Patent ID: 7861761

Claim:
A retractable screen and frame assembly comprising; a first pair of spaced frame members, a second pair of spaced frame members extending between said first pair to define an opening, a first track disposed along one of said frame members of said first pair, a second track disposed along the other one of said frame members of said first pair, a canister extending across said opening and between said first pair, a screen cloth extending between a trailing edge supported by said canister and a leading edge for dispensing said screen cloth from said canister to cover said opening and for retracting said screen cloth within said canister to uncover said opening, a control bar extending across said opening between a first end and a second end, said leading edge of said screen cloth being attached to said control bar between said ends thereof for guiding said leading edge of said screen cloth back and forth over said opening to cover and uncover said opening, a first glide movably supported by said first end of said control bar for sliding along said first track, a second glide movably supported by said second end of said control bar for sliding along said second track, and a biasing device reacting between said first end of said control bar and said first glide for biasing said first glide against said first track to allow relative movement between said first end and said first glide when sliding said first glide along said first track thereby compensating for varying distances between said first track and said second track, said first end of said control bar defines a pocket for supporting said glide, said pocket includes retaining walls extending to a floor surrounded by said retaining walls and said first glide includes a base disposed in said pocket.