Pickleball Paddle Reinforcement for Torsional Rigidity
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Solution Overview
Problem
Pickleball paddles suffer from reduced resilience performance when hitting the ball away from the central region due to torque-induced deformation, leading to impaired control and strength, and existing designs with frames around the head portion make the paddle feel heavy and difficult to maneuver.
Innovation Solution
A paddle design featuring a grip portion extending vertically, a head portion with a reinforcement portion at the connection point between the grip and head, which includes a laminated structure with a honeycomb core and fiber-reinforced plastics, and an externally attached reinforcement portion that improves torsional rigidity, allowing energy to be efficiently transmitted and reducing the weight and heaviness perception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a frame is provided around the head portion to improve structural integrity, then the paddle becomes heavier and more difficult to maneuver
Solution Approach 1:
The reinforcement is segmented into a specific reinforcement portion located only at the connection part between grip and head, rather than providing a complete frame around the entire head portion. This localized segmentation reduces unnecessary weight while maintaining structural integrity where needed most.
Solution Approach 2:
Instead of uniform reinforcement throughout the head portion, the patent applies local quality by concentrating the reinforcement portion specifically at the connection part between the grip and head. This localized reinforcement provides maximum structural support exactly where torque-induced deformation occurs, while avoiding the weight penalty of a complete frame.
2Area of stationary object
If the head portion is made larger to improve hitting surface area, then the torque-induced deformation increases when hitting away from central region
Solution Approach 1:
The reinforcement portion is strategically positioned at the connection part between the grip and head, providing localized torsional support exactly where the head connects to the grip. This local reinforcement prevents torque-induced deformation at the critical connection point while allowing the head portion to maintain its size for adequate hitting surface area.
Solution Approach 2:
The reinforcement portion is constructed using composite materials including a honeycomb core structure combined with fiber-reinforced plastics. This composite construction provides high torsional rigidity and resistance to torque-induced deformation while keeping the added weight minimal, allowing larger head size without sacrificing stability.
3Strength
If the reinforcement portion extends higher to better reinforce the connection part, then the weight distribution becomes unbalanced and heaviness perception increases
Solution Approach 1:
The reinforcement portion is designed with precise vertical positioning that extends only to a specific height below the central position of the paddle. This localized vertical extension provides adequate reinforcement of the connection part while avoiding excessive height that would create unbalanced weight distribution and increase perceived heaviness, thus maintaining ease of operation.
Data Source
AI summary
A grip portion of a paddle for pickleball extends in an up-down direction. A head portion of the paddle is provided on an upper end side of the grip portion and forms a hitting surface for hitting a ball on each of both sides of the head portion in a thickness direction. A reinforcement portion that reinforces a connection part connecting the head portion and the grip portion is provided at the connection part. An upper end of the reinforcement portion is provided below a central position of the paddle as a whole in the up-down direction.