Leg Harness Webbing Layout for Adjustable Support and Mobility
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Solution Overview
Problem
Existing fall protection harnesses often fail to provide adequate leg support and comfort, leading to mobility issues and discomfort for workers in elevated environments.
Innovation Solution
A web harness system with leg extensions and adjustable leg support components, including a sub-pelvic support portion and leg harness portions with adjustable belts, providing enhanced fit and comfort through multiple adjustment positions and materials like EVA, polyethylene, and aluminum alloy buckles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional fall protection harnesses are used, then basic safety function is provided, but leg support and comfort are inadequate
Solution Approach 1:
The harness is divided into distinct functional segments: a sub-pelvic support portion and separate leg harness portions with individual leg extensions. Each segment can be independently adjusted to provide targeted support while maintaining overall system functionality. The leg extensions are further segmented into multiple adjustment positions along each leg.
Solution Approach 2:
The leg extensions incorporate adjustable belts with multiple positioning options that allow dynamic adaptation to different leg lengths and user preferences. This adjustability enables the harness to maintain optimal comfort and support characteristics while preserving full leg mobility and range of motion.
2Ease of operation
If adjustable leg support components are added, then fit and comfort are improved, but device complexity increases
Solution Approach 1:
The leg extensions serve multiple functions simultaneously: they provide structural support, enable adjustment for different user sizes, and maintain mobility. The same adjustable mechanism serves both comfort and safety functions, reducing the need for separate components and minimizing overall system complexity.
Data Source
AI summary
A web harness system includes a sub-pelvic support portion. A leg harness portion is connected to the sub-pelvic support portion. The leg harness portion including: a first leg extension connected to a first portion of the sub-pelvic support portion; a second leg extension connected to a second portion of the sub-pelvic support portion; a right leg adjustment belt connected to the first leg extension; and a left leg adjustment belt connected to the second leg extension.