Patent ID: 6932139

Claim:
An insulated glass window assembly comprising: an insulated glass defining an interior space, said insulated glass having a pair of opposite exterior glass surfaces; a window covering within said interior space, said covering including upper and lower inner bars, said covering further including at least one inner magnet on each of said upper and lower inner bars, both of said upper and lower inner bars being vertically movable within said insulated glass; a window frame adapted to support said insulated glass within a supporting structure; upper and lower outer bars proximate one of said exterior glass surfaces, each of said upper and lower outer bars including at least one outer magnet magnetically coupled to said inner magnets on said upper and lower inner bars, respectively, whereby said upper and lower inner bars can be moved vertically by vertical movement of said upper and lower outer bars, respectively; and roller means on selected ones of said bars for facilitating movement of said selected ones of said bars.