FACADE UNIT WINDOW FRAME Russian patent published in 2015 - IPC E06B3/00 

FIELD: construction.

SUBSTANCE: facade unit window frame comprises four straight hollow shaped element, forming a pair of stands and a pair of crosspieces, and four frame angles connecting them. Arms of frame angles are rigidly fixed to shaped elements. Each of two upper angular joints of the frame comprises fastening elements integrated into the frame, such as a pair "bolt-pin-nut", at the same time the bolt is installed in a hole made in a horizontal shaped element, and is screwed into a pin-nut, installed in a hole made in a vertical shaped element, and the frame angle comprises a slot providing for passage of the bolt through it with a pin-nut. It is preferable that shaped elements and frame angles are made of aluminium. It is preferable that the bolt and pin-nut are made of steel. It is preferable that the slot on the frame angle is shaped as shown in the drawing.

EFFECT: reduced labour intensiveness of manufacturing due to reduced requirements of accuracy, simplified assembly of window units due to provision of the possibility to level position of a window frame in a window unit plane and gap adjustment between adjacent units, reduced visible width of external elements of mounted facade structures.

4 cl, 8 dwg