Two-Part Putter Head for Higher MOI Without Weight Ports
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Solution Overview
Problem
Existing putter-type golf club heads with weight ports in the heel and toe regions increase weight, cost, and cause vibrations, affecting sound and balance, while traditional single-material construction limits MOI and forgiveness.
Innovation Solution
A two-part putter head design featuring an upper portion made of low-density metal and a lower portion made of high-density metal, with a sole plate, providing increased MOI and perimeter weighting, and incorporating features like ball retrieval and alignment aids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If weight ports are installed in the heel and toe regions to increase MOI, then the moment of inertia increases and ball path straightness improves, but the overall weight of the club head increases and becomes heavier than ideal
Solution Approach 1:
The patent applies parameter changes by varying the density of different portions of the putter head. The strike face is made of a first density material while the heel and toe regions are made of a second density material, creating perimeter weighting that increases MOI without uniformly increasing overall weight. This density variation allows the club head to achieve stability improvements while maintaining ideal weight.
Solution Approach 2:
The patent uses composite materials by combining different density materials within the putter head structure. The strike face uses a first material with a first density and the heel/toe regions use a second material with a second density, creating a composite construction that achieves perimeter weighting and increased MOI while controlling overall weight.
2Stability of the object's composition
If weight ports are installed in the heel and toe regions to increase MOI, then the moment of inertia increases, but the manufacturing cost increases due to requiring cavities or recesses
Solution Approach 1:
The patent applies local quality by making different portions of the putter head have different material densities according to their functional requirements. The strike face uses a first density material optimized for ball contact, while the heel and toe regions use a second density material optimized for perimeter weighting. This localized material selection achieves MOI improvement without requiring expensive cavity work.
3Stability of the object's composition
If weight ports with cavities or recesses are installed to increase MOI, then the moment of inertia increases, but vibrations occur during impact and sound quality deteriorates
Solution Approach 1:
The patent uses composite materials with different density properties to eliminate harmful vibrations. By constructing the putter head from multiple materials with varying densities (first density material for strike face, second density material for heel/toe regions), the structure achieves perimeter weighting without creating hollow cavities that cause vibrations and hollow sounds during impact.
Data Source
AI summary
Embodiments of multi-component putters comprising an upper portion and a lower portion are described herein. The upper portion is formed from a first material having a first density and the lower portion is formed from a second material having a second density. The first density is less than the second density. The upper portion is affixed to the lower portion via an adhesive or a combination of adhesives and interlocking geometry. The multi-component putter design provides increased forgiveness and moment of inertia compared to a putter formed from a single material.