Technical Swimming Paddle With Pressure-Responsive Stroke Feedback
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Solution Overview
Problem
Existing swimming paddles fail to provide real-time feedback on correct hand placement and dynamics during the stroke cycle, as they do not dynamically respond to water flow patterns, are costly, or require complex electronic sensors, making it difficult for swimmers to adjust their technique effectively.
Innovation Solution
A technical swimming paddle that separates into two elements when incorrect stroke execution applies pressure to the dorsal surface, losing functionality, while maintaining rigidity when pressure is applied to the palmar surface, providing immediate feedback through mechanical means.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid swimming paddle is used, then the paddle maintains structural stability, but it cannot provide real-time feedback on incorrect stroke execution
Solution Approach 1:
The paddle incorporates a hinge mechanism that allows it to transition from a rigid state during proper stroke execution to a flexible state during incorrect execution. When water pressure is applied to the dorsal surface (indicating improper technique), the hinge allows the paddle to bend, providing tactile feedback to the swimmer about the error.
Solution Approach 2:
The paddle provides immediate tactile feedback to the swimmer through its mechanical response to water pressure. When the swimmer executes an incorrect stroke (applying pressure to the dorsal surface), the hinge mechanism causes the paddle to bend or change configuration, giving the swimmer real-time information about the technique error without requiring electronic sensors.
2Loss of information
If electronic sensors are added to provide real-time feedback, then stroke technique monitoring is improved, but device complexity and cost increase
Solution Approach 1:
The paddle uses the natural water pressure from incorrect stroke execution to activate its feedback mechanism. The hinge mechanism automatically responds to the direction and magnitude of water pressure applied to the paddle surface, eliminating the need for external power sources, sensors, or electronic components.
Solution Approach 2:
The invention replaces complex electronic sensing and feedback systems with a simple mechanical hinge mechanism. The hinge naturally responds to water pressure through mechanical means, providing the same information function as electronic sensors would, but with vastly reduced complexity and cost.
3Device complexity
If the paddle is designed to aid only pull and push phases, then it simplifies the design, but it cannot provide comprehensive feedback throughout the entire stroke cycle
Solution Approach 1:
The hinge mechanism serves multiple functions across different phases of the stroke cycle. It provides feedback during entry (when the hand should be parallel to the water surface), during catch and pull phases, and during recovery phase, making the paddle universally applicable to all phases of swimming rather than limited to specific phases.
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
Enables swimmers to adjust their stroke execution in real-time by making the paddle ineffective during incorrect technique, ensuring correct hand placement and dynamics without complex components, thus enhancing stroke efficiency.
Implementation Method 1
allows the two plates to remain interlocked and co-planar when flow pressure is applied from one side of the plates in the direction perpendicular to the orientation of the plates, the connecting device allowing the two plates to disengage from the interlocked configuration and become fully disconnected when flow pressure is applied from the opposite side
Data Source
AI summary
A technical swimming paddle for guided stroke execution consists of two separate elements that interlock via a longitudinal connecting device. The connecting device admits relative movement and full separation of the two elements when flow pressure is applied to the dorsal surface of the swimmer's hand during incorrect stroke execution, but it locks the two elements into aligned co-planar configuration when flow pressure is applied to the palmar surface of the swimmer's hand during correct stroke execution. The connecting device is designed so that movement and separation of the adjoining components disrupts the swimmer's ability to hold and utilize the technical swimming paddle, therefore discouraging the application of flow pressure to the dorsal surface of the swimmer's hand. In this manner, the technical swimming paddle allows swimmers to fine-tune stroke execution towards optimizing their swimming technique.