Adjustable Putter Hosel Insert for Stroke Adaptation
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Solution Overview
Problem
Current golf putters with fixed hosel types are not adaptable to individual golfer's unique stroke characteristics, limiting the ability to achieve perfect square impact during the putting stroke, as they cannot be adjusted for shaft offset and toe hang after purchase, forcing golfers to compensate with swing adjustments.
Innovation Solution
The introduction of adjustable hosel inserts (AHIs) that allow rotation adjustments to create various shaft offset and toe hang configurations, enabling golfers to customize their putters to match their natural putting stroke, including diagonal and perpendicular AHIs that can be rotated in defined angular increments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed hosel types are used in putters, then manufacturing simplicity and compliance with USGA rules are maintained, but adaptability to individual golfer stroke characteristics is limited
Solution Approach 1:
The hosel is divided into multiple adjustable components including the hosel insert, adapter, and shaft connection elements. This segmentation allows independent adjustment of lie angle, shaft offset, and toe hang parameters without redesigning the entire hosel structure, thereby improving adaptability while maintaining manageable complexity.
Solution Approach 2:
The hosel structure transitions from a fixed configuration to a dynamic, adjustable system. The adjustable hosel insert and adapter mechanisms enable golfers to modify lie angle, shaft offset, and toe hang settings to match their individual stroke characteristics, making the equipment adaptable rather than static.
2Adaptability or versatility
If adjustable hosel inserts are introduced, then customization for shaft offset and toe hang is enabled, but device complexity and adjustment mechanism requirements increase
Solution Approach 1:
The adjustable hosel insert system serves multiple functions simultaneously: it adjusts lie angle, shaft offset, and toe hang parameters through a integrated mechanism. This multi-functionality reduces the need for separate adjustment systems for each parameter, managing overall device complexity while enabling comprehensive customization.
Solution Approach 2:
The system enables adjustment of multiple critical parameters including lie angle, shaft offset, and toe hang through the hosel insert mechanism. By consolidating these parameter adjustments into a coordinated system rather than separate mechanisms, the design achieves high customization capability without proportionally increasing complexity.
3Adaptability or versatility
If multiple hosel types are offered, then golfer fit options increase, but inventory complexity and manufacturing variety increase
Solution Approach 1:
Instead of manufacturing multiple distinct hosel types, the invention uses a universal adjustable hosel insert system that can configure multiple hosel characteristics through adjustment mechanisms. This approach provides diverse golfer fit options while maintaining a standardized base hosel design, thereby reducing manufacturing variety and inventory complexity.
Solution Approach 2:
The solution transitions from offering multiple static hosel types to providing a single dynamic hosel system with adjustable parameters. Golfers can achieve different fit configurations through adjustment of the hosel insert, lie angle adapter, and shaft offset settings, eliminating the need to manufacture and inventory multiple fixed hosel variants.
Data Source
AI summary
A device, kit and method providing an adjustable hosel insert for a golf club capable of rotational adjustments that modify the shaft offset and toe hang characteristics of the golf club.


