Modular Footwear Assembly With Threaded Replaceable Parts
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Solution Overview
Problem
Current footwear manufacturing methods require machinery, glues, and manual dexterity, making it difficult to customize shoe components based on foot morphology, and components are not easily replaceable or recyclable, leading to wear imbalances and high repair costs.
Innovation Solution
A kit of assemblable pieces that can be assembled without glues, seams, or machinery, allowing easy disassembly and replacement of components like the upper, sole, and insole using a threaded screw system for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional footwear assembly methods (gluing, stitching, nailing) are used, then the footwear has sufficient strength and durability, but the components become difficult to detach, repair, or replace
Solution Approach 1:
The footwear is divided into separate modular components (upper, sole, insole, heel) that can be independently replaced. The assembly uses discrete connection elements (cubes with threaded holes, screws) rather than continuous bonding, allowing individual components to be detached and replaced without affecting other parts.
Solution Approach 2:
Traditional mechanical fastening methods (stitching, nailing, gluing) are replaced with a screw-based threaded connection system. This substitution allows for easy assembly and disassembly while maintaining strong joints, resolving the contradiction between joint strength and component replaceability.
2Productivity
If machinery, glues, and specialized tools are used for footwear assembly, then manufacturing precision and productivity are improved, but the complexity of manufacturing processes and equipment requirements increase
Solution Approach 1:
The footwear components are designed with self-aligning features (cubes that fit into corresponding holes) and self-fastening capabilities (threaded screws that can be manually tightened). This eliminates the need for complex positioning machinery, specialized gluing equipment, or skilled manual operations, simplifying the manufacturing process while maintaining assembly speed.
3Strength
If the footwear is designed as a unified structure with glued or stitched components, then the overall strength is maintained, but the adaptability for customization and component replacement is reduced
Solution Approach 1:
The connection system uses standardized components (cubes with threaded holes, matching screws) that can universally connect different footwear components. This universal interface allows for customization and interchangeability of parts while maintaining consistent structural integrity across all connections.
4Duration of action of stationary object
If traditional assembly methods are used, then the footwear has sufficient durability, but the recyclability and environmental sustainability are reduced due to glues and solvents
Solution Approach 1:
Harmful substances (glues, solvents, chemicals) are completely extracted from the assembly process. The connection system relies solely on mechanical interlocking (cubes in holes) and threaded fasteners (screws), eliminating all chemical bonding agents and their associated environmental hazards while maintaining durable connections.
Data Source
AI summary
This invention relates to a kit containing a series of assemblable pieces/modules that allows the easy and fast assembly and disassembly of footwear without the use of machinery, glues or particular manual dexterity.