which can be controlled remotely a drive assembly with a motor controlled drive wheel is mounted on a window sill and the drive wheel selectively engages with a track attached to the window glass signals are sent from a remote device to actuate the motor turning the drive selectively engaged with the track to slide the window open and closed application_number US 201615291928 A description fig1 depicts an embodiment of the present device installed on a window as shown a drive assembly 102 can have a motor control housing 104 encasing internal drive control components while a drive wheel 106 can be located exterior to a motor control housing 104 in the embodiment shown in fig1 a motor control housing 104 can have a substantially rectangular geometry with substantially flat and substantially orthogonal surfaces but in other embodiments can have any other known and or convenient configuration a motor control housing 104 can be comprised of a polymer metal wood or any other known and or convenient material as shown in fig1 a drive wheel 106 can be oriented above and with its central axis substantially perpendicular to the top surface of a motor control housing 104 in some embodiments a drive wheel 106 can have a longitudinal circumferential surface that can have a width substantially equal to that of a drive wheel 106 at its central axis however in other embodiments a drive wheel 106 can have a tapered or any other known and or convenient geometry a drive wheel 106 can be comprised of a polymer metal wood or any.