Removable Midsole Projections for Customizable Footwear
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Solution Overview
Problem
Conventional footwear midsoles are designed to balance cushioning and stability but fail to accommodate individual preferences and varying activities, as they are not easily customizable to meet specific user needs or ground surfaces.
Innovation Solution
A removable midsole with projections that fit into apertures in an upper plate, allowing for interchangeable midsoles with different characteristics, such as cushioning and stability, to be easily inserted and removed, enabling customization of footwear performance and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a thick midsole is used, then cushioning is improved, but stability deteriorates
Solution Approach 1:
The midsole is divided into multiple independent foam columns rather than a single continuous block. Each column can be independently configured with specific dimensions and foam properties, allowing optimization of both cushioning and stability characteristics simultaneously
Solution Approach 2:
Different regions of the midsole can have different foam column configurations (dimensions, density, material properties) tailored to local requirements. For example, higher density foam columns can be placed in areas requiring more support while lower density columns provide cushioning in other areas
2Reliability
If midsole dimensions and foam properties are optimized for specific activities, then performance is improved, but adaptability to different users and conditions deteriorates
Solution Approach 1:
The midsole configuration is made changeable rather than fixed. Users can adjust the foam column properties (density, dimensions, material) to match their specific weight, preferred cushioning level, and activity requirements, allowing the same footwear to adapt to different users and conditions
Solution Approach 2:
The foam column parameters (density, dimensions, material composition) can be varied to accommodate different user needs. The system allows selection of different foam properties to match specific wearer weights, cushioning preferences, and activity types, transforming a static design into an adjustable one
3Ease of manufacture
If conventional midsole materials are used, then ease of manufacture is improved, but customization capability deteriorates
Solution Approach 1:
The midsole is segmented into discrete foam columns that can be independently manufactured and assembled. This modular approach maintains manufacturing simplicity while enabling easy customization by swapping or reconfiguring individual columns to meet different performance requirements
Data Source
AI summary
An article of footwear includes an upper and an upper plate secured to the upper and having a plurality of apertures formed therein. A removable midsole has a plurality of projections extending from a lower surface thereof, with each projection extending through one of the apertures of the upper plate.