Directionally Flexible Arch Support with Articulated Segments
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Solution Overview
Problem
Conventional footwear often compromises between providing support and flexibility, typically focusing on one aspect over the other, which is inadequate for activities requiring both, such as dance-related movements.
Innovation Solution
The design incorporates a directionally flexible arch support with articulatable segments that can rotate freely in one direction while limiting rotation in the opposite direction, combined with articulatable straps in the upper for secure fit and flexibility, allowing for robust support during downward forces and flexibility in other movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a stiff sole structure with arch support is used, then support to the foot is improved, but flexibility for foot movements deteriorates
Solution Approach 1:
The arch support is divided into multiple articulatable segments (heel segment, midfoot segment, forefoot segment) that can rotate relative to each other, allowing the structure to provide support while accommodating natural foot movements and flexibility requirements
Solution Approach 2:
The arch support transitions from a static rigid structure to a dynamic articulated structure with controlled rotation capabilities, enabling the support to adapt to different foot positions and movements while maintaining structural integrity
2Ease of operation
If an extremely flexible sole structure is used, then flexibility for foot movements is improved, but support to the arch deteriorates
Solution Approach 1:
By segmenting the arch support into multiple articulatable sections, each segment can independently rotate to accommodate flexibility requirements while the collective structure maintains arch support through controlled articulation between segments
Solution Approach 2:
The rotation resistance between segments is carefully calibrated to provide sufficient support in the arch region while allowing necessary flexibility for dance movements, achieving a balance between support and flexibility through parameter optimization
3Strength
If a unidirectional arch support is used, then support in one direction is improved, but flexibility in other directions deteriorates
Solution Approach 1:
The articulated segmentation allows the arch support to provide directional support where needed while permitting flexibility in other directions through controlled rotation between segments, achieving multi-directional adaptability
Solution Approach 2:
The dynamic articulation between segments enables the arch support to adapt its stiffness and flexibility characteristics based on the direction and magnitude of applied forces, providing support in loading directions while allowing flexibility in movement directions
Data Source
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AI summary
An article of footwear is disclosed that includes an upper and a sole structure secured to the upper. The sole structure may include a flexible arch support adapted to provide support for a user's arch while permitting the arch to flex away from the user's foot. The flexible arch support may include a plurality of articulatable segments that, from a resting position, can rotate with respect to each other away from the user's foot, while resisting articulation in an opposite direction. The upper may include articulatable straps that secure the article of footwear to the user's foot while providing flexibility for foot bends or other movements.