Golf Club Head Cable Assembly Stress Reduction
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Solution Overview
Problem
Existing golf club heads do not effectively reduce stress on the striking face during impact with a golf ball while minimizing mass increase.
Innovation Solution
A golf club head with an adjustable-tension cable assembly connecting the crown and sole sections, which reduces stress on the striking face by preloading the cable portion using a screw plug, maintaining tension without increasing the club head's mass.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If interior structures are added to reduce stress on the striking face, then stress reduction and ball speed improve, but the mass of the golf club head increases
Solution Approach 1:
The patent employs thin cable assemblies (flexible elements) that span the hollow interior of the club head, connecting the crown and sole sections. These cables function similarly to flexible shells by providing structural support and stress distribution across the striking face without requiring bulky interior bracing. The cables are tensioned to create a prestressed structure that actively manages impact stresses while maintaining a lightweight profile compared to traditional rigid interior supports.
2Strength
If cable tension is increased to improve stress reduction, then ball speed increases, but the complexity of adjusting and maintaining the cable assembly increases
Solution Approach 1:
The cable assembly incorporates adjustable tensioning mechanisms that allow the static cable structure to be dynamically configured during assembly and maintenance. The cables can be tensioned to specific levels and locked in place, transforming a potentially complex continuous adjustment system into a discrete, manageable tensioning process. This dynamic adjustment capability enables optimization of stress reduction performance while keeping the adjustment procedure straightforward through tool-based tensioning and locking mechanisms.
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 adjustable-tension cable assembly effectively reduces stress on the striking face during impact, enhancing ball speed without adding significant weight to the golf club head.
Implementation Method 1
the structures connecting an upper body portion to a lower body portion to reduce the stress in the striking face during impact with a golf ball
Data Source
AI summary
A golf club head with a face stress-reduction structure disposed proximate a rear surface of a striking face is disclosed herein. In particular, the structure is an adjustable tension cable assembly extending from an upper portion of the golf club head, preferably a return section, to a lower portion of the golf club head, preferably a sole portion, approximately parallel with the rear surface of the striking face. The cable assembly comprises a cable portion, a hollow sleeve, and a screw plug.