Interchangeable Golf Club Shaft Hosel Connection System
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Solution Overview
Problem
Current golf club designs lack a convenient and aesthetically pleasing method for quickly and easily interchanging shafts and club heads with different flex characteristics, mass, center of gravity, and moment of inertia, which limits customization options for golfers.
Innovation Solution
A releasable connection system featuring a two-part hosel with anti-rotation devices, such as serrated surfaces or spring-loaded bayonet mounts, that minimizes relative rotation between the shaft and club head while maintaining the club's mass properties and aesthetics, allowing for easy customization and interchangeability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a threaded connection system is used to attach the club head to the shaft, then the connection strength is improved, but the assembly and disassembly time increases
Solution Approach 1:
The hosel is divided into two separate parts: a first hosel part attached to the shaft and a second hosel part attached to the club head. This segmentation allows for a simplified connection mechanism that reduces assembly time while maintaining connection strength through the anti-rotation device and fastener system.
Solution Approach 2:
The connection system incorporates a spring-loaded anti-rotation device that provides dynamic retention. The spring maintains continuous contact between the anti-rotation surfaces, ensuring positive engagement without requiring additional fastening steps, thus reducing assembly time while preserving connection integrity.
2Loss of time
If a quick release mechanism is implemented, then the assembly and disassembly time is reduced, but the reliability of the connection decreases
Solution Approach 1:
The anti-rotation surfaces are pre-configured on both hosel parts before assembly. When the first and second hosel parts are brought together, the anti-rotation surfaces automatically engage to prevent relative rotation, ensuring reliable connection without requiring additional adjustment or complex fastening procedures.
Solution Approach 2:
The anti-rotation device acts as an intermediary element between the first and second hosel parts. It mediates the connection by providing a positive mechanical interlock that ensures both quick assembly and reliable retention, eliminating the need for separate locking mechanisms.
3Stability of the object's composition
If anti-rotation surfaces are added to the connection system, then the prevention of relative rotation is improved, but the device complexity increases
Solution Approach 1:
The anti-rotation function is merged with the existing hosel structure by integrating anti-rotation surfaces directly into the first and second hosel parts. This combining approach eliminates the need for separate anti-rotation components, reducing overall device complexity while maintaining effective prevention of relative rotation between shaft and club head.
Data Source
AI summary
Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head.