Window construction

A double window construction comprising a frame, an inner and an outer window, the frame having jamb portions with pairs of mutually facing longitudinal channel members secured therein, each channel member having a U-shaped cross-section and lips directed toward each other and forming a mouth on the open side of the channel member, each window including an upper and a lower sashless glass pane, each slidable in a vertical direction along the two channel members of a corresponding pair of channel members, an elongated sealing member secured lengthwise against the bottom edge of each sashless pane, rod sections fixedly mounted in the sealing members and extending lengthwise of the latter, and laterally projecting outwardly at the opposite side edges respectively of each sashless glass pane and into the corresponding two channel members respectively through the mouth thereof, a hook member vertically displaceable in each channel member and operatively supporting the corresponding rod section of the associated glass pane, a first pair of flexible elongated members supported in the frame and connected at opposite ends to the hook members of the lower pane of one window and the upper pane of the other window, and a second pair of flexible elongated members supported in the frame and connected at opposite ends to the hook members of the lower pane of the other window and the upper pane of the one window, whereby to support the panes in counterbalanced manner.