Vertically positioning window shading system

Details Vertically positioning window shading system Vertically positioning window shading system

E - Fixed Constructions

06

B

160/9

E06B 9/42 (2006.01) E06B 9/58 (2006.01) E06B 9/64 (2006.01)

Patent

CA 1195601

ABSTRACT OF THE DISCLOSURE This invention is an improvement over my U.S. Patent No. 4,326,577 issued April 27, 1982 for a window screen arrange- ment comprising a novel roller combination for winding and un- winding the screen or shade element and at the same time posi- tioning of the entire screen assembly in a desired position vertically on a window to provide partial screening in any part of the window while at the same time permitting additional screen- ing provided by the operation of the screen upon a roller. The method of supporting the screen in the window opening comprises a novel arrangement of cords for support and positioning which permit the foregoing without the use of pulleys, springs, counter- weights, hooks, clamps or other positioning devices to hold the screen assembly in any given location by permitting its roller features to function. The arrangement used here entails the use of only two instead of four cords as in my previous in- vention and by means of the novel continuous arrangement of the cords it simplifies the construction and permits positioning of the rollers at an angle to the window frame from the hori- zontal. I also provide a novel method of fastening the screen upon the rollers.

409228

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