Patent ID: 8434265

Claim:
A window operator for moving a window sash between an open and closed position relative to a fixed window frame, the window operator comprising: a) a track member; b) a sliding member positioned for longitudinal movement along the track member; c) a gear member operatively connected to the sliding member, the gear member having a first end and a second end, the second end adapted and configured to be operatively connected to a window sash, the first end having a plurality of radially spaced gear teeth; d) a rack member non-movably, fixedly connected to the track member and positioned to engage the gear teeth; and e) a drive member operatively connected to the sliding member, wherein actuation of the drive member moves the sliding member longitudinally causing the gear teeth to engage the rack member, thereby resulting in rotational movement of the gear member to move the sash between an open and closed position.