S-Shaped Resilient Clip for Hard Hat Safety Glasses Retention
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Solution Overview
Problem
Safety glasses are often misplaced, leading to wasted time and potential eye injuries due to the inability to quickly locate them, which can result in workers taking risks with their vision.
Innovation Solution
A resilient 'S' shaped clip is designed to be attached to a hard hat, featuring a slot for the hat's edge and a curved clasping arm to secure objects, providing a dedicated place for safety glasses and preventing misplacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If safety glasses are carried in pockets or pockets, then they are easily misplaced and lost, but carrying them in a dedicated location on the hard hat requires additional device complexity
Solution Approach 1:
The clip combines multiple functions into a single device: it attaches to the hard hat via the slot engagement and provides a clasping arm to secure safety glasses. This merging of attachment mechanism and retention function into one integrated clip resolves the contradiction by providing reliable glasses retention without requiring multiple separate components or complex systems.
Solution Approach 2:
The resilient material in the clip automatically provides the necessary clamping force to secure the safety glasses without requiring additional fasteners, adhesives, or complex locking mechanisms. The material's inherent elasticity enables the clip to grip the glasses and maintain retention passively, reducing device complexity while ensuring reliable retention.
2Productivity
If safety glasses are not readily accessible, then workers waste time searching for them and may take risks with their vision, but providing a secure attachment mechanism increases device complexity
Solution Approach 1:
The clip is pre-installed on the hard hat, positioning the safety glasses in a readily accessible location before the worker needs them. This preliminary placement eliminates the need for workers to search for glasses during tasks, ensuring immediate accessibility and maintaining productivity without requiring complex retrieval systems or multiple components.
Solution Approach 2:
The invention extracts the safety glasses from the worker's pockets or storage areas and attaches them directly to the hard hat via the simple clip mechanism. This extraction to a fixed, accessible location prevents loss and ensures immediate availability, resolving the productivity issue without requiring complex storage systems or multiple attachment points.
3Strength
If a simple clip design is used, then device complexity is reduced, but the securing strength may be insufficient to reliably hold safety glasses
Solution Approach 1:
The invention utilizes the physical property of resilient material to provide securing strength without increasing structural complexity. By selecting material with appropriate elastic properties, the clip generates sufficient clamping force to securely hold safety glasses while maintaining a simple, lightweight design. The material parameter (resilience) compensates for the simplicity of the structure.
Solution Approach 2:
The clip is formed from resilient material that combines flexibility with sufficient strength to secure safety glasses. This material selection provides both the necessary securing strength and the simplicity of a single-piece construction, resolving the contradiction between strength and complexity by using material properties rather than complex structural arrangements.
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 clip effectively secures safety glasses to the hard hat, reducing the likelihood of misplacement and ensuring they are readily available for use, thereby enhancing eye protection and reducing the risk of eye injuries.
Implementation Method 1
A generally 'S' shaped clip 10 is formed from a band of resilient material
Data Source
AI summary
A generally “S” shaped clip is formed from a band of resilient material having a first end a second end. The clip has a front side and a back side. The front side of the “S” shape corresponds to the back side of the clip. The back side of the “S” shape corresponds to the front side of the clip. The clip has an upper end and a lower end. The band of material is doubled back on itself at the lower end of the clip in the direction of the back side of the clip to form a slot for receipt of a projecting edge of a hat. An upper portion of the clip forms a curved clasping arm for securing objects against a crown portion of a hat.