Elongated Guide Visor Mounting for Hardhat Adjustment
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Solution Overview
Problem
Existing head protection systems, such as hardhats and visors, lack a convenient and adjustable mechanism for easily transitioning between eye-shielding and retracted positions, which can be cumbersome for users in environments requiring frequent adjustments.
Innovation Solution
An elongated guide is removably attachable to a hardhat, with a visor that is slidably mountable to the guide, allowing the visor to be moved between shielding and retracted positions along the guide's axis, facilitated by a carriage that can be manually engaged and disengaged without tools, and featuring adjustable attachment mechanisms for compatibility with various hardhat sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed visor attachment system is used, then the visor remains stable and secure, but it cannot be easily adjusted between shielding and retracted positions
Solution Approach 1:
The attachment system is divided into separate components: a guide structure attached to the hardhat, a carriage that moves along the guide, and a visor mounted to the carriage. This segmentation allows the visor to be adjusted independently while maintaining stability when positioned, resolving the contradiction between ease of adjustment and attachment stability.
Solution Approach 2:
The system transitions from a fixed attachment to a dynamic adjustable system. The carriage can slide along the elongated guide between retracted and shielding positions, providing dynamic adjustability. When the carriage is held at a desired position, the visor remains stable, thus resolving the contradiction between adjustability and stability.
2Adaptability or versatility
If a removable visor system is implemented, then the visor can be easily detached and adjusted, but the attachment mechanism becomes more complex
Solution Approach 1:
The elongated guide serves multiple functions: it provides a track for the carriage to slide along, acts as a structural support for the visor system, and enables both adjusted and fully retracted positions. This multi-functionality reduces the need for additional separate components, thereby reducing overall system complexity while maintaining versatility.
Solution Approach 2:
The carriage acts as an intermediary component between the fixed guide structure and the movable visor. It simplifies the attachment mechanism by providing a single moving element that carries the visor, rather than requiring complex direct attachment mechanisms between the guide and visor.
3Reliability
If the visor is permanently attached to the hardhat, then the structure is simple and robust, but frequent adjustments damage the hardhat or visor
Solution Approach 1:
By segmenting the system into a permanent guide structure (attached to hardhat) and a movable carriage-visor assembly, the design allows repeated adjustments of the visor without stressing the hardhat. The guide structure remains fixed and durable, while the carriage handles all movement, protecting both the hardhat and visor from damage during frequent adjustments.
Solution Approach 2:
The carriage is designed to self-containedly support the visor and handle all adjustment movements along the guide. This self-service mechanism eliminates the need for the hardhat itself to accommodate movement, thereby protecting the hardhat from wear and damage while enabling easy repeated adjustments.
Data Source
AI summary
An elongated guide that is removably attachable to a hardhat and a visor that is removably mountable to the elongated guide.