Patent ID: 7231683

Claim:
An apparatus for cleaning a window of a structure, said apparatus comprising: a) a cleaning assembly; b) a first guide track mounted on one side of a window frame; c) a second guide track mounted on a side of the window frame opposite said first guide track wherein said cleaning assembly is retained and guided between and along a length of the first and second guide tracks; and d) means for selectively moving said cleaning assembly along the length of said guide track and over a surface of a window within the window frame, wherein said cleaning assembly engages and cleans the surface of the window, wherein said cleaning assembly includes cleaning tools and an interior housing for retaining said cleaning tools therein and said cleaning tools are disengaged from the window when said cleaning assembly is at a second end opposite a first end of the window frame; and wherein each of said first and second guides tracks have a channel extending along a length thereof; wherein said cleaning assembly further includes rollers on either side thereof received within said channels of said first and second guide tracks for moving said cleaning assembly therealong; and wherein said means for selectively moving said cleaning assembly comprises: e) a rod; f) a bearings positioned at each distal end of said rod; g) a lowering mechanism connected at a first end to and coiled around said rod and connected at a second end to said rollers; and h) a bidirectional motor, wherein upon activation of said bidirectional motor, said rod is rotated in a first direction about said bearing whereby said lowering mechanism uncoils from said rod causing moves said rollers to roll along said channels of said first and second guide tracks in a direction away from said rod, and upon reactivating said bidirectional motor, said rod is rotated in a direction opposite said first direction causing said lowering mechanism to be recoiled around said rod and said rollers to roll along said channels of said first and second guide track in a direction towards said rod.