Golf Club Head Removable Weight for Fast Mass Distribution Tuning

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Solution Overview

Problem

Current techniques for adjusting the weight of golf club irons or wedges are limited, often permanent and time-consuming, such as material removal or addition, lacking dynamic adjustability.

Innovation Solution

A golf club head design featuring a removable weight that fits into a recess with a fastener, allowing quick and easy adjustment of mass, center of gravity, and moment of inertia without altering the club's structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If material removal or addition techniques are used to adjust weight, then weight adjustment is achieved, but the process is permanent and time-consuming

Engineering Contradiction:
Improveweight adjustabilityVSAvoidadjustment time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent implements a removable weight system that allows dynamic adjustment of the golf club head weight. The weight can be easily removed and reattached through a simple hole punching and tape application process, transforming a static weight design into a dynamic, adjustable one without requiring time-consuming material removal or addition techniques

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The weight adjustment system is segmented into separate components: a removable weight element, a hole in the club head for weight insertion, and adhesive tape for securing. This segmentation allows the weight to be independently adjusted without affecting the structural integrity of the club head, enabling quick modifications

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If material removal or addition techniques are used to adjust weight, then weight adjustment is achieved, but the process is permanent

Engineering Contradiction:
Improveweight adjustabilityVSAvoidstructural permanence
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent creates a dynamic weight adjustment system where the weight can be easily removed and reattached through hole punching and tape application, allowing the composition to change from permanent to adjustable without compromising structural integrity

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The weight element is extracted from the permanent structure and placed in a removable position with a hole and tape system. This extraction allows the weight to be separated from the club head structure, enabling adjustment while maintaining the overall structural integrity through non-permanent attachment methods

Inventive Principle:
Principle #2Taking out (Extraction)

3Adaptability or versatility

If a removable weight system is implemented, then dynamic adjustability is achieved, but device complexity increases

Engineering Contradiction:
Improveweight adjustabilityVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies local quality changes by adding a simple hole and tape system only at the specific location where weight adjustment is needed, rather than complicating the entire club head structure. The complexity is localized to the weight adjustment area while the rest of the club head remains simple and unchanged

Inventive Principle:
Principle #3Local quality

4Adaptability or versatility

If traditional weight adjustment methods are used, then weight can be modified, but manufacturing precision and customization are limited

Engineering Contradiction:
Improvecustomization capabilityVSAvoidweight precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent enables dynamic weight adjustment with precision control by allowing users to select specific weight elements and attach them through a standardized hole and tape system, achieving both customization and precision in weight distribution without manufacturing complexity

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20250367518A1Golf club head including a removable weight
Publication Date: 2025.12.04 ACUSHNET CO
  • US20250367518A1 patent drawing
  • US20250367518A1 patent drawing
  • US20250367518A1 patent drawing

AI summary

The presently disclosed technology is directed to a golf club head including a removable weight to fit into a weight recess. The removable weight may include a body portion comprising a first body end on a toeward end of the body portion in an installed position and a second body end on a heelward end of the body portion in the installed position. The second body end is shaped to have the angle such that the second body end fits into the first heelward end.