Golf Club Hosel Insert Mass Redistribution

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Solution Overview

Problem

The challenge in golf club design is to create a larger golf club head with improved mass distribution without compromising performance, which existing technologies struggle to achieve by optimizing material density distribution effectively.

Innovation Solution

The solution involves using a hosel insert made of a material with a lower density than the rest of the golf club head, such as magnesium, which is integrated into the club head's design to reduce mass in the hosel area and redistribute it for better performance and feel.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If the golf club head volume is increased to improve game experience, then the club head size is improved, but the mass distribution becomes difficult to optimize

Engineering Contradiction:
Improvegolf club head volumeVSAvoidmass distribution
Core Design Contradiction:
Volume of moving objectVSStability of the object's composition

Solution Approach 1:

The patent applies local quality by using a hosel insert made of a first material with a first density in the hosel region, while the remainder of the golf club head is made of a second material with a second density. This creates different material densities in different regions of the club head, allowing optimization of mass distribution in the hosel area while maintaining overall club head volume and performance characteristics.

Inventive Principle:
Principle #3Local quality

2Volume of moving object

If the golf club head volume is increased, then the club head size is improved, but the mass of the golf club increases

Engineering Contradiction:
Improvegolf club head volumeVSAvoidgolf club mass
Core Design Contradiction:
Volume of moving objectVSWeight of moving object

Solution Approach 1:

The patent changes the material density parameter by selecting a first material with a first density for the hosel insert and a second material with a second density for the remainder of the club head. This parameter change allows the club head to achieve desired volume while controlling overall mass through strategic material selection and density variation.

Inventive Principle:
Principle #35Parameter changes

3Weight of moving object

If a hosel insert with lower density material is used to reduce mass, then the mass in the hosel area is reduced, but structural integrity may be compromised

Engineering Contradiction:
Improvehosel area massVSAvoidstructural integrity
Core Design Contradiction:
Weight of moving objectVSStrength

Solution Approach 1:

The patent uses composite materials by combining a first material with a first density for the hosel insert and a second material with a second density for the remainder of the golf club head. This composite approach allows optimization of mass distribution in the hosel region while maintaining overall structural integrity through the combination of different materials with complementary properties.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS9327170B2Golf clubs with hosel inserts and related methods
Publication Date: 2016.05.03 KARSTEN MFG CORP
  • US9327170B2 patent drawing
  • US9327170B2 patent drawing
  • US9327170B2 patent drawing

AI summary

Embodiments of golf clubs with hosel inserts are presented herein. Other examples and related methods are also disclosed herein.