Braided Goggle Strap for Even Stress Distribution
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Solution Overview
Problem
Conventional swimming goggle straps are uncomfortable due to their flat design which sticks to hair, difficult to adjust without removing the goggles, prone to twisting and breaking, and lack distinguishable features for identification.
Innovation Solution
A braided goggle strap made from resilient materials with a spring-biased fastener and colored fabric for easy adjustment and identification, featuring eye loops for secure attachment and even stress distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flat rubber strap is used, then the strap can be made from simple material, but it sticks to hair and causes discomfort
Solution Approach 1:
The strap is divided into multiple individual cords or strands that are braided together, replacing the single flat rubber band. This segmentation prevents the strap from sticking to hair while maintaining ease of manufacture through the braiding process.
Solution Approach 2:
The strap combines multiple material properties by braiding together several cords, creating a composite structure that has the flexibility of rubber but the non-sticking properties of a multi-strand construction. This composite approach resolves the contradiction between material simplicity and comfort.
2Ease of manufacture
If a flat rubber strap is used, then the strap can be easily constructed, but it twists and becomes difficult to position
Solution Approach 1:
By segmenting the strap into multiple independent cords that are braided together, the strap loses its tendency to twist as a single flat unit. Each cord can move independently, preventing the twisting problem while maintaining ease of construction through the braiding technique.
3Adaptability or versatility
If a slider or buckle is added for adjustment, then the strap becomes adjustable, but the device complexity increases and adjustment becomes difficult
Solution Approach 1:
The strap uses the user's own fingers to perform the adjustment function by simply pulling on the strap to slide through the buckle. This self-service mechanism eliminates the need for complex adjustment devices while maintaining adjustability, as the user's finger action directly accomplishes the tightening or loosening function.
4Ease of manufacture
If a thin rubber material is used, then the strap can be made from simple material, but it becomes frail and breaks over time
Solution Approach 1:
The strap is constructed from multiple individual cords braided together, so that even if one cord is thin or worn, the others remain intact and functional. This segmentation provides redundancy that significantly improves durability and reliability compared to a single thin rubber band that can break easily.
Solution Approach 2:
The braided multi-cord construction creates a composite structure that is more durable than a single thin rubber material. The combined strength of multiple cords provides better resistance to breaking over time while maintaining the simplicity of the overall construction approach.
5Ease of manufacture
If conventional straps are used, then the strap can be made from simple material, but it lacks distinguishable features for identification
Solution Approach 1:
The strap incorporates colored fabric or material in the braided construction, allowing for distinguishable features and identification. The color information is integrated into the strap itself rather than requiring separate tags or markers, maintaining material simplicity while adding identification capability.
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 braided strap provides a comfortable, adjustable, and durable solution with even stress distribution, preventing twisting and breaking, while the colored fabric aids in identification.
Implementation Method 1
a plurality of bands braided together to form a resilient, braided goggle strap
Implementation Method 2
a spring-biased fastener for adjustably attaching the strap comfortably onto a user's head
Data Source
AI summary
A braided goggle strap for use with a pair of swimming goggles includes a plurality of bands that are braided together to form a flat, braided goggle strap. Each of the plurality of bands includes an elastic material this is protected by a resilient fabric material to provide superior mechanical properties that results in even stress distribution and minimal sinusoidal stress when worn by a user. The composite reinforcement of the braided goggle strap also provides added comfort. The braided goggle strap includes a spring-biased fastener for adjustably attaching the braided strap onto a user's head, includes eye loops to more easily thread the braided goggle strap through apertures provided on a pair of swimming goggles, and comes in a variety of different colors.