Hard Hat Adapter for Welding Face Member Torque Reduction
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Solution Overview
Problem
The existing methods for attaching welding face members to hard hats are uncomfortable and cumbersome due to the torque created by angled straps, making it difficult to install, reposition, and remove the face members, and affecting the fit and comfort of the hard hat.
Innovation Solution
A system that includes an adapter attached to the hard hat with an adapter mating member located below the hat, which allows the welding face member to be attached with a horizontal force, reducing torque and improving comfort and fit by positioning the face member in a more secure and optimal vertical position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the strap is attached around the perimeter of the hard hat at an angled position, then the welding face member can be held in place, but torque is created causing discomfort and difficulty in installation and repositioning
Solution Approach 1:
An adapter is introduced as an intermediary component between the hard hat strap and the welding face member. The adapter includes a first attachment member that connects to the strap and a second attachment member that connects to the face member, allowing the face member to be positioned without creating torque on the user's face. This mediator resolves the contradiction by decoupling the retention function from the comfort function.
Solution Approach 2:
The attachment system is segmented into separate components: the hard hat strap, the adapter, and the welding face member. This segmentation allows each component to perform its specific function independently - the strap provides retention while the adapter ensures proper positioning without creating harmful torque, thereby resolving the contradiction between reliable retention and ease of operation.
2Reliability
If the strap is positioned around the back of the user's head, then the welding face member can be secured, but the hard hat fit and comfort are affected
Solution Approach 1:
The adapter serves as a mediator that allows the strap to be positioned around the back of the head for securing the face member, while simultaneously preventing interference with the hard hat fit. The adapter's design enables the strap to engage properly without compromising the hard hat's comfort or fit, thus resolving the contradiction between face member securing and hard hat comfort.
Data Source
AI summary
A system for attaching a welding face member to a hard hat includes a hard hat and an adapter. The adapter is attached to the hard hat. The adapter includes an adapter mating member which attaches to a welding face member. The adapter mating member is located below the hard hat.