Segmented Paddle Bumper Band for Edge Protection
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Solution Overview
Problem
Sports paddles often suffer from edge damage and vibration issues during use, with some lacking edge guards that increase vulnerability and produce unwanted noise.
Innovation Solution
A paddle bumper with a band that encases the lateral edge of the paddle, featuring a handle portion, protrusions, and adjustable thickness to reduce wear, vibration, and noise, while optionally attaching to existing edge guards or providing additional weight through strategically placed holes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a paddle lacks an edge guard, then the paddle structure remains simple and lightweight, but the lateral edge becomes vulnerable to damage and produces unwanted noise during use
Solution Approach 1:
The edge guard is divided into multiple independent bands that can be separately manufactured and assembled. Each band wraps around a specific portion of the lateral edge, allowing modular replacement and reducing overall complexity while providing comprehensive protection against edge damage and noise
Solution Approach 2:
The bands are designed to wrap around and encase the lateral edge in a nested configuration, with each band layer providing additional protection. The nested structure allows the edge guard to conform to the paddle geometry while maintaining a compact form that does not significantly increase overall device complexity
2Strength
If the band is made thicker to reduce vibration and enhance durability, then vibration damping and strength improve, but the weight of the paddle increases
Solution Approach 1:
The band thickness is varied locally along its length rather than being uniformly thick. Thicker sections are positioned at locations experiencing higher stress or vibration, while thinner sections are used where less protection is needed. This local quality approach enhances durability and vibration damping at critical areas without unnecessarily increasing overall paddle weight
Solution Approach 2:
The band is constructed from composite materials that provide high strength-to-weight ratio and effective vibration damping. The composite structure allows the band to achieve enhanced durability and vibration reduction properties while minimizing weight addition to the paddle
3Object-affected harmful factors
If the band completely encases the lateral edge, then protection and vibration reduction are maximized, but the paddle loses flexibility and adds unnecessary weight
Solution Approach 1:
The edge guard is segmented into multiple separate bands rather than a single continuous encasement. This segmentation allows each band to independently conform to the paddle edge while leaving gaps between bands that preserve paddle flexibility and reduce overall weight, while still effectively reducing vibration and noise at contact points
Solution Approach 2:
Rather than completely encasing the entire lateral edge, the bands are positioned to provide protection at critical areas where vibration and noise are most problematic. This partial action approach achieves effective vibration and noise reduction without the weight and flexibility penalties of complete encasement
Data Source
AI summary
In an example, a paddle bumper may include a band configured to extend around and at least partially encase at least a portion of a lateral edge of a paddle. The band includes a first portion, a second portion, and a handle portion. The handle portion includes an aperture, a first lateral side, and a second lateral side opposite the first lateral side. The first portion of the band connects to the first lateral side and the second portion of the band connects to the second lateral side.