Ergonomic Earpiece Flex Structure for Adaptive Ear Fit
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Solution Overview
Problem
Earpieces often fail to provide a universally comfortable fit for various ear types, leading to discomfort and insecurity.
Innovation Solution
The ergonomic earpiece design features an arcuate rib received by the antihelix and antitragus, an upper lobe that flexes into the cymba concha and crus of the helix, and a dynamic clamp force for a secure fit, utilizing materials like polymers and metals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a fixed rigid shape is used for the earpiece, then manufacturing precision is improved, but adaptability to different ear types deteriorates
Solution Approach 1:
The earpiece incorporates a dynamic upper lobe that can flex and deform to adapt to different ear anatomies. The aperture within the upper lobe enables this dynamic behavior, allowing the material to bend and conform to the unique contours of each user's ear while maintaining a consistent manufactured shape when not in use.
Solution Approach 2:
The upper lobe is designed as a flexible structure with an integrated aperture that allows it to bend and deform. This flexible design enables the earpiece to adapt to various ear shapes and sizes, resolving the contradiction between maintaining manufacturing precision and achieving adaptability across different user anatomies.
2Stability of the object's composition
If the upper lobe is made rigid to maintain shape, then stability is improved, but comfort and adaptability deteriorate
Solution Approach 1:
The upper lobe transitions from a static rigid structure to a dynamic flexible component that can adapt its shape. The aperture enables controlled flexion, allowing the upper lobe to conform to the ear's contours for comfort while maintaining structural integrity and shape stability when not under compression.
Solution Approach 2:
The material properties of the upper lobe are optimized to allow temporary deformation under compression forces during insertion and wear, while maintaining overall shape stability. The aperture's presence changes the mechanical parameters of the upper lobe, enabling it to flex without compromising its fundamental structural stability.
3Adaptability or versatility
If the aperture is made larger to increase flexibility, then adaptability is improved, but structural strength deteriorates
Solution Approach 1:
The aperture is designed as an integrated feature within the upper lobe's flexible shell structure. The size, shape, and positioning of the aperture are optimized to provide sufficient flexibility for adaptation while maintaining the overall structural integrity of the upper lobe through careful engineering of the surrounding material thickness and distribution.
Solution Approach 2:
The upper lobe may utilize composite material construction that combines materials with different mechanical properties. This allows the aperture region to have high flexibility for adaptation while the surrounding material maintains structural strength, resolving the contradiction between flexion capability and structural integrity.
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 design provides a comfortable, secure fit for a wide range of ear sizes, maintaining stability and reducing discomfort while facilitating communication and sound attenuation.
Implementation Method 1
an aperture in the upper lobe configured to permit the upper lobe to exhibit a flexion in response to a compression of the upper lobe against the ear to dynamically fit the earpiece to the ear
Data Source
AI summary
An ergonomic earpiece for a dynamic fit in a wearer's ear and corresponding methods are disclosed. The earpiece may include an arcuate rib having upper and lower ends. The arcuate rib may be received by an antihelix and an antitragus of a wearer's ear. The earpiece may also include an upper lobe extending from the upper end of the arcuate rib, where the upper lobe is configured to be received in a cavity defined by a cymba concha and a crus of a helix of the ear. The earpiece may also include an aperture in the upper lobe configured to permit the upper lobe to exhibit a flexion in response to a compression of the upper lobe against the ear to dynamically fit the earpiece to the ear. Additional devices and methods are also provided.