Hard Hat Accessory Bracket With Three-Point Locking Retention
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Solution Overview
Problem
Conventional accessory brackets for hard hats are not suitable for supporting heavier accessories as they rely on an interference fit, which can lead to detachment during impacts or drops, failing to provide secure attachment for accessories like headlamps or safety sensors.
Innovation Solution
A three-point locking system is introduced, featuring a center tab engaging a retention cleat and cam levers that clamp onto dovetail projections, ensuring secure and removable attachment of accessories to the hard hat, even under forceful conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional interference fit mounting is used, then the bracket can be easily installed, but it cannot securely support heavier accessories during impacts or drops
Solution Approach 1:
The mounting system is segmented into multiple independent locking points (front clamp, rear clamp, and retention cleat) that work together to secure the bracket. Each segment provides a specific locking function, and the combination of all segments creates a robust attachment system capable of supporting heavy accessories during impacts.
Solution Approach 2:
The patent combines multiple mounting features (clamps and retention cleat) into a single integrated bracket system. The front clamp, rear clamp, and retention cleat are merged into one cohesive structure that attaches to the hard hat mounting ridge, providing both simplicity of installation and secure support for heavy accessories.
2Reliability
If a secure locking system is implemented, then heavy accessories can be supported during impacts, but the mounting system becomes more complex
Solution Approach 1:
The mounting system incorporates movable clamps that can dynamically adjust and lock onto the mounting ridge. The clamps are designed to flex and conform to the ridge shape during installation, then lock securely in place. This dynamic behavior allows for easy installation while maintaining secure attachment under load.
Solution Approach 2:
The retention cleat is positioned to automatically engage with the mounting ridge when the bracket is installed, providing self-centering and self-locking functionality. The cleat works in conjunction with the clamps to automatically secure the bracket without requiring complex alignment procedures, maintaining ease of operation while ensuring reliable attachment.
Data Source
AI summary
Various embodiments of an accessory bracket for attaching accessories to protective equipment are shown. The accessory bracket includes a mounting bracket body, a center tab, and one or more cam levers that allow for secure attachment to protective equipment. The accessory bracket is designed to improve attachment and retention of accessories to protective equipment.