Golf Club Head Heel Weight Plug for Draw Bias
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Solution Overview
Problem
Conventional golf club heads with removable or adjustable shafts face a challenge in maximizing draw bias due to space constraints in the sole opening, which limits the area available for weight addition.
Innovation Solution
A golf club head design featuring a heel-side sole opening communicating with a hosel bore, where a weight plug is reversibly fixed with a screw to fill and focus mass at the lower heel side, allowing for improved draw bias and discretionary weight distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a screw is inserted through a sole opening to engage the shaft sleeve, then the shaft sleeve can be reversibly affixed to the club head, but the sole opening occupies a great deal of space, minimizing the area where manufacturers can add weight to increase the draw bias of the head
Solution Approach 1:
The invention divides the weight addition function from the shaft attachment function by creating a separate weight plug that can be independently installed in the heel side opening. This segmentation allows the sole opening to be used for its primary purpose (shaft attachment) while the weight plug provides the weight addition function in a different location, thereby resolving the space conflict.
Solution Approach 2:
The invention moves the weight addition from the sole plane to the heel side vertical dimension. By creating a heel side opening that extends vertically into the club head body, the design utilizes the third dimension (depth/vertical space) rather than competing for horizontal sole area, thus resolving the spatial conflict between shaft attachment and weight addition.
2Stability of the object's composition
If weight is added to increase draw bias, then the center of gravity and forgiveness are improved, but the available space for weight addition is limited by the existing sole opening structure
Solution Approach 1:
The invention creates a localized weight addition solution by forming a specific heel side opening in a particular region of the club head body. This local quality approach allows weight to be concentrated in the heel side region, optimizing the center of gravity position for draw bias without requiring space in other areas of the club head.
Solution Approach 2:
The weight plug is designed to be inserted into and nested within the heel side opening that extends into the club head body. This nesting arrangement allows the weight plug to occupy the internal volume of the opening, maximizing weight addition within the available spatial envelope without protruding or interfering with other club head components.
Data Source
AI summary
A golf club head comprising a body with a heel-side sole opening in communication with a hosel bore, a removable shaft sleeve with a tip sized to fit within the hosel bore, and a weight plug sized to fit within, and at least partially fill, the heel-side opening is disclosed herein. The weight plug, which has a base end with a through-opening, a tip end with a flange, and a side opening in communication with the through-opening, is connected to the shaft sleeve with a screw. When the golf club head is fully assembled, a hosel flange is trapped between the weight plug and the tip end of the shaft sleeve, and tightening the screw causes the weight plug and the shaft sleeve to move towards one another.