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US 12,716,293 B2Granted
Blockout blind systems
AssigneeCommercialisation Express Pty Ltd
InventorJohn Riemelmoser
Life of this patent
Estimating the term…
Abstract
A blockout blind system includes a pelmet with a roller blind fitted and at least one strip attached to the pelmet and forming a light seal against the blind. A single flexible strip may drape over the top of the blind, or a front and rear flexible strip may instead drape over the front and rear of the blind, or a semi-rigid resilient strip may be deflected by the blind to form the light still. Additionally, a cross rail at the bottom of the blind is free to move vertically with respect to the blind to provide an effective light seal agains a non-horizontal window sill.
Claims8
A blockout blind system comprising:
- a roller blind;
- a bottom cross rail;
- wherein a bottom end of the roller blind is retained within the bottom cross rail in a manner such that the bottom cross rail can move vertically with respect to the bottom end of the roller blind;
- wherein the bottom cross rail comprises:
- a cavity of a first height and an access passage to the cavity of a width;
- wherein the bottom end of the blind comprises:
- a thickened section of a thickness which is greater than the width and a second height which is less than the first height
- wherein the thickened section of the blind is formed by the blind being wrapped around a spline;
- and
- wherein at least one clip envelopes the thickened section of the blind such that the spline is free to move laterally relative to the blind.
7 more elements
Dependencies are inferred from the claim text.