Double-layer roller blind

Details Double-layer roller blind Double-layer roller blind

2006-06-13

2006-06-13

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Roll type

Reexamination Certificate

active

07059377

ABSTRACT:
A double-layer roller blind includes a first roller and a second roller horizontally arranged in parallel at the top side of a window, a first shade fastened with a top edge thereof to the first roller, a first bottom bar fastened to a bottom edge of the first shade, a second shade fastened with a top edge thereof to the second roller, and a second bottom bar fastened to a bottom edge of the second shade and suspended below the first bottom bar. The first bottom bar is provided with an insertion space through which the second shade is inserted such that the second shade is kept close to the first shade.

REFERENCES:
patent: 1046862 (1912-12-01), Sands
patent: 1303081 (1919-05-01), Losee
patent: 1713452 (1929-05-01), Schiff
patent: 2702081 (1955-02-01), North et al.
patent: 3980122 (1976-09-01), Takazawa
patent: 4151871 (1979-05-01), Ryan
patent: 4433711 (1984-02-01), Lew
patent: 5524693 (1996-06-01), Hamilton

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