Vertically positioning window shading system

Details Vertically positioning window shading system Vertically positioning window shading system

1980-04-16

1982-04-27

Husar, C. J.

Flexible or portable closure, partition, or panel

Roll type

Shiftable position roll

160279, A47H 100

Patent

active

043265774

ABSTRACT:
A window screen arrangement comprises a novel roller combination for winding and unwinding the screen or shade element and at the same time providing for positioning of the entire screen assembly in any desired position vertically on a window to provide partial screening in any part of the window while at the same time permitting additional screening 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 vertical location while permitting its roller features to function.

REFERENCES:
patent: 394737 (1888-12-01), Thiel
patent: 612606 (1898-10-01), Forsyth
patent: 785806 (1905-03-01), Hopkins
patent: 938207 (1909-10-01), Brown
patent: 1112726 (1914-10-01), Sherwin
patent: 1303678 (1919-05-01), Joseph
patent: 2300024 (1942-10-01), Terrell
patent: 4202395 (1980-05-01), Heck et al.

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