Tensioning device for a rolling screen arrangement

Details Tensioning device for a rolling screen arrangement Tensioning device for a rolling screen arrangement

1976-10-27

1981-02-24

Caun, Peter M.

Flexible or portable closure, partition, or panel

Roll type

With rotating means

A47G 502

Patent

active

042521726

ABSTRACT:
A rolling screen arrangement such as a window blind, a rolling garage door or a projection screen comprises a tensioning device applying a progressively increasing tension on the flexible rolling element as it unwinds.

REFERENCES:
patent: 262398 (1882-08-01), Gerard
patent: 582243 (1897-05-01), Trumble
patent: 673779 (1901-05-01), Morgan
patent: 1134326 (1915-04-01), Gambon
patent: 2057850 (1936-10-01), Sims
patent: 3074474 (1963-01-01), Dunn

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