Pickleball Paddle with Controllable Ball Dwell
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Solution Overview
Problem
Current pickleball paddles face limitations in weight-to-strength ratio, control, and durability due to traditional materials and manufacturing methods, which restrict the manipulation of mechanical structures for optimal performance, and fail to effectively manage dwell time and spin.
Innovation Solution
The development of composite internally pressurized molded paddles with varying frame shapes, including open throat designs, tubular connections, and flexible transition areas between the hitting surface and handle, allows for enhanced bending and torsional stiffness, and the use of fibrous materials to create a more flexible and controllable paddle face.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional honeycomb core structure is used, then manufacturing is easier, but weight-to-strength ratio and control of bending/torsional moments are limited
Solution Approach 1:
The patent employs composite materials consisting of fibrous unidirectional or woven fibers impregnated with thermal set resins for the outer surface plies and handle area, combined with a honeycomb plastic material for the internal hitting surface area. This composite construction achieves superior weight-to-strength ratio while maintaining manufacturability, as the different materials contribute their specific properties: the fibrous composites provide high strength-to-weight ratio and the honeycomb structure provides structural integrity and torsional control.
2Ease of manufacture
If solid wood or aluminum structure is used, then manufacturing is simpler, but weight is heavier and strength-to-weight ratio is lower
Solution Approach 1:
The patent replaces solid wood or aluminum structures with composite materials consisting of fibrous unidirectional or woven fibers impregnated with thermal set resins. These composite materials provide significantly higher strength-to-weight ratio compared to traditional solid materials, reducing the overall paddle weight while maintaining or enhancing structural strength and durability.
Solution Approach 2:
The patent incorporates a honeycomb plastic material as the core structure instead of solid materials. The honeycomb configuration provides a porous, cellular structure that dramatically reduces weight while maintaining structural integrity and providing appropriate bending and torsional characteristics for optimal play.
3Device complexity
If traditional paddle construction is used, then structure is simpler, but dwell time control and spin manipulation are limited
Solution Approach 1:
The patent applies different material properties and structural configurations to different regions of the paddle to optimize local performance characteristics. The outer surface plies and handle area use fibrous composite materials for strength, while the internal hitting surface uses honeycomb plastic material for controlled flexibility and dwell time. This local differentiation of material properties enables precise control over ball interaction characteristics including dwell time and spin generation.
Solution Approach 2:
The patent incorporates structural elements that allow dynamic manipulation of the paddle's mechanical properties during play. The combination of rigid outer plies and flexible honeycomb core creates a structure that can dynamically adjust its stiffness and flexibility characteristics based on the impact conditions, enabling players to manipulate dwell time and spin according to their playing style and shot requirements.
4Stability of the object's composition
If rigid core material is used, then structural stability is better, but sound at impact is louder and vibration is increased
Solution Approach 1:
The patent uses a honeycomb plastic material as the core structure instead of entirely rigid materials. The porous, cellular configuration of the honeycomb structure provides structural stability while simultaneously dampening impact vibrations and reducing the loudness of impact sounds. The air-filled cells in the honeycomb structure act as vibration dampers, absorbing impact energy and reducing the transmission of vibrations to the handle and frame.
Data Source
AI summary
A composite molded sports paddle comprising a head with a paddle face; a handle; and a transition area between the head and the handle, wherein the transition area includes a ball dwell control mechanism.