Elastically Deformable Eyeglass Frames for Lens Exchange
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Solution Overview
Problem
Conventional eyeglasses with frames covering the entire upper edge of the lens increase volume and weight, obstruct forward vision, and make lens exchange difficult due to complex assembly and detachment processes.
Innovation Solution
Elastically deformable frames with specific fitting portions and holes at the side end portions of the lens, allowing for easy attachment and detachment, reducing frame volume and weight while maintaining unobstructed forward vision and simplifying lens exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the frame covers the entire upper edge of the lens, then the lens is securely held, but the volume and weight of the eyeglasses increase
Solution Approach 1:
The frame is segmented into only side end portions rather than covering the entire upper edge, dividing the structure into minimal necessary components that still provide secure lens holding through the fitting portions and holes configuration
Solution Approach 2:
The frame provides localized support at the side end portions where the lens needs to be held, rather than uniform support across the entire upper edge, concentrating structural functionality where most needed
2Strength
If the frame covers the entire upper edge of the lens, then the lens is securely held, but the forward vision of the wearer is narrowed
Solution Approach 1:
The frame is divided into only side end portions, creating open spaces above and between the lenses that allow unobstructed forward vision while maintaining lens security through the fitting portions at the side end portions
Solution Approach 2:
The unnecessary portions of the frame covering the upper edge are extracted and removed, leaving only the essential side end portions that provide lens holding functionality without obstructing the wearer's forward vision
3Strength
If the lens is detachably fixed with screws, then the fixing strength is sufficient, but the assembly and lens exchange require time and labor
Solution Approach 1:
The screws and threaded holes are extracted from the design, replacing the screw-based attachment with a simpler elastic deformation mechanism where the frame is pressed into the fitting portions, eliminating the need for tools and reducing assembly time while maintaining sufficient fixing strength
Solution Approach 2:
The frame utilizes its own elastic deformability to achieve attachment and detachment without external tools or fasteners, allowing the user to simply press the frame into the fitting portions for attachment and pull for detachment, making the process self-service and tool-free
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 reduces the overall weight and volume of the eyeglasses, ensures unobstructed forward vision, and facilitates easy lens exchange by simplifying the attachment and detachment process, improving usability and durability.
Implementation Method 1
a couple of right and left elastically deformable frames attached to respective side end portions of the lens
Data Source
AI summary
A pair of eyeglasses includes a lens, a couple of right and left elastically deformable frames attached to respective side end portions of the lens, and a couple of right and left temples attached to the respective frames. A frame fitting portion is provided at each of the side end portions of the lens and a lens fitting hole is provided in a front portion of each of the frames. The frame fitting portion fits into the lens fitting hole so that the lens is detachably attached to each of the frames. The volume of the frames is reduced to lighten the weight of the eyeglasses as a whole. With the eyeglasses, a forward vision of a wearer is guaranteed when he leans forward, and easy lens exchange is achieved.