Window Covering Side Track with Shape Memory Geometry
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Solution Overview
Problem
Traditional window coverings often leave gaps between the frame and the panel, which compromise light control, thermal insulation, and privacy, and existing solutions either inhibit the raising and lowering of the panel or are aesthetically unpleasing.
Innovation Solution
Integration of side tracks made from shape-memory materials, such as thermoplastic reinforced composites, that change geometry from a flat shape to a three-dimensional tube as they extend along the panel's edge, filling the gaps between the panel and the frame, and retracting when raised, eliminating the need for separate side tracks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional window coverings are used without side tracks, then the panel can be easily raised and lowered, but gaps are left between the frame and panel compromising light control, thermal insulation, and privacy
Solution Approach 1:
The side track is designed to dynamically change its geometry from a compact first geometry during retraction to an extended second geometry during deployment. This dynamic transformation allows the side track to adapt its shape and size based on the panel's position, providing gap sealing when needed while maintaining ease of operation when retracted.
Solution Approach 2:
The side track utilizes shape memory material that can change its physical parameters (geometry, shape, dimensions) in response to specific conditions such as temperature changes or mechanical activation. This parameter change enables the side track to transform between compact and extended states, effectively sealing gaps without permanently obstructing the panel's movement.
2Object-affected harmful factors
If side tracks are added to eliminate gaps, then light control, thermal insulation, and privacy are improved, but the raising and lowering of the panel is inhibited
Solution Approach 1:
The side track transitions from a static structure to a dynamic one that can change its geometry. When the panel is raised or lowered, the side track dynamically adjusts its shape and position, retracting to allow smooth panel movement while extending to seal gaps when the panel is in position.
Solution Approach 2:
The side track is designed to nest within itself or within the panel assembly when retracted, similar to nested dolls. This nesting capability allows the side track to occupy minimal space during panel operation while providing full gap-sealing functionality when extended, thus not interfering with panel raising and lowering.
3Object-affected harmful factors
If separate side tracks are added to eliminate gaps, then light control, thermal insulation, and privacy are improved, but the device complexity increases and aesthetic appeal is reduced
Solution Approach 1:
The side track is integrated directly into the panel structure, merging two previously separate components (panel and side track) into a single unified assembly. This integration eliminates the need for separate side track installations, reducing device complexity while maintaining the gap-sealing function and improving aesthetic appeal through a cleaner, more streamlined appearance.
Solution Approach 2:
The integrated side track serves multiple functions: it seals gaps to improve light control and thermal insulation, maintains aesthetic appeal by being part of the panel's design, and does not interfere with panel operation. This multi-functionality reduces the need for additional separate components, simplifying the overall device.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides improved light control, thermal insulation, and privacy by eliminating gaps between the panel and the frame while maintaining smooth operation and aesthetic appeal.
Implementation Method 1
The side track changes from a first geometry to a second geometry as the side track is extended. The side track may comprise a material that has shape memory such that the first geometry is a flat shape and the second geometry is a tube.
Implementation Method 2
The side track may comprise a material that has shape memory such that the side track curls about two axes with a first axis A-A being disposed substantially parallel to the lateral edge. A second axis B-B may be disposed substantially perpendicular to the first axis A-A.
Data Source
AI summary
In one embodiment, a window covering comprises a panel having a lateral edge where the panel is movable between a raised position and a lowered position. A side track is secured to the panel such that as the panel is moved between the raised position and the lowered position the side track is extended along the lateral edge. The side track changes from a first geometry to a second geometry as the side track is extended.