Face Shield Eyewear Attachment Mechanism
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Solution Overview
Problem
Face shields often cause eyewear to fog up and prescription glasses to shift, requiring removal of the face shield to address these issues, which compromises protection and convenience.
Innovation Solution
Incorporating eyewear attachment elements and movement mechanisms into face shields that allow eyewear to be adjusted or moved without removing the face shield, including swivel and hinge configurations, enabling lenses to be positioned between the solid barrier and the eyes or moved away without compromising protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If eyewear is worn with face shields, then vision augmentation is achieved, but condensation accumulates on the lenses causing fogging
Solution Approach 1:
The patent extracts the eyewear from its fixed position on the face by providing removable attachment means. This allows the eyewear to be easily removed from the face shield structure, enabling users to take off glasses for cleaning or replacement without removing the entire face shield, thereby preventing condensation accumulation and fogging issues.
2Measurement precision
If eyewear is worn with face shields, then vision correction is achieved, but glasses shift out of position resulting in blurry vision
Solution Approach 1:
The patent implements dynamic adjustment capabilities through movable attachment mechanisms that allow eyewear to be repositioned. The attachment means enable users to adjust the position of glasses on the face shield to achieve optimal fit and vision correction, while maintaining stability during use. This dynamic system resolves the contradiction between position stability and vision correction accuracy.
3Ease of operation
If face shield is removed to clean or adjust eyewear, then eyewear maintenance is achieved, but protection integrity is compromised
Solution Approach 1:
The patent segments the face shield system into independent components: the face shield structure and the eyewear attachment system. By providing removable attachment means, users can detach and clean or replace eyewear without removing the entire face shield, thus maintaining protection integrity while enabling easy eyewear maintenance.
4Reliability
If eyewear is fixed on face shield, then protective barrier is maintained, but eyewear adjustment requires face shield removal
Solution Approach 1:
The patent introduces an intermediary attachment mechanism that connects eyewear to the face shield. This intermediary system provides both secure attachment to maintain protective barrier integrity and easy adjustability through simple attachment/detachment actions, avoiding the need for complex adjustment mechanisms while preserving barrier reliability.
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
Enables continuous use of face shields without fogging issues and allows for easy cleaning or repositioning of eyewear without removing the face shield, maintaining protection and user comfort.
Implementation Method 1
eyewear element comprises lenses which refract light into the eyes of a user wearing the face shield
Data Source
AI summary
Disclosed herein are face shields, eyewear, and kits which provide a user the ability to protect their face from solids or liquids while simultaneously providing the ability to manipulate any eyewear the user may desire to wear.