Hinged Helmet Attachment for Comfortable Ear Accessory Fit
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Solution Overview
Problem
Existing helmet systems face issues with ear accessories that add weight, do not function during dismounted operations, and cause discomfort due to improper fit and extra retention elements, particularly in military and rescue activities.
Innovation Solution
A hinge mechanism is introduced to attach ear accessories to a helmet using a slidable mounting rail, allowing the accessory to extend below the helmet edge or fold into a lower-profile configuration, with a pivot arm that can be retrofitted to standard earphones and includes features for wire clearance and adjustable pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If ear accessories are built into the helmet, then communication capability is improved, but weight increases and functionality is lost during dismounted operations
Solution Approach 1:
The ear accessory is separated from the helmet into an independent component that can be attached and detached as needed. The hinge mechanism allows the ear accessory to be mounted on the helmet when communication is required and removed when weight reduction is needed, resolving the contradiction between having communication capability and maintaining low weight.
2Weight of moving object
If ear accessories are worn separately beneath the helmet, then weight is reduced, but fit and protection are compromised
Solution Approach 1:
The hinge mechanism acts as an intermediary between the ear accessory and the helmet. It provides a secure attachment point on the helmet exterior that allows the ear accessory to be properly positioned and secured without requiring it to be worn beneath the helmet, thus maintaining both low weight and proper fit.
3Reliability
If multiple retention elements are used to hold earphones and helmet, then security is improved, but discomfort increases
Solution Approach 1:
The hinge mechanism combines the retention function with the attachment function into a single integrated component. Instead of having separate retention elements holding both the earphones and the helmet, the hinge mechanism provides a unified solution that secures the ear accessory to the helmet while maintaining wearer comfort through proper positioning and reduced retention points.
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 provides a comfortable and secure attachment of ear accessories, maintaining helmet fit and protection while allowing easy stowage and reducing discomfort, suitable for various helmet types and environments.
Implementation Method 1
A hinge mechanism is introduced to attach ear accessories to a helmet using a slidable mounting rail, allowing the accessory to extend below the helmet edge or fold into a lower-profile configuration
Data Source
AI summary
A hinge mechanism for attaching ear accessories to a helmet allows an accessory to be attached at a point outside the helmet shell utilizing, for example, a slidable mounting rail, and to reach under the edge of the helmet shell so that the accessory is supported in contact with the wearer's head. The hinge mechanism is well suited for use in connection with military helmets that have a “bulge” or protrusion over the ear.