Composite Golf Grip Vibration Feedback via Layered Shell
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Solution Overview
Problem
Conventional putter grips, made of rubber, may dampen vibrations that provide valuable feedback to golfers during a putting stroke, reducing the golfer's ability to determine if the ball was struck at the center or off-center, which is undesirable for improving putting technique.
Innovation Solution
A golf grip with a composite shell and a foam layer, optionally including a core tube and core protrusions, providing a seamless surface, reduced weight, and adjustable vibration dampening and transference to enhance feedback during a putting stroke.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If rubber material is used for putter grip, then vibration dampening is improved, but vibrational feedback to golfer is reduced
Solution Approach 1:
The grip is divided into multiple functional layers: a composite shell layer for structural integrity and vibration transference, and an inner foam layer for vibration dampening and comfort. This segmentation allows each layer to perform its specific function - the composite shell transfers vibrational feedback to the golfer while the foam layer dampens excessive vibrations for comfort.
Solution Approach 2:
The grip uses a composite construction combining a composite shell (made of fiber-reinforced polymer materials) with an inner foam layer. This composite material structure enables the grip to simultaneously provide vibration dampening properties from the foam and vibration transference properties from the composite shell, resolving the contradiction between dampening harmful vibrations and maintaining useful vibrational feedback.
2Loss of information
If composite shell with foam layer is used, then vibrational feedback is improved, but grip complexity increases
Solution Approach 1:
The foam layer is nested inside the composite shell, creating a compact multi-layer structure. The core tube is nested within the foam layer, and the shaft cavity is formed within the core tube. This nesting arrangement allows the complex multi-functional grip to be constructed in a space-efficient manner, minimizing overall complexity while maintaining all required functions.
Solution Approach 2:
The composite shell serves multiple functions: providing structural integrity to the grip, enabling vibration transference to the golfer for feedback, and forming the outer surface for gripping. The foam layer simultaneously provides vibration dampening and structural support. This multi-functionality reduces the need for additional separate components, thereby managing complexity.
3Loss of information
If core tube with protrusions is used, then vibration transference is improved, but manufacturing complexity increases
Solution Approach 1:
The core tube with protrusions is pre-formed as an integral component before assembly. The protrusions are molded directly into the core tube structure, creating predetermined vibration transmission pathways. This preliminary formation of the vibration transmission structure simplifies the final assembly process and ensures consistent vibration transference performance without requiring complex post-assembly operations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The grip allows for comfortable and precise gripping while providing valuable vibrational feedback to the golfer, helping to determine the strike location and force, thus aiding in putting stroke adjustments.
Implementation Method 1
Rubber can also dampen vibrations and reduce the magnitude of forces generated by impacting the ball and the ground that reach a golfer's hands
Implementation Method 2
which may prevent injury or reduce the chances of injury
Implementation Method 3
The composite shell may provide a seamless surface for a golfer to grasp that does not deflect inward as the golfer grasps a putter for a putting stroke
Implementation Method 4
The core protrusions may transfer vibration from the shaft to the composite shell, which may provide valuable feedback to the golfer during a putting stroke
Data Source
AI summary
A golf grip for a golf club is disclosed herein. The golf grip includes a closed end, an open end, a composite shell including a laminate composite fiber material, a foam layer, and a shaft cavity. The foam layer is inward of the composite shell. The shaft cavity extends from the open end towards the closed end. The shaft cavity is inward from the composite shell and the foam layer. In embodiments, the golf grip also includes a core tube inward of the composite shell and of the foam layer. The core tube forms a shaft cavity for receiving a shaft of the golf club.