Golf Club Length Adjustment Device with Nested Grip Locking
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Solution Overview
Problem
Existing golf club designs lack a convenient and hidden shaft length adjustment system, making it difficult for golfers to accurately adjust club length without requiring custom grips or new shafts, which can lead to suboptimal performance due to incorrect shaft length.
Innovation Solution
A golf club length adjustment device with a sliding mechanism and locking system that allows for discrete length adjustments, hidden from view, using a first member affixed to the main shaft and a second member coupled to the grip, with a locking system comprising detents and a locking member that can be engaged using a tool, allowing for secure and adjustable length settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a shaft length adjustment system is added to golf clubs, then adaptability and ease of operation are improved, but device complexity increases
Solution Approach 1:
The adjustment mechanism is nested within the existing grip structure. The grip contains an internal cavity that receives the shaft, and the adjustment mechanism components (locking members, detents, actuating member) are integrated within the grip's internal structure, allowing the grip to serve dual purposes as both a握持 component and a housing for the adjustment mechanism.
Solution Approach 2:
The grip serves multiple functions: it provides the standard握持 function for the golfer, houses the adjustment mechanism components, and acts as the interface for length adjustment. The locking members engage with detents to secure the shaft at discrete lengths, while the actuating member provides a universal interface that can be operated with standard tools.
2Ease of operation
If a visible adjustment system is used, then ease of operation is improved, but aesthetic appearance deteriorates
Solution Approach 1:
The adjustment mechanism is completely nested within the grip's internal cavity. The locking members, detents, and actuating member are all contained within the grip structure, making the adjustment system invisible from the exterior. The grip's external appearance remains unchanged, maintaining aesthetic appearance while providing full adjustment functionality.
Solution Approach 2:
The actuating member serves as an intermediary interface between the external world and the internal locking mechanism. It translates external tool input into internal locking/unlocking actions, allowing operation without visible external controls on the club.
3Adaptability or versatility
If a custom grip is required for adjustment, then adaptability is improved, but ease of manufacture and cost increase
Solution Approach 1:
The grip is designed with a universal internal cavity structure that can accommodate the adjustment mechanism while maintaining compatibility with standard shafts. The locking members and detents are configured to work with discrete length positions without requiring custom grip modifications for different shaft lengths.
Solution Approach 2:
The adjustment mechanism allows the grip-shaft assembly to dynamically adapt to different length requirements through the sliding and locking of the shaft relative to the grip, without requiring physical modification or customization of the grip itself.
Data Source
AI summary
A golf club length adjustment device for use in a golf club, including a first member affixed to a main shaft, a second member slideably coupled to the first member, the second member adapted to couple to a golf club grip, wherein the first member is configured to slide relative to the second member to change the length of the golf club; a locking system having a locked position and an unlocked position; wherein the locking system includes at least one locking member and a plurality of detents, wherein the locking member is configured to selectively engage at least one of the plurality of detents; wherein the first member is formed of a first material having a first density; wherein the locking member is formed of a second material having a second density; wherein the second density is greater than the first density.