising a flat sealing strip having means adhering same to said window frame adjacent said window and a resilient pressure-applying lip compressed against said sealing strip with its outer edge in its normal state to press said shade at its vertical and bottom peripheral areas against said sealing strip, with the upper ends of said vertical guide channels aligned with said pay-out slit and the lower ends thereof aligned with said horizontal bottom channel, such that said shade is maintained in positively gripped sealed relation against said sealing strip continuously along its entire periphery whereby a complete instantly installed window shade and peripheral sealing apparatus is provided, any one unit of which is adaptable to fit window frames of different heights and irregular vertical side frame members.