Trail Walker With Inline Wheels And Forward Lumbar Flexion
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Solution Overview
Problem
Standard 3- and 4-wheeled walkers are unsuitable for rugged terrain and carrying items and gear, as they are cumbersome, have a narrow wheelbase, and do not allow for forward lumbar flexion, which can exacerbate spinal and joint disorders, and are not designed for handicapped individuals who need walking assistance on trails.
Innovation Solution
A walker with two inline wheels, a handlebar steering mechanism, and optional racks and carriers, designed for pushing rather than riding, providing support and relief for spinal disorders by allowing forward lumbar flexion, and enabling easier transportation of items and gear on trails and non-rugged surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard 3- and 4-wheeled walkers are used, then walking assistance is provided, but they are cumbersome and not suitable for rugged terrain
Solution Approach 1:
The walker is divided into functional modules: a frame structure, handlebars for steering, brakes for control, and optional racks/carriers for cargo. This segmentation allows each component to be optimized independently for both ease of operation and rugged terrain suitability.
Solution Approach 2:
The walker is designed as a multi-functional device that combines walking assistance, cargo carrying capacity via racks and carriers, and terrain adaptability through proper wheel selection. It serves both handicapped individuals needing assistance and active persons requiring gear transport on trails.
2Ease of operation
If standard walkers with narrow wheelbase are used, then they are easier to maneuver in tight spaces, but they cannot carry weight on rugged trails
Solution Approach 1:
The walker utilizes the vertical dimension by incorporating racks and carriers that extend upward from the frame, allowing cargo to be carried above the ground level. This dimensional transition enables weight carrying capability without compromising the ground-level maneuverability of the walker itself.
3Object-affected harmful factors
If forward lumbar flexion is required for spinal relief, then pain is reduced, but standard walkers do not support this position
Solution Approach 1:
The handlebar height and angle are designed to enable the user to lean forward into a therapeutic position. The frame geometry and component positioning are optimized to support forward lumbar flexion, transforming the walker from a rigid support structure into one that accommodates and encourages the pain-relieving posture.
4Ease of operation
If walkers are designed for handicapped use, then walking assistance is provided, but they are not suitable for active persons who want to carry gear on trails
Solution Approach 1:
The walker is designed as a universal device that bridges the gap between medical assistance equipment and outdoor recreation gear. It provides walking support for handicapped users while simultaneously offering rack and carrier systems for active persons to transport gear on trails, effectively serving multiple user groups with a single platform.
Data Source
AI summary
A walker specialized for use on trails by pushing and walking, rather than riding on, with no drivetrain is provided. The walker can include a frame, two inline wheels, and a handlebar steering mechanism. The walker can further include a braking mechanism, an elbow rest, an electric motor, and racks and/or carriers for gear.