Interchangeable Footwear Sole Elements for Customized Cushioning
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Solution Overview
Problem
Conventional footwear sole structures are often designed based on general conditions or preferences, failing to accommodate individual variations, leading to unsatisfactory cushioning for many wearers.
Innovation Solution
The design of an article of footwear with multiple independently removable and replaceable support elements, secured by elastic retaining bands, allowing users to customize cushioning characteristics through the selection of support elements with desired properties, and incorporating sensors and a processor to measure foot forces and recommend element replacements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a sole structure is designed based on general conditions or preferences, then manufacturing complexity is reduced and production is simplified, but cushioning performance becomes unsatisfactory for many individual wearers
Solution Approach 1:
The sole structure is divided into multiple independent support elements (first support element, second support element, third support element) that can be selectively removed and replaced. Each support element is a separate component that provides cushioning in a specific region, allowing individual customization without redesigning the entire sole structure.
Solution Approach 2:
The sole structure is designed with multiple positions where different types of support elements can be installed. The same base sole structure can accommodate various combinations of support elements with different properties (cushioning, stability, motion control), making it universally adaptable to different wearer needs through simple element replacement.
2Adaptability or versatility
If multiple independently removable support elements are incorporated into the sole structure, then cushioning customization for individual wearers is enabled, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The support elements are designed as separate, pre-manufactured components that can be independently produced and then assembled into the sole structure. This segmentation allows each element to be manufactured using optimized processes for its specific function, and assembly is simplified through standardized interfaces and retention mechanisms.
Solution Approach 2:
A retention mechanism acts as an intermediary component that facilitates the connection between support elements and the sole structure. This intermediary element enables easy installation and removal of support elements without complex bonding or mechanical fastening processes, simplifying both manufacturing and user replacement.
3Measurement precision
If sensors and processors are added to measure foot forces and recommend element replacements, then personalized cushioning optimization is improved, but device complexity and cost increase
Solution Approach 1:
Sensors are integrated into the sole structure to measure foot forces during use, and this measurement data is fed back to a processor that analyzes the information and provides recommendations for optimal support element selection. This feedback loop enables data-driven customization without requiring complex manual assessment procedures.
Solution Approach 2:
The electronic system automatically measures foot forces, processes the data, and generates replacement recommendations without requiring user intervention for measurement or analysis. The system serves itself by autonomously collecting data and providing actionable insights, reducing the need for complex external measurement equipment or expert intervention.
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
Enables personalized cushioning adjustments, improving comfort and performance by allowing users to tailor the sole structure to their specific needs, enhancing the overall fit and functionality of the footwear.
Implementation Method 1
Each of the support elements may be at least partially secured in a corresponding position on the sole structure by a corresponding retaining band, with each of those retaining bands being elastically and non-destructively expandable
Data Source
AI summary
A shoe may comprise an upper and a sole structure that includes a plurality of support elements located in a plantar region. Each of the support elements may be non-destructively removable from and replaceable into the sole structure. The shoe may comprise a plurality of sensors configured to measure force exerted in a footbed region of the article of footwear, as well as a processor communicatively coupled to the sensors. The processor may be configured to receive input indicative of forces measured by the sensors and to transmit data based on that input. Methods utilizing the article may include removing a support element and replacing the removed support element with a replacement support element.