Modular Helmet Padding for Adjustable Fit Without Bulk
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Solution Overview
Problem
Existing protective helmets are bulky and require complex assembly, with external padding needed only in specific sections for sports with infrequent head-on collisions, and existing internal padding systems are not adjustable to fit various head sizes.
Innovation Solution
A helmet design with interchangeable external foam pads and adjustable internal padding bands using hook-and-loop closures, allowing for customizable fit and easy modification of padding materials and properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If external padding is added to the outside of a helmet shell, then head impact damage is mitigated, but the helmet becomes bulkier
Solution Approach 1:
The patent applies local quality by providing external padding only in specific sections of the helmet shell where head contact is most likely to occur, rather than covering the entire helmet. This allows impact protection to be concentrated where needed while minimizing overall helmet bulk and weight.
Solution Approach 2:
The external padding system is divided into separate removable pads that can be individually positioned on different sections of the helmet shell. This segmentation allows the padding to be applied only to specific areas requiring protection, reducing overall helmet volume while maintaining necessary protection.
2Adaptability or versatility
If multiple components are used for padding, then protection can be customized, but assembly becomes complex
Solution Approach 1:
The padding system is segmented into separate removable pads with standardized attachment mechanisms that can be independently selected and positioned. Each pad can be attached or removed without affecting other components, simplifying assembly while allowing customization of protection in different sections.
Solution Approach 2:
The patent employs universal attachment mechanisms (such as Velcro or snap-fit connections) that allow the same standardized interface to be used across different pad types and helmet sections. This universality enables easy customization and assembly by allowing users to combine different pad configurations using the same attachment system.
3Adaptability or versatility
If internal padding is made adjustable, then fit for various head sizes is improved, but device complexity increases
Solution Approach 1:
The internal padding system incorporates adjustable elements that allow the padding to be repositioned or reconfigured to fit different head sizes. This dynamic adjustability enables the same padding system to adapt to various user head dimensions without requiring multiple specialized padding sets.
Solution Approach 2:
The adjustment mechanisms are designed to be easily operated by the user without requiring complex tools or specialized knowledge. Self-adjusting features such as removable and repositionable pads with simple attachment mechanisms allow users to customize the fit themselves, reducing the need for complex professional adjustment systems.
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
Provides a less bulky helmet with adjustable protection, allowing for easy customization to fit different head sizes and sports requirements, enhancing comfort and safety without complex assembly.
Implementation Method 1
The padding is made of foam material, which is a viscoelastic material that absorbs impact energy through deformation and internal friction, reducing the peak forces transmitted to the head during collision
Implementation Method 2
The band includes attachment mechanisms such as hook-and-loop closures that join the distal ends together and allow adjustment of the band circumference by interlocking and disengaging the hook and loop surfaces
Data Source
AI summary
Helmet assembly for light impacts. The assembly includes a soft helmet with recesses on the helmet inner surface. Detachable pads are configured to fit in the recesses, to provide soft inner protection for the wearer. Detachable shims are configured to fit in between the pads and recesses in order to properly fit the helmet to the wearer.