Articulating Ear Shield With Spring-Action Cantilever
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Solution Overview
Problem
Existing ear shields for hair styling are inadequate as they are not secure on smaller ears, do not provide adequate coverage, and lack ventilation, leading to anxiety and exposure to heat and chemicals during hair styling.
Innovation Solution
An articulated ear shield with a support structure featuring medial and lateral portions joined by a spring-action cantilevered joining portion, a pliable heat-resistant cover, and articulating tabs that allow for secure fitting and ventilation, while covering the auricle and allowing sound to pass through.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If one-size-fits-all ear shields are used, then they can cover large ears, but they are less secure on smaller ears and can easily come off
Solution Approach 1:
The patent applies parameter changes by making the ear shield articulating and adjustable. The shield can be opened and closed to fit different ear sizes, transforming from a fixed one-size-fits-all design to an adjustable design that maintains security across various ear dimensions while preserving coverage capability
Solution Approach 2:
The patent implements dynamics by introducing an articulating mechanism that allows the ear shield to move between open and closed positions. This dynamic adjustment enables the shield to adapt to different ear sizes, ensuring secure fit on smaller ears while maintaining adequate coverage for larger ears
2Area of stationary object
If ear shields are made large enough to fit large ears, then they can provide adequate coverage, but they are less secure on smaller ears
Solution Approach 1:
The articulating mechanism allows the ear shield to dynamically adjust its configuration. When closed, it provides full coverage for large ears; when opened, it can be positioned to provide secure fit on smaller ears, thus maintaining both coverage area and retention security across different ear sizes
3Object-affected harmful factors
If traditional ear shields are used, then they provide protection from heat and chemicals, but they do not provide ventilation to allow air and sound to pass through
Solution Approach 1:
The patent applies porous materials by incorporating a mesh or perforated structure in the ear shield. This allows air and sound to pass through the protective barrier, providing ventilation and unobstructed hearing while maintaining protection from heat and chemicals
Solution Approach 2:
The ear shield uses composite materials combining a protective outer layer (for heat and chemical resistance) with a breathable inner layer (for ventilation and sound transmission). This composite structure simultaneously achieves protection and ease of operation regarding ventilation
4Object-affected harmful factors
If hang-on ear shields are used, then they provide some protection, but they fall off and are messy
Solution Approach 1:
The ear shield incorporates a self-retaining mechanism with articulating tabs that automatically secure the shield to the ear. Once positioned, the shield holds itself in place without requiring external fastening, providing reliable protection while avoiding the messiness of falling off
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 articulated ear shield provides secure, comfortable, and ventilated protection for ears from heat and chemicals, preventing injuries and reducing anxiety during hair styling by fitting securely and allowing unobstructed hearing.
Implementation Method 1
The joining portion can be configured to have a spring action that biases the medial portion and the lateral portion to a substantially parallel arrangement between the medial plane and the lateral plane
Implementation Method 2
a pliable heat resistant cover formed over an outer surface the lateral portion and over an outer surface of the medial portion
Implementation Method 3
allowing air and sound pass through the ear shield
Data Source
AI summary
An ear shield includes a lateral portion and a medial portion that are configured to respectively go over the lateral and medial sides of the auricle of a wearer's ear. The lateral and medial portions are joined together by a joining portion that acts as a cantilevered spring member, allowing the distal ends of the lateral and medial portions to move with respect to each other, but which biases the lateral and medial portions to a neutral position suitable for retaining the ear shield on a person's ear. There are articulating tabs further formed at the joining portion which extend to the rear, opposite the lateral and medial portions, that allow a user to move the lateral and medial portions relative to each other.