Shock Absorbing Walking Cane with Adjustable Spring Mechanism
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Solution Overview
Problem
Conventional walking canes often fail to provide adequate shock absorption and customizable features for users with mobility issues, leading to discomfort and potential joint damage.
Innovation Solution
An adjustable tension, shock-absorbing, spring-loaded walking cane with a compression spring mechanism, height adjustability, changeable handles and feet, and integrated LED light and alarm for emergency situations, allowing users to customize tension and comfort levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional walking canes are used without shock absorption mechanism, then the structure is simple and easy to manufacture, but shock and tension to the hand, wrist, shoulders, back and neck is not reduced
Solution Approach 1:
The compression spring is nested within the hollow shaft of the cane, with the spring contained inside the internal cavity. This nesting approach allows the shock absorption mechanism to be integrated into the existing cane structure without significantly increasing external dimensions or complexity, while still providing effective shock reduction to the user's hand, wrist, shoulders, back and neck.
Solution Approach 2:
The compression spring is pre-installed within the shaft to provide shock absorption before impact occurs. The spring is positioned in advance to immediately absorb shock when the cane tip contacts the ground, preventing harmful forces from transmitting to the user's body parts before cushioning can occur.
2Adaptability or versatility
If fixed tension spring mechanism is used, then manufacturing is simpler, but user customization for different weight and height is not possible
Solution Approach 1:
The spring tension is made adjustable rather than fixed, allowing the mechanical property of the spring to change based on user requirements. The adjustment mechanism enables the spring constant or pre-load to be dynamically modified to match different user weights and heights, providing adaptability while maintaining a relatively simple manufacturing process through modular components.
Solution Approach 2:
The tension adjustment mechanism is pre-configured with multiple tension settings or adjustment ranges that are prepared in advance during manufacturing. This allows users to select and adjust the appropriate tension level for their specific needs without requiring complex custom manufacturing for each user, thus balancing adaptability with ease of mass production.
3Object-affected harmful factors
If shock absorption mechanism is added to reduce joint damage, then comfort and healing process is improved, but device complexity and manufacturing cost increases
Solution Approach 1:
The compression spring is nested within the existing hollow shaft structure of the cane, utilizing the internal cavity space rather than adding external components. This approach provides effective shock absorption to protect joints from damage and pain while minimizing the increase in manufacturing complexity and cost, as the spring fits within the existing structural envelope.
Solution Approach 2:
The shock absorption capability is achieved by selecting appropriate spring parameters (such as spring constant, wire diameter, and coil count) that can be adjusted to match different usage requirements. By optimizing these parameters, the mechanism provides effective joint protection while maintaining manufacturing simplicity through standard spring components that can be produced using conventional manufacturing processes.
4Ease of operation
If adjustable tension mechanism is incorporated, then user comfort for different weight and height is improved, but device complexity increases
Solution Approach 1:
The tension adjustment mechanism incorporates movable or adjustable components that allow users to modify spring tension based on their weight and height. This dynamic adjustment capability improves ease of operation and user comfort while the mechanism is designed to add minimal complexity through straightforward mechanical adjustment features such as threaded rods, movable collars, or interchangeable spring assemblies.
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
Significantly reduces shock and tension on the hand, wrist, shoulders, and neck, enhancing comfort and aiding in the healing process while providing customizable options for improved mobility and emergency assistance.
Implementation Method 1
The cane has a shock absorption mechanism using a compression spring to reduce shock upon impact
Data Source
AI summary
A walking cane is provided having a foot, a handle, a pole member having a hollow interior cavity or shaft connecting said foot with said handle, an adjustable spring contained within said hollow shaft, and a tension adjusting mechanism operatively associated with said adjustable spring constructed and arranged to adjust spring tension imparted when downward force is applied from said handle, through said shaft and terminating at said foot.