Patent ID: 8046954

Claim:
A window assembly comprising: a frame including a frame interior portion and a frame exterior portion, the frame defined in part by a frame width; a sash rotatably coupled relative to the frame, the sash having a sash inner portion and a sash exterior portion, the sash exterior portion defining a sash exterior plane; the sash having a wash mode and an operational mode, in the operational mode the sash is openable to an open position, in the wash mode the sash is openable to a wash position, in the wash position the sash exterior portion is disposed toward the frame exterior portion; and a window drive mechanism coupled between the frame and the sash, and the window drive mechanism includes a hinge assembly having one or more links coupled with at least one shoe, the at least one shoe movably coupled along a first side of the frame; the hinge assembly does not cross the sash exterior plane when the sash moves to the wash position from the closed position and wherein the hinge assembly includes at least two links that rotate relative to each other from an angle of less than 180 degrees prior to entering the wash mode to an angle of greater than 180 degrees after entering the wash mode.