Prescription Lens Insert With Keyhole Mount for Protective Eyewear
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Prescription protective eyewear is often expensive, difficult to manufacture, and typically limited to single-user customization, making it costly and inflexible for various users.
Innovation Solution
A prescription lens insert designed for protective eyewear, featuring a frame with keyhole apertures and mushroom-shaped connector pegs, allowing easy attachment and removal without tools, and incorporating a resilient bumper to protect lenses from impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If prescription protective eyewear is custom-manufactured for each user, then vision correction and eye protection are achieved, but manufacturing complexity and cost increase significantly
Solution Approach 1:
The prescription lens system is divided into separate components: a reusable non-prescription protective eyewear frame and a removable prescription lens insert. This segmentation allows the protective frame to be manufactured once and reused, while only the lens insert requires customization for each user's prescription, thereby reducing overall manufacturing complexity and cost.
Solution Approach 2:
The non-prescription protective eyewear frame is designed with universal features that can accommodate multiple different prescription lens inserts. The frame serves multiple functions: providing eye protection, holding the lens insert, and being compatible with various users' prescriptions, eliminating the need to manufacture custom protective frames for each user.
2Adaptability or versatility
If custom prescription protective eyewear is manufactured for each user, then individual vision needs are met, but cost and manufacturing time increase
Solution Approach 1:
By separating the protective eyewear frame from the prescription lens insert, the system allows mass production of standardized frames while enabling quick customization of lens inserts for individual users. This segmentation maintains adaptability to individual vision needs while significantly improving manufacturing efficiency through standardized frame production.
Solution Approach 2:
The prescription lens inserts are pre-manufactured with specific prescriptions before being attached to the protective eyewear frames. This preliminary preparation of lens inserts allows for efficient batch production and storage, enabling quick deployment to users without requiring custom frame manufacturing for each individual.
3Reliability
If prescription lenses are integrated into protective eyewear frames, then vision correction is provided, but the system becomes difficult to manufacture and maintain
Solution Approach 1:
The system separates the prescription lens functionality into a removable insert that can be independently manufactured and replaced. This segmentation simplifies manufacturing by allowing specialized lens production facilities to create the inserts while frame manufacturers produce the protective eyewear, making both components easier to manufacture and maintain separately.
Solution Approach 2:
The prescription lens is extracted from the protective eyewear frame as a separate removable component. This extraction allows the protective frame to be manufactured using standard processes, while the prescription lens insert can be manufactured separately and attached, significantly improving ease of manufacture and maintenance for both components.
4Object-affected harmful factors
If protective eyewear lenses are shaped differently from conventional corrective lenses, then eye protection is improved, but compatibility with standard prescription lenses decreases
Solution Approach 1:
The system segments the eye protection function (provided by the protective frame and its uniquely shaped lenses) from the vision correction function (provided by the removable prescription lens insert). This allows the protective frame to have optimized lens shapes for protection while the insert provides standard corrective optics, maintaining compatibility between protection and correction.
Solution Approach 2:
The removable prescription lens insert acts as an intermediary between the protective eyewear frame and the user's vision correction needs. It interfaces with the non-standard protective frame while providing standard corrective lens functionality, bridging the compatibility gap between protective eyewear design and prescription lens requirements.
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 cost-effective, universal fitting of prescription lenses to various eyewear styles, providing impact protection and a clear field of view while reducing manufacturing complexity and personal protective equipment costs.
Implementation Method 1
incorporating a resilient bumper to protect lenses from impact
Implementation Method 2
flexing a bridge portion of a frame of a prescription lens insert, such that left and right rims of the frame are displaced mediolaterally
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A prescription lens insert and methods of use are described, in which flexing a frame of a prescription lens insert, such that left and right rims of the frame are displaced mediolaterally, aligns respective larger ends of two keyhole apertures of the frame with left and right mushroom-shaped connector pegs protruding rearward from a pair of protective glasses. The prescription lens insert is then placed over the left and right connector pegs, such that distal heads of the connector pegs pass through the two keyhole apertures of the frame and the keyhole apertures are disposed adjacent shaft portions of the connector pegs. The frame of the prescription lens insert is then unflexed to align respective smaller ends of the two keyhole apertures with the left and right connector pegs, such that the distal heads prevent removal of the unflexed frame.