Elastic Hook Spat for Secure Shoe Attachment
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Solution Overview
Problem
Existing spats and crampons lack stable detachable attachment mechanisms to legs and shoes, leading to instability and potential foreign substance intrusion or slipping issues during use.
Innovation Solution
The design incorporates a flexible spat with a quadrangle-shaped body, an elastic line, and hooks, along with a crampon featuring a flexible band, through holes, and a chain peak part, which are connected via rings for secure attachment and prevention of movement or foreign substance entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If spats and crampons are detachably attached to legs and shoes, then ease of operation is improved, but stability of attachment deteriorates
Solution Approach 1:
The spat body is divided into outer layer and inner layer, with the inner layer containing the elastic line and hooks. This segmentation allows the attachment mechanism to be integrated within the structure while maintaining detachability. The hooks are separated from the main body until needed for attachment.
Solution Approach 2:
The elastic line provides dynamic attachment capability, allowing the spat to be easily attached and detached while maintaining stability during use. The elastic material enables the hooks to flex and engage with the shoe or leg, providing both ease of operation and secure attachment.
2Reliability
If spats and crampons are securely attached to prevent movement, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The elastic line and hooks are designed to automatically engage with the shoe or leg without requiring complex fastening mechanisms. The elastic material naturally pulls the hooks into position, providing self-service attachment that is both secure and easy to operate.
Solution Approach 2:
The elastic line changes its physical state between attached and detached conditions. When attached, the elastic material is stretched and maintains constant tension to secure the spat. When detached, the material returns to its relaxed state, enabling easy removal without force.
3Reliability
If the elastic line length is shortened, then attachment stability is improved, but ease of operation deteriorates
Solution Approach 1:
The elastic line's length parameter is optimized to provide sufficient flexibility for attachment while maintaining stability during use. The specific length allows the hooks to reach the attachment points on the shoe or leg without excessive stretching, balancing stability and ease of operation.
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 enables stable detachable attachment of spats to legs and crampons to shoes, preventing foreign substances from entering the shoe and reducing slipping on icy surfaces, while maintaining ease of use and attachment stability.
Implementation Method 1
an elastic line extending from the one end to the other end inside of the lower side of the body
Data Source
AI summary
Spats comprise: a body, one end and the other end of which are attached to or detached from each other; an elastic line extending from the one end to the other end inside of the lower side of the body; and one or more hooks connected to the elastic line and exposed to the outside.