Variable Length Golf Club Shaft With Pin And Notch
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Solution Overview
Problem
Current methods for adjusting golf club length are complex, require specialized tools and skills, and can be expensive, making it difficult for golfers to easily modify their clubs without damaging them or purchasing new components.
Innovation Solution
A variable length golf club shaft system comprising an upper shaft portion with a pin and a hollow lower shaft portion with notches, allowing for quick length adjustments by swapping upper shaft sections of different lengths without altering the lower shaft or damaging the club, using a locating clip and expandable bushing for secure assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the grip is removed by tearing or peeling to adjust shaft length, then the shaft length can be trimmed or extended, but the grip and shaft are damaged and expensive tools are required
Solution Approach 1:
The shaft is divided into multiple replaceable sections (full shafts of different lengths) that can be swapped without damaging the grip or shaft. Each section is a complete, undamaged component that can be installed independently.
Solution Approach 2:
Instead of permanently modifying or damaging the original shaft to change length, the system allows recovery of the original undamaged shaft by removing it from service and replacing it with a different length section, preserving both for future use.
2Length of moving object
If the entire shaft is replaced to adjust length, then the correct length can be achieved, but expensive new components are required and technical skill is still needed
Solution Approach 1:
The system transforms the static shaft into a dynamic, adjustable component by implementing a quick-release mechanism that allows the shaft length to be changed on-demand without permanent modification or complex assembly procedures.
Solution Approach 2:
The shaft length adjustment system is designed to be user-operable without requiring technical expertise or specialized tools. The quick-release mechanism enables golfers to independently adjust shaft length themselves.
3Length of moving object
If traditional shaft extension methods are used, then length adjustment is possible, but the process is time-consuming and requires specialized tools and skills
Solution Approach 1:
Multiple shaft sections of different lengths are prepared in advance and stored ready for use. When length adjustment is needed, the appropriate pre-prepared section is simply swapped in without requiring any on-site modification or assembly work.
4Length of moving object
If club length is adjusted using conventional methods, then the desired length can be achieved, but swing weight and feel may be altered
Solution Approach 1:
The system allows selective replacement of only the shaft section that needs adjustment while preserving the grip, lower shaft, and other components that contribute to the club's swing weight and feel characteristics. Each shaft section is designed to maintain consistent local properties.
Data Source
AI summary
A variable length golf club shaft is disclosed herein. The variable length golf club shaft includes at least one upper shaft portion having a first diameter and a hollow lower shaft portion having a second diameter that is larger than the first diameter, wherein the lower shaft portion has at least one notch, and wherein the at least one upper shaft portion has at least one pin that fits within the at least one notch.