Detachable Elastic Heel Strap for Foam Shoes
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Solution Overview
Problem
Current shoes molded from lofted or foam materials lack a flexible and detachable heel strap solution, which is essential for comfort and adjustability.
Innovation Solution
A shoe design featuring a detachable and flexible heel strap made of elastic textile material, with one end fixedly attached to the base section and the other end using a disengagable attachment device like Velcro, allowing for adjustable and removable attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a heel strap is added to foam-molded shoes, then comfort and support are improved, but device complexity increases
Solution Approach 1:
The heel strap is designed as a separate, detachable component from the shoe body. This segmentation allows the strap to be independently attached and removed, providing comfort and adjustability without permanently complicating the shoe structure. The strap can be configured in different positions or removed entirely based on user needs.
Solution Approach 2:
The heel strap incorporates elastic textile material that provides flexible, dynamic adjustment. The elastic properties allow the strap to adapt to different foot shapes and sizes, while the detachable nature enables dynamic reconfiguration - the user can attach, detach, or reposition the strap as needed, maintaining simplicity while improving comfort.
2Ease of operation
If a detachable attachment device is used, then ease of operation is improved, but reliability decreases
Solution Approach 1:
The attachment device is designed to be self-servicing through the use of elastic textile material with inherent friction and tension properties. The elastic nature of the material provides automatic tensioning and self-latching when attached, eliminating the need for complex locking mechanisms while maintaining secure attachment. The user simply needs to engage the strap, and the elastic material itself provides the securing force.
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 flexible heel strap enhances comfort and adjustability, providing better fit and support while allowing for easy detachment and reattachment, improving overall shoe performance.
Implementation Method 1
The flexible heel strap 102 may be formed of an elastic, textile material
Data Source
AI summary
A shoe manufactured from a moldable foam material having a heel strap formed of a flexible and elastic material. The heel strap has a first end which is fixedly attached to an interior outer side of an upper portion of shoe. The heel strap also has a second end which is removeably attachable to an exterior outer side of the upper portion of the shoe though use of a Velcro loop arrangement and a cooperating Velcro hook arrangement which are attached each to one of the exterior outer side of the upper portion of the shoe and the second end of the heel strap.