Elastic Footwear Protector with Hook-and-Loop Fastener for Motorcycle Shifter Rigidity
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Solution Overview
Problem
Existing footwear protectors are inconvenient to use, often resulting in a loose fit, failing to provide satisfactory protection for a variety of shoe sizes, and do not adequately add rigidity to footwear for comfortable operation of mechanisms like motorcycle shifters.
Innovation Solution
A flat and elongate footwear protector with a coupler on one end for quick attachment to shoelaces or footwear edges, utilizing elastic and abrasion-resistant materials, and hook-and-loop fasteners for secure wrapping and tension adjustment, ensuring a snug fit and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional footwear protectors use supplementary attachments (material around rear of shoe or laces), then protection coverage is improved, but ease of operation deteriorates due to slow putting on and taking off
Solution Approach 1:
The patent removes the complex supplementary attachment system (material wrapping around rear of shoe or lace attachments) and replaces it with a simple velcro fastening system. This extraction of unnecessary components directly resolves the contradiction by maintaining protection coverage through the main body protector while dramatically improving ease of operation through quick velcro attachment and detachment.
Solution Approach 2:
The protector is divided into distinct functional segments: a main body portion for protection, and a separate velcro fastening system for secure attachment. This segmentation allows the protective function and the attachment function to be optimized independently, resolving the contradiction between comprehensive protection and easy operation.
2Manufacturing precision
If footwear protectors are designed for specific shoe sizes, then fit precision is improved, but adaptability deteriorates for variety of shoe sizes
Solution Approach 1:
The protector incorporates adjustable velcro fastening systems that can accommodate multiple shoe sizes and types. The velcro straps can be adjusted to fit different foot dimensions while maintaining a secure, precise fit. This universal design resolves the contradiction by enabling the same protector to provide precise fit across a range of shoe sizes rather than requiring size-specific models.
Solution Approach 2:
The velcro fastening system provides dynamic adjustability, allowing users to customize the fit for their specific shoe size and foot shape. This dynamic adjustment capability resolves the contradiction between precise fit (achieved through customization) and adaptability (achieved through adjustable range).
3Ease of operation
If footwear protectors use loose fitting design, then comfort is improved, but protection effectiveness deteriorates due to sloppy fit
Solution Approach 1:
The velcro fastening system enables dynamic tension adjustment, allowing users to achieve an optimal balance between comfort and protection effectiveness. The system can be tightened to eliminate sloppiness for maximum protection, or loosened slightly for enhanced comfort, resolving the contradiction between these two requirements.
Solution Approach 2:
The adjustable velcro system allows changing the tension parameter of the protector fit. Users can adjust the tension to achieve either a snug fit for maximum protection or a slightly looser fit for comfort, thereby resolving the contradiction between protection effectiveness and comfort.
4Adaptability or versatility
If footwear protectors lack rigidity, then flexibility is improved, but operational comfort deteriorates when operating mechanisms with foot
Solution Approach 1:
The protector incorporates rigid or semi-rigid material in the areas that contact the foot during mechanism operation (such as the toe area and pressure points), while maintaining flexibility in other areas. This local differentiation of material properties resolves the contradiction by providing rigidity where needed for operational comfort while preserving overall flexibility for adaptability.
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 solution provides a convenient, form-fitting protector that accommodates various shoe sizes, adds rigidity, and effectively prevents damage to footwear during use of mechanisms, with easy storage and aesthetic customization.
Implementation Method 1
utilizing elastic and abrasion-resistant materials
Implementation Method 2
hook-and-loop fasteners for secure wrapping and tension adjustment
Implementation Method 3
utilizing elastic and abrasion-resistant materials
Data Source
AI summary
A footwear protector includes an elastic layer, an abrasion-resistant layer coupled with the elastic layer, at least one fastener layer coupled with the elastic layer, and a coupler coupled with at least one of the layers and configured to couple with a portion of footwear.