Universal Golf Club Connector With Anti-Rotation Brand Interchange

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Solution Overview

Problem

Existing golf club connectors are brand-specific, limiting users to interchanging club heads and shafts only from the same manufacturer, preventing the use of preferred combinations from different brands.

Innovation Solution

A universal connector system with interchangeable first and second members, featuring anti-rotational mechanisms and a threaded connection, allowing club shafts and heads from different brands to be securely joined without rotation, using brand-specific anti-rotational members to ensure compatibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If brand-specific connectors are used to secure shafts and club heads, then connection strength and reliability are improved, but adaptability and versatility deteriorate as users are limited to interchanging components only from the same brand

Engineering Contradiction:
Improveconnection strengthVSAvoidbrand compatibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The connector is divided into two separate members: a first member that interfaces with the shaft and a second member that interfaces with the club head. This segmentation allows each member to be optimized for its specific function while enabling interchangeability between different brands.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The first member is designed with a universal interface that can mate with various brand-specific second members (club head connectors). This universal design enables users to interchange shafts and club heads from different brands while maintaining secure connections through the anti-rotational engagement mechanism.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Stability of the object's composition

If anti-rotational members are added to prevent relative rotation, then connection stability is improved, but device complexity increases

Engineering Contradiction:
Improveconnection stabilityVSAvoidconnector structure
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The anti-rotational members are integrated directly into the first and second connector members rather than being separate components. The first anti-rotational member is formed on the first member and the second anti-rotational member is formed on the second member, merging the anti-rotation function into the existing structure and avoiding additional parts.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The anti-rotational members utilize asymmetric geometric features (such as squared keyways, hexagon keyways, splines, or cam profiles) that engage with corresponding asymmetric features on the opposing member. This asymmetric design provides effective rotational prevention while maintaining a relatively simple overall structure.

Inventive Principle:
Principle #4Asymmetry

3Adaptability or versatility

If a universal connector system is implemented to allow different brand compatibility, then adaptability is improved, but manufacturing precision requirements worsen due to the need for multiple brand-specific interfaces

Engineering Contradiction:
Improvebrand compatibilityVSAvoidinterface tolerance
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The connector system is segmented into a universal first member and multiple brand-specific second members. This segmentation allows the universal interface (first member) to be manufactured with standardized tolerances, while the brand-specific interfaces (second members) can be optimized for their respective brands without affecting the universal compatibility of the first member.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The first member acts as an intermediary between the shaft and the various brand-specific second members. By standardizing the interface at the first member level, the system achieves universal compatibility while allowing each brand to maintain precision control over their own second member design.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS20260007934A1Universal connector for adjustable golf clubs
Publication Date: 2026.01.08 CLUB CONEX LLC
  • US20260007934A1 patent drawing
  • US20260007934A1 patent drawing
  • US20260007934A1 patent drawing

AI summary

A universal connector for an adjustable golf club is provided. Such a universal connector includes a first member having a head portion and a body portion and having a bore for receiving a terminal end of a shaft. The connector also includes a second member having a bore for receiving a portion of the first member therein. The first member includes a first anti-rotational member and the second member includes a second anti-rotational member. The first and second anti-rotational members are engageable with one another to prevent relative rotation of the first member relative to the second member about a longitudinal axis of the connector. The second member includes a third anti-rotational member, the third anti-rotational member configured to mate with an anti-rotational member of the golf club head to prevent relative rotation of the second member relative to the head.