Angled Golf Club Hosel Adapter for Lie Angle Adjustment
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Solution Overview
Problem
Conventional methods for custom-fitting golf clubs, such as bending hosels or providing multiple bore angles, are limited in adjusting lie angles efficiently, leading to reduced choices and potential deformation of structural components, which can affect the technical performance of golf clubs.
Innovation Solution
A system for connecting golf club shafts to heads with an angled connection structure that allows for adjustable lie angles, using a connection region structure with a bore and mounting surface at a non-zero angle, enabling easy interchangeability of components to achieve various lie angles without compromising strength or stiffness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hosels are bent to adjust lie angle, then lie angle customization is achieved, but structural strength and stiffness of the hosel are compromised
Solution Approach 1:
The hosel is divided into multiple interchangeable adapters, each with a different lie angle. Instead of bending a single hosel, the system segments the adjustment function into separate modular components that can be swapped based on the desired lie angle, preserving the structural integrity of each individual adapter.
Solution Approach 2:
The system transitions from a static, fixed lie angle hosel to a dynamic system where the lie angle can be changed by replacing adapters. This allows the hosel to adapt to different lie angles without permanent deformation, maintaining strength and stiffness for each specific configuration.
2Adaptability or versatility
If multiple bore angles are provided in club heads, then different lie angles can be accommodated, but device complexity and inventory requirements increase
Solution Approach 1:
A single club head design with a universal bore can accommodate multiple lie angles through the use of interchangeable adapters. Each adapter provides a different lie angle adjustment, allowing one club head to serve multiple functions without requiring multiple specialized club heads with different bore angles.
Solution Approach 2:
Adapters serve as intermediary components between the club head bore and the shaft. These adapters mediate the connection, allowing the club head to maintain a simple, universal bore design while still achieving multiple lie angle configurations through the intermediary adapter layer.
3Ease of manufacture
If a single bore angle is used in club heads, then manufacturing is simplified, but adaptability to different lie angles is reduced
Solution Approach 1:
The lie angle adjustment function is segmented from the club head manufacturing process. The club head is manufactured with a simple, universal bore, while the lie angle variation is achieved through separate, pre-fabricated adapters that are attached later. This segmentation simplifies club head manufacturing while maintaining adaptability.
Solution Approach 2:
Adapters are pre-manufactured with specific lie angle configurations before being attached to the club head. This preliminary preparation of adapters allows the club head to be manufactured once with a universal design, and the desired lie angle is achieved by selecting and attaching the appropriate pre-made adapter.
Data Source
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AI summary
A golf club having a shaft, a club head and a connection region structure provides an angled connection of the shaft to the club head. The connection region structure includes a first end, a second end and a bore extending from the first end toward the second end. The first end has an opening to receive the distal end of the shaft. The second end is opposite to the first end and includes a mounting surface. The bore receives the distal end of the shaft and defines a longitudinal axis. The mounting surface is at a non-zero angle to a perpendicular to the longitudinal axis of the bore. Further, the mounting surface abuts the first surface of a shaft-attachment structure that projects from a main body of the club head.