Modular Footwear Sole Structure for Interchangeable Outsole Customization
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Solution Overview
Problem
Conventional athletic footwear lacks the ability to easily modify or customize sole structures and upper components, limiting user preferences and functionality.
Innovation Solution
The footwear design includes separate and separable outsole and midsole components that are removably engaged, allowing for interchangeable configurations and easy customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional athletic footwear uses integrated sole structures, then manufacturing simplicity is maintained, but adaptability and customization capability are limited
Solution Approach 1:
The sole structure is divided into separate outsole and midsole components that can be independently manufactured and then assembled together. The outsole includes a forefoot portion, midfoot portion, and heel portion that are separable from the midsole, allowing for modular customization while maintaining manufacturing efficiency through standardized interfaces.
Solution Approach 2:
The midsole is designed with universal engagement features including recesses, protrusions, and channels that can accommodate multiple different outsole configurations. This allows a single midsole to work with various outsole types (athletic, dress, casual) through standardized attachment mechanisms, providing multi-functionality without increasing overall system complexity.
2Ease of repair
If footwear components are made separable and interchangeable, then ease of repair and customization are improved, but device complexity increases
Solution Approach 1:
The footwear is segmented into replaceable components including the outsole, midsole, and upper portions. Each component can be independently removed and replaced through defined engagement interfaces, facilitating easy repair and maintenance without requiring complete footwear replacement.
Solution Approach 2:
Standardized engagement features act as intermediaries between components, including recesses in the midsole that receive protrusions from the outsole, and channel structures that guide proper alignment. These intermediary features simplify the assembly process and ensure correct component positioning while enabling easy replacement.
Data Source
AI summary
Footwear and/or sole structures may include any one or more of: (a) a midsole component having one or more relatively large projections that extend into one or more corresponding openings in a midsole component (wherein the free end surface(s) of the large projection(s) may be siped); (b) a midsole component having one or more relatively small protrusions that extend into one or more small corresponding holes in an outsole component; (c) a midsole component having one or more relatively small holes into which one or more small corresponding protrusions on the outsole component extend; (d) a midsole component having medial and/or lateral side ridges (e.g., at least in an arch area) that receive a portion of outermost side edges of a corresponding outsole component; and/or (e) a midsole component having a relatively large central arch recess exposed through an opening in the outsole component.