| 摘要 |
The invention concerns a device comprising a screen ( 2 ) presenting flexible side edges ( 4 ) having an overthickness ( 4 '), this screen ( 2 ) being equipped with one cable or with several juxtaposed cables ( 21 ), incompressible in their lengthwise direction, extending parallel to the side edges ( 4 ) of the screen so as to enable the application of a thrust force on these side edges ( 4 ) in their longitudinal direction to move the screen to its closed position, this cable or cables ( 21 ) being located in the neutral surface ( 24 ) of said edges ( 4 ) formed on bending of the latter and being fixed with respect to the screen ( 2 ) in an unremovable way; the overthickness comprises a flexible strip ( 8 ) made of an elastic material, wherein the cable or cables ( 21 ) are incorporated, as well as two notched belts ( 9, 10 ) being located the one with respect to the other on each of both sides of the curtain ( 2 ).
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