IMPROVEMENTS IN AND RELATING TO BLINDS

IMPROVEMENTS IN AND RELATING TO BLINDS

1,209,444. Roller blinds. A. LEVIN. 9 Nov., 1967 [17 Nov., 1966], No. 51585/66. Heading A4B. A roller blind comprises a sheet of flexible material or a plurality of slats hingedly connected at their long, transversely extending edges, the sheet or slats being perforated with slits having raised uppe...

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Bibliographische Detailangaben
1. Verfasser: ALLAN LEVIN
Format: Patent
Sprache:eng
Schlagworte:
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES
LADDERS
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Zusammenfassung:1,209,444. Roller blinds. A. LEVIN. 9 Nov., 1967 [17 Nov., 1966], No. 51585/66. Heading A4B. A roller blind comprises a sheet of flexible material or a plurality of slats hingedly connected at their long, transversely extending edges, the sheet or slats being perforated with slits having raised upper edges which limit the permitted angle of incidence of light transmitted directly through the screen. The slits may be arranged in longitudinal rows with the slits of adjacent rows staggered.