Round window frame, the window and its assembly method

摘要

The ocular frame for mounting a glass window (4) in an opening in a wall (5) comprises a front (1), rear (2) and intermediate (3) flanges each made from a single molded piece. There are separate screws for the axial clamping of the front and intermediate cheek webs and for the axial clamping of the external support bearing surface (10) of the rear cheek web on the wall and the external support bearing surface (19) of the front flange web on the wall.