Roller shade system having hembar for pleating a shade fabric

Details Roller shade system having hembar for pleating a shade fabric Roller shade system having hembar for pleating a shade fabric

2009-04-27

2011-10-25

Johnson, Blair M (Department: 3634)

Flexible or portable closure, partition, or panel

Roll type

C160S348000, C160S349100

Reexamination Certificate

active

08042597

ABSTRACT:
A pleated roller shade system allows a thin flexible shade fabric, such as, for example, silk, to be wrapped around a roller tube. The system comprises a pleating hembar contained within a hembar pocket of the shade fabric. The hembar is characterized by a non-linear shape, such as a serpentine shape, for causing the shade fabric to hang with a plurality of pleats. The hembar may comprise a plurality of C-shaped hembar sections flexibly coupled to each other. The system may also comprise an elongated pleating assembly mounted parallel to the roller tube and having a fabric-receiving opening that defines a non-linear (e.g., serpentine) path. The shade fabric may be received through the fabric-receiving opening and folded by the pleating assembly, such that the shade fabric is wrapped around the roller tube in folds as the roller tube rotates.

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U.S. Appl. No. 12/193,089, filed Aug. 18, 2008, David A. Kirby.
European Patent Office, International Search Report and Written Opinion for International Patent Application No. PCT/US2009/053393, Jul. 7, 2011, 10 pages.

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