Modular Insole With Removable Stiffening Elements
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Solution Overview
Problem
Conventional insoles are not tailored to individual foot shapes and sizes, leading to inadequate support and comfort, as they are designed for an average foot, failing to accommodate variations in foot shape and changes due to medical conditions or injuries.
Innovation Solution
A modular insole system comprising a flexible shell portion and removably coupled stiffening elements, which can be customized using additive manufacturing techniques to modify stiffness and support specific areas of the foot, allowing for personalized fit and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a generic insole design is used, then manufacturing cost and simplicity are improved, but fit and support for individual feet deteriorate
Solution Approach 1:
The insole is divided into multiple removable modules including stiffening elements, cushioning elements, and arch support elements that can be independently selected and attached to the base insole, allowing customization for individual foot requirements while maintaining a simple base manufacturing process
Solution Approach 2:
The base insole is designed as a universal platform that can accommodate various combinations of stiffening, cushioning, and support modules, enabling a single base design to serve multiple foot types and conditions through modular attachments
2Adaptability or versatility
If the entire insole is replaced to accommodate foot changes, then support and comfort are improved, but waste and cost increase
Solution Approach 1:
The insole system separates the durable base insole from the wear-prone modules, allowing only the necessary modules to be replaced when foot conditions change, thereby reducing waste compared to replacing the entire insole
Solution Approach 2:
Individual modules can be removed and replaced independently while the base insole is retained and reused, recovering the value of the durable base component and minimizing material waste
3Adaptability or versatility
If additive manufacturing is used for customization, then personalization and fit are improved, but manufacturing complexity increases
Solution Approach 1:
The insole is divided into multiple removable modules including stiffening elements, cushioning elements, and arch support elements that can be independently selected and attached to the base insole, allowing customization for individual foot requirements while maintaining a simple base manufacturing process
Solution Approach 2:
Additive manufacturing enables customization by varying parameters such as infill density, wall thickness, and structural geometry of the modular elements, allowing personalization without requiring completely different manufacturing processes
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 modular insole system provides tailored support and comfort by allowing customization of stiffness and shape to match individual foot anatomy, accommodating changes over time without replacing the entire insole, thus enhancing support and reducing waste.
Implementation Method 1
One such technique involves the selective solidification of portions of successive layers of build material to form an intended object
Data Source
AI summary
A modular insole for an article of footwear is disclosed. The modular insole comprises a shell portion having a first surface arranged to face a foot of a wearer of the article of footwear and a second surface arranged to face away from the foot of the wearer; and a stiffening element capable of being removably coupled to the second surface of the shell portion and arranged to modify a stiffness of the modular insole when the stiffening element is coupled to the shell portion. A method and a machine-readable medium are also disclosed.