Variable Groove Golf Putter Face for Ball Speed Consistency
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Solution Overview
Problem
Conventional golf club heads lack effective grooves that can consistently clear debris and provide optimal ball striking properties across various locations on the club face, leading to inconsistent ball speed and roll-out distances.
Innovation Solution
The design features a putter head with a ball striking face that includes multiple grooves extending from the toe end to the heel end, with varying depths, widths, and cross-sectional profiles that progressively change from the top rail to the sole, creating a central strike zone resembling a golf ball's shape, which aids in lining up the ball and enhances ball striking properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional grooves are used on golf club heads, then debris clearing function is provided, but ball speed consistency across various locations on the club face deteriorates
Solution Approach 1:
The patent applies local quality by varying groove characteristics (depth, width, spacing, cross-sectional shape) at different locations on the club face. Specifically, grooves in the center portion have different dimensions than grooves in peripheral portions, allowing each region to be optimized for its specific function while maintaining overall ball speed consistency across all hit locations.
2Reliability
If grooves with uniform dimensions are used, then manufacturing simplicity is maintained, but ball striking properties and debris clearing effectiveness deteriorate
Solution Approach 1:
The patent implements local quality through non-uniform groove configurations where depth, width, and spacing vary by location. The center portion features grooves with specific dimensions optimized for ball striking, while peripheral portions have different dimensions suited for debris clearing and edge hits, thereby enhancing overall ball striking properties without requiring completely complex variable geometry throughout.
3Object-affected harmful factors
If deeper grooves are used, then debris clearing capability is improved, but ball speed consistency deteriorates
Solution Approach 1:
The patent applies local quality by positioning deeper grooves in the center portion of the club face where optimal debris clearing is needed for ball striking, while using shallower grooves in peripheral portions to maintain ball speed consistency on edge hits. This location-specific depth variation allows deep grooves to clear debris effectively without compromising overall ball speed consistency across all impact locations.
Data Source
AI summary
A golf club head including a club face defined by a toe end, a heel end, a top rail and a sole. The golf club head including a plurality of grooves disposed on the club face between the top rail and the sole. Each groove extends between the toe end and the heel end. Widths of the grooves vary in a direction extending between the heel end and the toe end.