Threaded Damper for Golf Club Head Vibration Absorption
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Solution Overview
Problem
Conventional golf club heads with elastic members for vibration absorption face issues such as the elastic member breaking during use and difficulty in accurately and tightly fixing the elastic material between the head main body and face plate, leading to reduced production efficiency and maintenance challenges.
Innovation Solution
A golf club head design featuring a head main body with a hole having a helical groove and a damper with a threaded outer surface, allowing for secure screwing of the damper to the head main body using a thermoplastic elastomer material that effectively absorbs vibrations by converting them into thermal energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an elastic member is adhered to the back side of the face portion using adhesive, then vibration absorption is achieved, but the elastic member breaks away during use
Solution Approach 1:
The patent replaces the chemical bonding system (adhesive) with a mechanical fastening system (threaded hole and screw). The head main body is provided with a threaded hole, and the elastic member has a screw thread that engages with this hole, creating a mechanical connection that is more reliable than adhesive bonding for withstanding repeated impact forces.
2Reliability
If an elastic member is sandwiched between the head main body and face plate, then vibration absorption is achieved, but it is difficult to fix the elastic material accurately and tightly
Solution Approach 1:
The patent replaces the difficult sandwich fixation method with a simple threaded insertion method. The elastic member with an external screw thread is easily inserted into the threaded hole of the head main body, providing both accurate positioning and tight fixation without the complexity of sandwiching between two components.
Solution Approach 2:
The patent separates the elastic member from the face plate, making them independent components. The elastic member is provided with a screw thread and is inserted into a threaded hole in the head main body, allowing for independent manufacturing, assembly, and maintenance of each component.
3Reliability
If an elastic member is sandwiched between the head main body and face plate, then vibration absorption is achieved, but production efficiency is deteriorated and maintenance is difficult
Solution Approach 1:
The patent separates the elastic member from the face plate, making them independent components that can be manufactured separately and assembled easily. This segmentation allows for streamlined production processes and simplified maintenance, while the threaded connection ensures reliable vibration absorption performance.
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 solution enables easy and secure fixation of the damper, maintaining high vibration absorption performance while improving durability and hit feel, as demonstrated by improved ball hitting sensations and extended durability in comparison tests.
Implementation Method 1
a damper having a thread on its outer surface and screwed to the hole, the damper being made of elastic material at least partially for absorbing vibration of the head main body
Data Source
AI summary
A golf club head comprises a head main body being provided with at least one hole having a helical groove on its inner surface, and a damper having a thread on its outer surface and screwed to the hole of the head main body, the damper being made of elastic material at least partially for absorbing vibration of the head main body.