Golf Shoe Outsole Segmentation for Stability and Flexibility
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Solution Overview
Problem
Golf shoes with stiff soles compromise flexibility and balance due to restricted foot movement, particularly in torsional and longitudinal directions, leading to discomfort and potential blisters, as they fail to adequately support natural foot rotation and ground contact during golf swings.
Innovation Solution
A golf shoe outsole design featuring a flexible forward section and hard heel section with flared pod sections, each with multiple cleats, providing enhanced flexibility, traction, and stability by allowing natural foot rotation and improved ground contact, with pod sections flared up to 52° and made from hard thermoplastic polyurethane for increased wear resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a stiff sole is used to provide a stable platform, then lateral stability is improved, but flexibility and comfort deteriorate due to restricted foot movement
Solution Approach 1:
The outsole is divided into multiple independent pod sections (typically 5-9 pods) that are spaced apart from each other. Each pod can move independently, allowing the sole to segment and adapt to foot movement while maintaining overall structural integrity and lateral stability during the golf swing.
Solution Approach 2:
The pod sections are designed to be dynamic rather than static, allowing them to move, flex, and adjust during the golf swing. This dynamic design enables the sole to transition from a rigid stable platform to a flexible adaptive structure that accommodates natural foot movement throughout the swing motion.
2Stability of the object's composition
If a stiff sole is used to maintain stability, then platform stability is improved, but comfort deteriorates due to heel sliding and blisters
Solution Approach 1:
By segmenting the sole into multiple independent pods rather than a continuous stiff structure, the design allows localized movement at each pod while maintaining overall platform stability. This prevents the heel from sliding across a rigid surface and reduces friction that causes blisters.
Solution Approach 2:
The pod sections are designed with specific dimensional parameters including flare angles of 30-60 degrees from the vertical axis, pod spacing of 0.5-2 inches apart, and heights of 0.25-1 inch. These parameter variations allow the pods to provide stability while accommodating natural foot movement and preventing harmful sliding effects.
3Strength
If a stiff sole is used to provide support, then structural support is improved, but natural foot rotation and ground contact are restricted
Solution Approach 1:
The segmentation into multiple independent pods provides structural support through their collective arrangement while allowing each individual pod to move naturally with foot rotation. The spaced configuration enables the structure to support the foot while adapting to natural movement patterns during the golf swing.
Solution Approach 2:
The pods are positioned at different locations across the sole surface and extend vertically with flare angles, creating a three-dimensional structure. This dimensional arrangement allows the sole to provide support in the vertical dimension while permitting rotational and lateral movement in horizontal dimensions, accommodating multi-directional foot movement.
4Force
If traditional cleat designs are used, then traction is provided, but flexibility and balance are compromised
Solution Approach 1:
Instead of a single continuous cleat structure, the design uses multiple discrete pods with cleats distributed across the sole. This segmentation allows each pod to move independently, maintaining traction through the cleats while permitting flexibility and balance adjustments through the movement of individual pods during the swing.
Solution Approach 2:
The pod and cleat assembly is designed to be dynamic, allowing the cleats to adjust their position and orientation as the pods move during the golf swing. This dynamic adaptation maintains optimal traction throughout the swing motion while preserving the flexibility and balance needed for proper swing mechanics.
Data Source
AI summary
The golf shoe outsole of the invention has a generally flexible forward section and a generally hard heel section, each section having a plurality of pod sections molded thereupon, each pod section having at least one cleat attached thereto. and an outer edge or perimeter that is flared quite significantly to provide a greater degree of flexibility and traction with turf, and therefore greater stability and balance to the user.