Roll up roman shade

Details Roll up roman shade Roll up roman shade

1995-06-07

1997-02-18

Johnson, Blair

Flexible or portable closure, partition, or panel

Pleating type

With preformed pleats

156197, 428116, 1601211, 160238, E06B 924

Patent

active

056033680

ABSTRACT:
An improved expandable and contractible window covering comprising a series of elongated cells is disclosed. Each cell is formed by joining a pleated sheet of material with an unpleated sheet in an area of creases on the pleated sheet. The rear wall of the cell is of less height than the front wall of the cell and the material of the cell is chosen to be relatively soft and flexible so that the front wall of each cell droops downwardly and outwardly away from the rear wall. The covering is mountable on a roll bar so as to be retracted by rolling about the roll bar and extended by unrolling from the roll bar.

REFERENCES:
patent: 4677013 (1987-06-01), Anderson
patent: 5246052 (1993-09-01), Homan
patent: 5425408 (1995-06-01), Colson
patent: 5503210 (1996-04-01), Colson et al.

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