Rotatable Harness Connector for Free Movement and Comfort
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Solution Overview
Problem
Safety harnesses used by workers at height can become stiff and offer resistance to movement, causing discomfort during daily activities.
Innovation Solution
A full-body harness with a connector comprising rotatable plates and a fastener that allows for adjustable angles between shoulder straps, reducing friction and enabling free movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a full body harness is designed with fixed shoulder straps and connector, then the structural stability and safety are improved, but the flexibility and comfort during movement deteriorate
Solution Approach 1:
The connector is designed with rotatable plates that can rotate relative to each other, transforming the fixed connector into a dynamic one. This allows the shoulder straps to adjust their angle automatically during user movement, maintaining safety while improving comfort and flexibility.
Solution Approach 2:
The connector is divided into multiple independent rotatable plates (first plate, second plate, third plate) that can rotate independently relative to each other. This segmentation allows each plate to adjust to different movement directions, providing both structural stability and movement flexibility.
2Adaptability or versatility
If the connector uses multiple rotatable plates, then the flexibility and adaptability to user movement are improved, but the device complexity increases
Solution Approach 1:
Multiple rotatable plates are merged into a single integrated connector assembly that functions as one unit. The plates are coupled together through fasteners and work in coordination, reducing the overall system complexity while maintaining high adaptability to various user movements.
Solution Approach 2:
The rotatable plate connector serves multiple functions: it provides structural support, allows rotation in multiple directions, accommodates different user shapes and sizes, and maintains safety during various movements. This multi-functionality reduces the need for additional components, keeping the device complexity manageable.
3Ease of operation
If the connector allows free rotation between plates, then the mobility and comfort are improved, but the structural stability may deteriorate
Solution Approach 1:
The connector transitions from a static fixed structure to a dynamic rotatable structure. The plates can rotate relative to each other to accommodate movement, but the fasteners and coupling mechanisms maintain structural integrity, providing both mobility and stability.
Solution Approach 2:
The connector allows changes in angular parameters between plates during movement, enabling mobility. However, the fasteners and structural design ensure that the overall structural stability is maintained even as the angular relationships between components change.
Data Source
AI summary
Various embodiments illustrated herein disclose a full body harness that includes a connector. The connector includes a first plate and a second plate, where the first plate is identical to the second plate. The first plate and the second plate includes a plurality of slits to facilitate passage of a first harness and a second harness therethrough. The first plate is rotatably coupled to the second plate such that they are rotatable with respect to each other. Such a connector automatically enables easy adjustment of the harness based on an activity of a user who is wearing the harness.