Adjustable Weight Golf Club Head for Center of Gravity Control

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Golf club designers face challenges in redistributing weight to improve forgiveness, accuracy, and performance, as existing technologies lack adjustable weight systems that allow users to easily alter the weight distribution within the club head.

Innovation Solution

A golf club head with a movable and adjustable weight system that can be rotated between different positions, remaining connected to the club head, allowing users to redistribute weight to various regions, thereby altering the flight path of the ball.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If weight is redistributed to improve forgiveness and accuracy, then club performance is improved, but the complexity of the club head structure increases

Engineering Contradiction:
Improveclub performanceVSAvoidclub head structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies the dynamics principle by making the weight position adjustable rather than fixed. The weight can be repositioned between multiple locations in the club head, allowing the center of gravity to be dynamically changed to suit different playing conditions and golfer preferences, thereby improving performance without permanently complicating the structure.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent applies segmentation by dividing the club head into distinct functional zones with specific weight positions. By creating multiple discrete weight locations (such as rear, toe, heel, and face positions), the design allows selective weight distribution to improve forgiveness in specific areas without requiring a completely complex redistributed structure.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If adjustable weight system is added to alter flight path, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improveflight path adjustmentVSAvoidweight system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The adjustable weight system embodies the dynamics principle by enabling the weight to be repositioned between multiple fixed locations within the club head. This allows golfers to dynamically adjust the center of gravity position to alter ball flight characteristics (such as draw, fade, or neutral trajectories) without requiring a completely complex mechanism—simply a movable weight with defined stop positions.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If weight is moved to rear portion to lower center of gravity, then accuracy is improved, but manufacturing complexity increases

Engineering Contradiction:
Improvecenter of gravity positioningVSAvoidclub head fabrication
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The patent applies segmentation by creating discrete, pre-determined weight positions within the club head, including a rear position that lowers the center of gravity. Rather than requiring continuous or custom positioning, the segmented approach provides specific manufactured locations (recesses or channels) where the weight can be placed, improving center of gravity control while maintaining manufacturing feasibility through standardized positioning features.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP2621593B1Golf club with adjustable weight
Publication Date: 2016.02.10 NIKE INNOVATE CV
  • EP2621593B1 patent drawingFigure 1A
  • EP2621593B1 patent drawingFigure 1B
  • EP2621593B1 patent drawingFigure 2A

AI summary

A golf club with a golf club head having one or more adjustable weights is presented. The club head may include a club head body having a recessed formed therein. In some arrangements, the recess may be formed in a sole portion of the club head body. The golf club head further includes an adjustable weight that may be rotated from a first position to a second position to adjust the weight characteristics, and thus the performance characteristics of the golf club. In some arrangements, the adjustable weight and/or any hardware, fasteners, etc. associated with the adjustable weight may be constantly connected to the golf club head such that adjustment of the weight does not include removal of the weight and/or any hardware, fasteners, etc.