Patent ID: 7730932

Claim:
A screen assembly comprising: a U-shaped channel; a plurality of channels, wherein each channel in said plurality of channels includes respective first and second walls forming an L-shape and a respective third wall hingedly connected to said respective first wall, said respective first, second, and third walls forming a U-shape when said respective third wall is in a closed position, said plurality of channels arranged to receive a screen frame when said respective third wall is in an open position, and said plurality of channel elements arranged to restrain said screen frame when said respective third wall is in said closed position and wherein the screen frame is a separate piece from the U-shaped channel and the plurality of channels and is insertable in and removable from the U-shaped channel and the plurality of channels when the respective third wall is in the open position, wherein the U-shaped channel and the plurality of channels are adapted to be installed in an opening and wherein the U-shaped channel and the plurality of channels are adapted to remain in a substantially fixed position in the opening when the screen frame is inserted in or removed from the U-shaped channel; and, a plurality of retainer clips arranged to releasably engage said plurality of channels to maintain said respective third wall in said closed position, wherein at least one retainer clip from the plurality of retainer clips is a separate piece from the U-shaped channel and the plurality of channels, wherein each clip from the at least one retainer clip from the plurality of retainer clips is adapted to engage the U-shaped channel and a channel from the plurality of channels or is adapted to engage two channels from the plurality of channels, and wherein each clip from the at least one retainer clip from the plurality of retainer clips includes a protrusion adapted to engage an outer circumferential surface for the screen frame.