Pull-on Boot Expansion Panels for Foot Geometry Adaptation
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Solution Overview
Problem
Traditional pull-on boots lack customization for individual foot and leg geometry, leading to suboptimal fit and ease of entry/exit, as they are designed for the most common configuration within a size, resulting in discomfort for those with varying dimensions.
Innovation Solution
Incorporation of expansion panels with elastic inserts on the lateral and medial sides of the boot, allowing the boot to stretch and adapt to specific foot and leg shapes, maintaining simplicity and style while enhancing fit and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If pull-on boots are designed for the most common foot and leg configuration, then manufacturing simplicity and style consistency are maintained, but fit quality and comfort deteriorate for users with varying dimensions
Solution Approach 1:
The boot is divided into rigid structural components and flexible expansion panels. The expansion panels are segmented into multiple sections with elastic inserts, allowing different parts of the boot to have different degrees of flexibility. This segmentation enables the boot to maintain its basic shape while adapting to individual foot and leg geometries, resolving the contradiction between manufacturing simplicity and fit quality.
Solution Approach 2:
The boot incorporates elastic inserts that change the physical parameters of the boot material in specific regions. These elastic panels have different stretch characteristics compared to the rigid portions, allowing the boot to dynamically adjust its dimensions to match the user's anatomy. This parameter change enables customized fit without requiring multiple boot sizes or complex adjustment mechanisms.
2Adaptability or versatility
If expansion panels with elastic inserts are added to accommodate varying foot geometries, then fit quality and adaptability improve, but device complexity increases
Solution Approach 1:
Rather than making the entire boot flexible, elastic inserts are strategically placed only in specific regions where adaptability is needed, such as the instep and ankle areas. The majority of the boot structure remains rigid to maintain durability and style. This localized application of elasticity provides fit adaptability without requiring the entire boot to be complex or flexible.
Solution Approach 2:
The expansion panels introduce dynamic characteristics to specific portions of the boot, allowing these areas to stretch and contract as needed. The rigid portions remain static and stable. This combination of dynamic and static elements provides adaptability where needed while maintaining overall structural simplicity and durability.
3Ease of operation
If the boot is designed to stretch and adapt to individual geometry, then ease of entry and exit improves, but structural stability may deteriorate
Solution Approach 1:
The boot is segmented into rigid structural components that provide stability and flexible expansion panels that enable ease of entry and exit. The rigid portions maintain the boot's overall shape and structural integrity, while the flexible panels allow the boot to stretch during the pulling-on process and then recover to its stable form once the foot is inserted.
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 boot provides a better fit for a wider range of people by expanding to accommodate unique foot and leg geometries, facilitating easier entry and exit while maintaining comfort and durability.
Implementation Method 1
the panel and the expansion insert are constructed to allow the panel to stretch away from the boot
Data Source
AI summary
The present disclosure provides a pull-on style boot that fits better for a larger number of people sharing the particular shoe size. The boot of the present disclosure has the ability to expand to adapt to the user's particular foot and lower leg geometry. The boot provides an improved dynamic and static fit and also facilitates foot entry and exit.