Spring-Loaded Walking Stick Feet for Mud Traction
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Solution Overview
Problem
Conventional walking sticks have small feet that provide poor ground contact, inadequate traction, and are ineffective in distributing dynamic forces, leading to slipping and difficulty in traversing muddy terrain without straining the user's knees and hips.
Innovation Solution
A walking stick with a central support featuring spring-loaded feet that can flex independently and rotate up to 75 degrees, providing a larger surface area for better traction and shock absorption, and allowing for easy extraction from muddy surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If conventional walking sticks use small fixed feet, then the structure is simple, but the ground contact area is small and traction is poor
Solution Approach 1:
The patent applies the dynamics principle by making the feet movable rather than fixed. Each foot is spring-loaded and can independently flex, rotate, and adjust its position to adapt to different terrain conditions. This dynamic capability allows the feet to increase ground contact area when needed while maintaining a compact form when not in use, resolving the contradiction between contact area and structural complexity.
Solution Approach 2:
The patent divides the single fixed foot of conventional walking sticks into multiple independent spring-loaded feet. Each foot operates independently with its own hinge and spring mechanism, allowing them to segment and adapt to different ground surfaces. This segmentation increases the total ground contact area while distributing the structural complexity across multiple modular units.
2Force
If conventional walking sticks use fixed feet, then the structure is stable, but the ability to distribute dynamic forces is poor
Solution Approach 1:
The spring-loaded hinge mechanism allows each foot to dynamically adjust to terrain variations, distributing forces across multiple feet rather than concentrating them at a single fixed point. The springs absorb shock and accommodate uneven surfaces, improving force distribution while adding only moderate mechanical complexity.
3Strength
If conventional walking sticks have simple feet, then manufacturing is easy, but shock absorption capability is poor
Solution Approach 1:
The spring-loaded hinge mechanism provides shock absorption through elastic deformation of the springs as they compress and extend in response to terrain variations. This dynamic shock absorption capability is achieved through relatively simple spring and hinge components that can be manufactured using conventional processes.
4Adaptability or versatility
If conventional walking sticks have fixed feet, then the structure is simple, but the ability to traverse muddy terrain is poor
Solution Approach 1:
The spring-loaded feet can flex and rotate to adapt to muddy and uneven terrain conditions. When encountering mud, the feet can angle themselves to provide better traction and reduce suction, while the spring mechanism allows for dynamic adjustment to varying terrain depths and conditions.
Solution Approach 2:
Multiple independent feet provide better distribution of contact points on muddy surfaces, preventing the walking stick from getting stuck. The segmentation allows different feet to engage with different parts of the terrain, improving overall adaptability to complex ground conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The walking stick effectively improves shock absorption and stability, allowing users to traverse various terrains, including mud, with ease and reduced risk of slipping or straining, while maintaining durability for long-term use.
Implementation Method 1
Each foot is configured to flex in an upward or downward direction at the hinge, above and below the central support in response to pressure
Implementation Method 2
The walking stick effectively improves shock absorption and stability
Data Source
AI summary
The invention is a versatile walking stick that can be used in a wide variety of environments, including (but not limited to) swamps and wetlands. The walking stick includes a first end, an opposed second end, and a body that spans the distance between the two ends. The second end of the walking stick includes two or more feet that extend outwards from a central support. Advantageously, the spring actuated feet are configured to fold under tension when pulled in an upward direction (e.g., out of mud or any other tacky material). Once freed from the mud, the feet spring upwards and provide a wide surface area that allows a user to easily move through the terrain.