Patent ID: 9382745
Filing Date: 2016-07-05
CPC Classification: E05C,E05D,E05F

Claim Text:
1. A window comprising: a window frame comprising first and second side jambs that are connected to each other by a head jamb and a sill; a sash movably mounted in the window frame, the sash positioned between the first and second side jambs and configured for movement between the head jamb and the sill along a first axis aligned with the first and second side jambs; a latch assembly attached to a first side of the sash, wherein the first side of the sash is adjacent to and moves along the first side jamb, wherein the latch assembly comprises a latch bolt movable between an extended position and retracted position, wherein the latch bolt is biased in the extended position in which the latch bolt extends away from the first side of the sash towards the first side jamb and wherein the latch bolt is movable from the extended position to the retracted position in which the latch bolt moves towards the first side jamb; and a window balance apparatus configured to counteract the weight of the sash during movement of the sash between the head jamb and the sill; a powered sash driving apparatus comprising a motor and a linear actuator; a sash connector block operably connected to the linear actuator of the powered sash driving apparatus, wherein the powered sash driving apparatus is configured to move the sash connector block along the first side jamb between the head jamb and the sill; wherein the sash connector block comprises: wherein the powered sash driving apparatus is operably connected to the sash and configured to move the sash along the first side jamb between the head jamb and the sill only when the latch bolt is in the extended position in the bolt recess of the sash connector block; and wherein the window balance apparatus is connected to the sash and configured to counteract the weight of the sash during movement of the sash between the head jamb and the sill whether or not the latch bolt is in the extend position in the bolt recess of the sash connector block.