WINDOW ESPECIALLY FOR INSTALLING ON SURFACE OF SLOPING ROOF Russian patent published in 1999 - IPC

Abstract RU 2126481 C1

FIELD: construction engineering. SUBSTANCE: window has main frame and another frame suspended by hinges to top of main frame. Also provided is handle for lifting of frame which is inserted between main frame and suspended frame. One end of this handle is connected with possibility of turning to side part of main frame. Other end of handle is connected with possibility of turning to movable slides. Slides are connected to corresponding side part of aforesaid main frame and suspended frame. Movable slides are linked with preliminarily tensioned window raising spring. Installed between movable slides and window raising spring is axial spring. Preliminary tension of axial spring is adjusted depending on angle of roof sloping so as to increase force which is created by window raising spring within preset range of window opening angles. Window is easily opened and remains in open position irrespective of opening angle. EFFECT: higher efficiency. 1 cl, 5 dwg

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RU 2 126 481 C1

Authors

Jan Fakhlen Ensen

Klaus Kornerup

Dates

1999-02-20Published

1994-12-09Filed