Composite Sports Paddle Distal Frame Separation for Vibration Control
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Solution Overview
Problem
Existing composite sports paddles face challenges in optimizing the performance characteristics of individual structures within the paddle, such as the core, handle, face, and distal frame, which affect power, control, and vibration management, failing to meet the diverse needs of modern players seeking tailored play styles and enhanced tactile feedback.
Innovation Solution
The paddle design incorporates a distal frame separation into segmented tubular sections with an elastomeric membrane or edge guard to allow independent action of face plies and distal frame sections, enhancing flexibility, vibration control, and stiffness customization, while maintaining overall rigidity and energy transfer efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the distal frame is made as a single integrated structure, then the paddle maintains high rigidity and structural strength, but it produces unwanted vibrations and reduces tactile feedback
Solution Approach 1:
The distal frame is divided into multiple separate sections (first distal frame section and second distal frame section) instead of being a single integrated structure. This segmentation allows the frame to maintain structural strength while reducing unwanted vibrations and improving tactile feedback by isolating vibration sources.
2Strength
If the face plies are bonded together as a single unit, then the paddle face maintains high strength and stiffness, but it reduces flexibility and tactile feedback
Solution Approach 1:
The face plies are separated into first and second face plies that are not fully bonded together, creating a flexible interface between them. This segmentation maintains the strength of individual plies while allowing relative movement that enhances flexibility and tactile feedback during ball impact.
Solution Approach 2:
The face plies are bonded together in certain regions to maintain strength where needed, while leaving other regions unbonded to allow flexibility and movement. This localized bonding approach optimizes both strength and adaptability in different areas of the paddle face.
3Reliability
If advanced composite materials are used throughout the entire paddle structure, then the paddle achieves high performance and durability, but it increases manufacturing complexity and cost
Solution Approach 1:
The paddle is divided into separate components (handle, transition section, paddle head, face plies, distal frame sections) that can be manufactured independently using optimized processes, then assembled together. This segmentation reduces manufacturing complexity while maintaining the durability benefits of advanced composite materials.
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
This design improves responsiveness, reduces unwanted vibrations, and provides a customizable playing experience by optimizing flexibility and stiffness, ensuring precise ball control and energy transfer, thus meeting the demands of modern players.
Implementation Method 1
an elastomeric material in the gap to absorb impact to the distal frame; inhibiting vibrations in the one of the two sections created from striking the ball from passing to an other of the two sections with the gap between the two sections
Implementation Method 2
These face materials offer superior strength, stiffness, and impact resistance compared to traditional wood
Data Source
AI summary
A composite sports paddle with distal frame separation addresses the need to separate the performance characteristics of the front face and back face structures, even when the ball strikes only one face. It introduces a separation of the face plies to act independently and separates the distal frame while maintaining rigidity along the paddle's distal portion. By focusing on these independent structures, the overall performance of the paddle is enhanced and paddle meets the demands of today's players.