Interlocking Nosepiece Lens Attachment for Eyewear

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Solution Overview

Problem

Existing eyewear manufacturing processes are complex and costly, and prior designs often compromise on ventilation and aesthetics due to the securement methods of lenses to frames.

Innovation Solution

The eyewear design incorporates an interlocking nosepiece and frame system with projections and openings that allow for simplified lens installation and improved ventilation, using a nosepiece with projections that engage corresponding openings in the lenses to secure them to the frame, while maintaining a sleek aesthetic.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If lenses are secured to the frame using traditional screw methods, then the lenses are firmly attached, but the manufacturing process becomes complex and costly

Engineering Contradiction:

Improvelens attachment securityVSAvoidmanufacturing process complexity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The nosepiece is merged with the frame structure to form an integrated assembly, where the nosepiece projections directly engage with lens openings. This combination eliminates the need for separate screw fasteners and simplifies the manufacturing process while maintaining secure lens attachment.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The lens openings are nested within the frame structure, and the nosepiece projections are nested within these openings to secure the lenses. This nesting arrangement provides secure attachment without requiring external fasteners, reducing manufacturing complexity.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Reliability

If the frame secures the lenses directly, then the lenses are firmly held, but ventilation and peripheral vision are compromised

Engineering Contradiction:

Improvelens securityVSAvoidventilation restriction

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The frame structure is segmented by introducing lens openings that allow the nosepiece projections to pass through and secure the lenses from the interior. This segmentation creates open spaces for ventilation while maintaining secure lens attachment through the interlocking nosepiece-frame-lens assembly.

Inventive Principle:

Principle #1Segmentation

3Reliability

If traditional lens securement methods are used, then lenses are securely attached, but aesthetics and peripheral vision are reduced

Engineering Contradiction:

Improvelens attachmentVSAvoidaesthetic appearance

Core Design Contradiction:

ReliabilityVSShape

Solution Approach 1:

The nosepiece is merged with the frame to create a sleek, integrated aesthetic appearance. The projections of the nosepiece engage with the lens openings from the interior, securing the lenses without visible external fasteners, thus improving aesthetics while maintaining secure attachment.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentEP2142955B1Eyewear with lens and interlocking nosepiece and frame

Publication Date: 2016.05.11 NIKE INNOVATE CV

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AI summary

Eyewear includes a frame having a right temple arm, a left temple arm, a first lens groove, a second lens groove, and a recess formed therein. A first lens is received in the first lens groove and has a first opening formed therein. A first tab is received in the first groove. A second lens is received in the second lens groove and has a first opening formed therein. A second tab is received in the second groove. A nosepiece has a base portion received in the recess in the frame, and engages the first and second openings to removably secure the first and second lenses to the frame.