Golf Club Head Weight Structure for Lower Center of Gravity
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Solution Overview
Problem
Existing golf club heads lack the ability to effectively adjust the position of the center of gravity and weight distribution, limiting performance enhancements.
Innovation Solution
A golf club head design incorporating a weight member with a specific structure that includes a weight member receiving portion and a joint portion, allowing for the insertion and fixation of a weight member to support the weight member from multiple sides, thereby adjusting the center of gravity and weight distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a weight member is inserted into a body recess to adjust center of gravity position, then the center of gravity position can be adjusted, but the structure becomes complex and the weight member requires multiple support portions
Solution Approach 1:
The weight member receiving portion is divided into multiple support portions (lower support portion, toe-side support portion, heel-side support portion, and upper support portion) that independently support different regions of the weight member. This segmentation allows precise control of the weight member's position and orientation, enabling accurate center of gravity adjustment while maintaining structural clarity through functional division.
Solution Approach 2:
The weight member is inserted into and nested within the body recess of the head body. The weight member receiving portion is formed as a cavity within the head body structure, allowing the weight member to be housed inside the existing structure rather than adding external components, thereby reducing overall device complexity.
2Reliability
If the upper support portion is made complete to fully support the weight member, then support reliability increases, but the weight of the head increases and center of gravity cannot be lowered
Solution Approach 1:
A portion of the upper support portion is extracted or removed to form an upward opening. This opening eliminates unnecessary material from the upper region where weight contributes least to center of gravity lowering. The remaining upper support portion continues to provide adequate support for the weight member's upper side while significantly reducing the overall weight of the head.
Solution Approach 2:
The upward opening creates a three-dimensional configuration where the upper support portion is no longer a complete solid structure but an open framework. This dimensional change allows the weight member to be supported from below and sides while removing material from the upper region, effectively lowering the center of gravity without compromising support reliability.
3Reliability
If the weight member is fixed securely to the head body, then reliability of weight adjustment increases, but the joint portion requires additional material and complexity
Solution Approach 1:
The joint portion is formed by merging or joining the weight member with the head body at the boundary between the weight member receiving portion and the weight member. This integration creates a unified structure where the weight member becomes a permanent part of the head assembly, ensuring reliable weight adjustment while eliminating the need for separate fixation mechanisms that would add complexity.
Data Source
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AI summary
A golf club head includes a striking face. The head further includes: a head body having a face opening and a weight member receiving portion; a face member covering the face opening and forming at least a part of the striking face; a weight member inserted into the weight member receiving portion from a face side and fixed thereto; and a joint portion formed on a boundary between the weight member receiving portion and the weight member. The weight member receiving portion includes: a lower support portion supporting a lower side of the weight member; a toe-side support portion supporting a toe side of the weight member; a heel-side support portion supporting a heel side of the weight member; an upper support portion supporting an upper side of the weight member; and an upward opening formed by an absence of a portion of material in the upper support portion.