Folding blind structure

Details Folding blind structure Folding blind structure

2005-09-06

2005-09-06

Johnson, Blair M. (Department: 3634)

Flexible or portable closure, partition, or panel

Pleating type

With preformed pleats

C156S292000, C156S308400

Reexamination Certificate

active

06938664

ABSTRACT:
A folding blind structure has an upper and a lower beams with a pair of overlapping inner and outer blind layers attached there-between wherein the inner blind layer has consecutive large transverse V-shaped folding sections with long adhering sections disposed at the middle thereof, while the outer blind layer has small transverse V-shaped folding sections with short adhering sections disposed at the inner edge thereof. Via rollers clamping tight the long and short adhering sections synchronically for fastening thereof, the inner and outer blind layers are automatically assembled with large hollow arc patterns formed at the front section of the combined inner and outer blind layers, and small hollow arc patterns disposed at the rear side of the large transverse V-shaped folding sections thereof. Besides, the large transverse V-shaped folding sections can also have long adhering sections disposed at the rear side thereof to be fastened tight with the short adhering sections thereof via the clamping of rollers with large hollow arc patterns formed at the front section of the combined inner and outer blind layers thereof.

REFERENCES:
patent: 2201356 (1940-05-01), Terrell
patent: 2350094 (1944-05-01), Butts
patent: 4685986 (1987-08-01), Anderson
patent: 5158632 (1992-10-01), Colson et al.
patent: 5205333 (1993-04-01), Judkins

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