Variable Internal Edge Radius Golf Club Head
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Solution Overview
Problem
Modern golf club design faces challenges in maximizing performance and durability while withstanding high impact forces associated with striking a golf ball, as existing clubs approach material strength limits and require improved designs to sustain performance through multiple cycles of use.
Innovation Solution
A golf club head with a variable internal edge radius along the transition from the striking face to the sole and topline, featuring localized maximum and minimum radius portions to enhance stiffness, durability, and weight distribution, thereby reducing cracking and maintaining consistent ball speed across the striking face.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the golf club head uses uniform internal edge radius design, then the manufacturing process is simple, but the durability and resistance to cracking under high impact forces is insufficient
Solution Approach 1:
The patent applies local quality by varying the internal edge radius along the leading edge of the striking face. Specifically, the radius is reduced in the central region (where ball strikes occur most frequently) and increased toward the heel and toe regions. This localized variation optimizes structural strength precisely where needed to resist cracking under high impact forces, rather than using a uniform radius throughout the entire edge.
Solution Approach 2:
The patent implements parameter changes by modifying the internal edge radius parameter along the leading edge. The radius transitions from larger values at the heel and toe to smaller values in the center region, creating a gradient structure. This parameter variation allows the club head to better distribute and withstand impact forces across different strike locations, improving overall durability.
2Reliability
If the golf club head uses variable internal edge radius to improve durability, then the resistance to cracking increases, but the manufacturing precision requirements increase
Solution Approach 1:
The variable radius design focuses precision requirements on specific critical regions. The central region, where the radius is smallest and cracking risk is highest, receives the most precise radius control. The heel and toe regions can tolerate slightly larger variations in radius, allowing manufacturing resources to be concentrated where they provide the greatest reliability improvement.
Data Source
AI summary
A golf club head having a variable internal edge radius is disclosed herein. More specifically, the golf club head in accordance with the present invention has an internal leading edge that is radiused within planes perpendicular to the striking face. The radius of the internal leading edge varies in a heel-to-toe direction. The varying radius may provide localized stiffening or flexing across the striking face.